B+W 30.5E INFRARED (092)
Contents
1. 29 only oversized filters M 67 0 75 ee 0000 WIDE ANGLE FILTERS SLIM and oversized wide angle filters Explanation of symbols Q Special mount for macro lens see previous table Q Standard mounts F Pro see previous table Q SLIM wide angle mount LO LO LO LO LO LO LO LO d ge aa rie Cd Oversized wide angle mount ojo ojo a Q Single coating MRC multi coating E E a amp Single multi coating available le Sh oe tes EE Uncoated and MRC multi coating available 212 2 2 gt 2 2 2 2122 Protection Filter 007 Clear e e o 00 0 o 00 0 Protection Filter UV 010 0000000000006 0000 O O O6 O O6 Skylight Filter KR 1 5 Gray Filter 101 102 Gray Filter 103 Gray Filter 106 110 Polarizing Filter linear Kasemann Polarizing Filter circular Polarizing Filter Warmtone Polarizing Filter linear circular Redhancer 491 Conversion Filter KB 1 5 KB 20 Conversion Filter KB 15 80 A Conversion Filter KR 1 5 Skylight KR 12 Conversion Filter 81 A similar KR 1 5 81 B similar KR 4 Color Correction Filters CC Filter F Day 4992. S ues B W Front Lens Snap Cap 310 Hard plastic cap with two spring loaded plastic claws opposite each other that engage the front thread of the lens or filter Simple re moval by pressing the two buttons together means fast and uncom plicated one hand operation Available in the following thread sizes 46 E 48 E 49 E 52 E 55 E o8 E 62E 72 E and 7 ZE B W Slip On Front Lens Cap 300 Protective cap made of flexible plastic material that slips over the outer front rim of the lens or filter It remains in place by means of friction of the slip proof plastic material Very simple to handle This lens cap can also be used on an attached slim filter that has no front thread Available for lens or filter front rim diameters 27 30 32 37 42 51 549577 60 and 70 mimi B W Slim Front Lens Cap 305 E This cap corresponds in all its features to the 300 except for thick B ness The Slim 305 is made of flexible plastic and tailored specifically to the flat Slim filter mounts This flat lens cap is advantageous when the front rim of the Lens is slightly Larger than the Slim filter so that a normal lens cap could not be slipped on completely Available for the following Slim filter mounts 49 E 52 E 55 E 58 E 60 E 62 E 67 E 72 E 77 E and 82 E or for the corresponding outer filter diameters 52 55 58 61 62 65 70 75 80 and 85 mm B W Rear Lens Caps
3. B W Adapter Rings If photo equipment is to include lenses with different filter thread di ameters the B W adapter rings can adapt filters and supplementary lenses to different lens diameters This is less expensive than buying several lenses with the same filter type money that would be better invested in a larger selection of filters When buying filters check the largest diameter required In principle small filters can be adapted to lenses with larger diameters B W also provides a selection of adapter rings but there may be a risk of vignetting When there are three different diameters to cater for at the same time adapter rings can also be combined if necessary However increased thickness due to several mounts can also result in vignetting B W offers a wide range of adapter rings for lens diameters or bayonets from 28 toque rm B W Photo Clear Micro Fiber Cleansing Cloth There is no better cleansing and care cloth for sensitive optical equipment The B W Photo Clear is made from a high tech micro fiber which is free of chemicals and lint and cleans gently but thoroughly It can be washed in an environmentally safe manner and used again and again without losing any of its properties an accessory of frequently underestimated importance for imaging performance Available in approx 36x26 cm and 17x17 cm sizes each with a protective plastic envelope B W Photo Cleaner Cleansing Spray Persistent marks on highly sensi
4. CNC controlled diamond grinders rounds rectangular glass to form filter discs Filter assembly is performed carefully using torque controlled equipment B W quality A brand that keeps its promise Behind the globally recognized B W filter quality is a continuous process of optimization and quality control which already begins with the raw glass blocks For the production of the high precision B W filters Schott colored glass is used almost exclusively because Schott guarantees the very highest glass quality In Bad Kreuznach computer controlled grinding and polishing machines produce the highest filter quality from this raw material in an impressive range of designs and diameters Special production processes remain the domain of the optimizing handcraft of experienced specialists Strict quality checks in all key production steps ensure seamless production standards B W quality does not come about by coincidence but is clearly defined to manufacture exactly plane parallel filter discs without arching or wedge errors deviating thickness which could lead to partial image blurring The filter glass must be completely smooth because roughness results In scattered light and an unwanted soft focus effect B W filter glass meets the highest requirements of camera and lens manufacturers and guaran tees optimum imaging quality B W is the first filter manufacturer in the world to offer MRC Multi Resist ant Coating This multi
5. m 1 QU gm An 3 adi T a g oe GASES amu Qum am c e tm n Without gray graduation filter Not enough drama in the sky With Redhancer Fresh vibrant red orange Gray graduated filters are colorless and compensate excessive contrasts between the sky and the landscape Clouds gain definition sky blue acquires depth The filters can be rotated in the mount in order to adapt the gradua tion to the horizon If exposure metering is done through the filter a minus correction of approx 0 5 is advisable This special filter intensifies the reproduction of orange red and brownish color components without completely blocking bluish components The B W Redhancer does not achieve its special transmission through coloring but through the chemical composition of the glass Besides landscape and na ture motifs the filter effect is also suitable for advertising photography The shot appears particularly natural if reddish areas predominate and there is no pure white in the image 20 Normal color shot without IR filter Color shot with IR filter 093 with B W conversion TEE 0 i N E vite These two special filters perform contrasting tasks The UV IR Blocking Filter 486 blocks unwanted ultraviolet and infrared light components that can produce ghost images and sharpness reducing interference The images gain sharpness detail and fine
6. un E E Q Single and MRC multi coating available N mm 2 B gt Uncoated and MRC multi coating available gt gt gt gt gt 2 gt BL BEN gt Protection Filter 007 Clear eo 00900 eo O e Protection Filter UV 010 eeoooooo00000000000000 Skylight Filter KR 1 5 Gray Filter 101 102 Gray Filter 103 Gray Filter 106 110 O O K semann Polarizing Filter linear Kasemann Polarizing Filter circular Circular Polarizing Filter Linear Polarizing Filter Top Pol Warmtone Polarizing Filter linear circular Redhancer 491 Conversion Filters KB 1 5 KB 20 Conversion Filter KB 15 80 A Conversion Filter KR 1 5 Skylight KR 12 Conversion Filter 81A similar KR 1 5 81B similar KR 4 Color Correction Filters CC Filter F Day 499 UV Black Filter 403 UV Cut Filters 415 420 Digital UV IR Blocking Filter 486 IR Cut Filter 489 Infrared Filter 092 093 099 Filters for B amp W photography 021 022 023 040 041 Filters for B amp W photography 090 091 Graduated Filter 501 502 524 543 550 560 561 581 585 590 Soft Focus Attachment Soft Pro Soft Image Zeiss Softar 1 2 Fog 1 2 Cross Screen 4 6 8 point star Close Up Lens NL 2 NL A Close Up Lens NL 5 Macro Lens zx BEE heels I BI ISO
7. UV Black Filter 403 UV Cut Filters 415 420 Digital UV IR Blocking Filter 486 IR Cut Filter 489 OQ WO0O 0 OO 06 Infrared Filter 092 093 099 Filter fur SW Filme 021 022 023 040 041 090 091 Graduated Filter 501 502 524 543 550 560 561 581 585 590 Soft Focus Attachment Soft Pro Soft Image 60 00 60 OC 66 O OO OO OO O 1 2 Cross Screen 4 6 8 point star OO OO OO OO OO OC 0 0 0 60 0 ee ee ee 60 uoo OO 9900 eee 00 00 00000 00 00 o 0000 jee e ee ee jeeeeee wo e Close Up Lens NL 1 NL 2 NL 4 NL 5 000 ee ee o cojeeeeee ee 00 uso OO OG 66 60 OU 66 O OO O e O O O e e e e Publisher Jos Schneider Optische Werke GmbH Business Unit B W Filters RingstraBe 132 D 55543 Bad Kreuznach www schneiderkreuznach com Copy Idealorial Redaktionsteam Heinz J rgen Kruppa Immenbuschweg 5 27389 Vahlde www ideatorial de Tables Walter E Schon DGPh Titles and production photos Achim K Rosch DGPh Sa
8. and excellent material and manufacturing quality make the Stand ard Filter Mount F Pro a lastingly stable rounded piece of high tech B W Digital Pro Digital photography also benefits from qual ity filters The new Digital Pro filter mount is geared specially to the design and mount diameters of digital cameras and camcord ers The silver hard chrome plating on the outside follows the pale color trends of digital cameras and forms a harmonious unit with the lenses In terms of its design this high quality mount is based on the F Pro model There are currently 13 mount sizes available between 25 5 and 52 mm If required the range will be extended B W Slim Wide Angle Filter Mount The trend towards ultra compact design in zoom lenses does not always leave enough room for a normal filter thickness With extreme angles of view and very short focal lengths marginal rays obliquely incident at the image corners can be shadowed To avoid such vignetting B W has developed the very thin Slim Wide Angle Filter Mount without a front thread The mount is only three millimeters thick The Slim polariz ing filter is five millimeters thick due to its thicker glass In most cases shots are thus possible up to 17 mm in 35 mm format ap prox 104 angle of view without vignetting caused by the filter mount Despite their thin design the Slim mounts are also charac terized by excellent mechanical finishing Precision en
9. dust fingerprints and water with a filter Filters not only cost a fraction of the price of a lens but are also easier to clean B W protection filters can remain permanently in front of the lens as they are absolutely colorless highly transparent and extremely low reflective due to their hard MRC finish The optical information reaches the image sensor or film unin fluenced The filters have no exposure factor Protection factors play a particularly important role In digital photography Larger depth of field due to small sensors increases the influence of front lens soiling on image quality Particularly in zoom lenses with low light intensity fingerprints have the effect of reducing sharpness considerably Frequent cleaning of the front lens however can not only cause scratching but also transport dirt particles or moisture on the edge of the mount into the inside of the lens system Td UV 010 MRC Front lens protection and more brilliance UV 010 Filter protection against splashing B W Polarizing Filter For this high end polarizing filter the foil pieces are selected individually for maximum color neutrality Following cementing between high grade optical glass additional grind ing and polishing takes place This guarantees outstanding sharpness even with very bright apochromatic lenses The latest cementing tech nique ensures lasting stability even
10. film format should be the minimum The second beneficial effect of pol filters is the reduction of reflections on non metallic surfaces water shop windows lacquer Objects behind these surfaces including writing behind reflecting lacquer are made visible A fascinating way to enhance images without using photo editing Circular pol filters are recom mended for digital cameras 11 12 Gray filters creative using less light Gray filters or neutral density ND filters are used if too much light re stricts creative possibilities They reduce the light in accordance with their density They therefore allow longer exposure times or more widely opened apertures Applications are highly varied and in some cases experimental For very bright motifs in the snow or on the beach the aperture would also have to be closed despite minimum exposure time This would mean losing the option of short depth of field e g for portraits This is even more the case with fill in flash due to the slow synchronization speed Gray filters can produce wipe effects in movements if the exposure time can be extended with the required aperture A waterfall then no longer appears to be frozen but as a flowing motion Gray filters create ingenious effects in architecture or urban photography With Long exposure times of several hours people walking through the shot are blurred or not reproduced at all For physical reasons very dense filters possess a warm tone
11. increase brilliance and sharpness stopping down by about two f stops is recommended With the B W Close Up Lens NL 4 calyxes flower heads already become too large for the format B W Macro Lens With extremely high 10 diopter power this close up lens goes beyond the normal scope Its high refraction 15 ideal for the short focal length of digital photography Even at a focal length of just 50 mm you enter the true macro range with an image scale of approx 1 2 To increase depth of focus stopping down by three f stops is recommended If graduated sharpness is part of the image concept open apertures can also be used Without a close up lens the minimum focus is usually not sufficient Close up lenses reduce the minimum focus producing clear details Close up lenses reading glasses for your lenses Would you like to explore fantastic worlds in miniature Close up lenses open up new motifs in an inexpensive way Like reading glasses close up lenses move the focus range into the close up zone The effect increases with the diopter number and the focal length of the Lens For shorter focal lengths in digital photography stronger close up lenses are therefore re commended The image scale describes the effect A scale of 1 3 renders an object at a third of its original size on the film sensor Close up and macro lenses are simple aids which are suitable in particular for three dimension al objects flowers and
12. of glass and the coating are key factors for image quality What fewer of them know is that the filter mount must also meet high requirements as a link in the high tech chain The main purpose of the mount is to hold the fragile filter glass in place firmly yet without play for a Long time However the glass must not be subjected to mechanical tension because even the tiniest deformations can result in visible unsharpness Nevertheless the filter must also be able to withstand a strong grip And even after frequent use it must ensure easy and precise attachment and removal A non slip surface quality makes handling easier The mount thickness should be kept to a minimum in order to prevent vignetting at short focal lengths B W filter mounts meet these requirements to perfection As a rule they are made of brass on highly accurate CNC machines The filter glass is kept in place securely but without tension by a threaded retaining ring that is manufactured with equal accuracy Fine grooving on the front makes attachment easier Black silver hard chrome plating clearly legible labeling and usually matte black inside surface ensure lastingly stable image quality and functionality To avoid vignetting in the image corners at extreme wide angles despite the slim design B W provides various mount types that cater for the different angles of view 23
13. pictorial photography less for technical reproduc tion purposes Sufficient stopping down increases the sharpness and the depth of field A tripod may be required for longer exposure times 19 Even minimal skin bl Soft Pro filter The term soft focus attachment does not do justice to this soft filter The filter delivers sharp pictures which are softly overlaid with unsharpness Details such as eyelashes do not taper into unsharpness while skin blem ishes are gently covered up Small mini lenses are distributed randomly on a precisely plane parallel glass disc They scatter the light and overlay the sharp core image with hazy diffuse halos This opens up deep shadows while highlights themselves are hardly blurred but instead form a shim mering aura in the darker surroundings Professionals even in Hollywood films use these stable glass filters when aiming for perfect beauty shots The effect cannot be achieved with image processing software e g Gauss ian blur emishes remain recognizable without the Lip gloss as a hard reflection instead of a soft shimmer B W Soft Focus Attachment Soft Pro A special soft focus attachment with irregularly distributed micro lenses on precisely plane parallel clear glass The sharp core image 1 over laid with a soft unsharpness Ideal for dreamlike feminine portraits softly shimmering backlit blond hair dreamy landscapes and all without much loss of sharpness The B W
14. 330 to 335 Hard protective cover for the camera side rear bayonet or thread of the lens Available for lenses of Canon FD 330 Minolta MD 331 Nikon 332 Olympus OM 333 Pentax 334 and M 42 thread 335 B W Camera Body Covers 320 to 325 Hard protective covers for the bayonet or thread lens mounts on camera bodies Available for SLR cameras with the following lens mounts Canon FD 320 Minolta MD 321 Nikon 322 Olympus OM 323 Pentax 324 and for M 42 thread mounts 325 These camera body covers can also be used as front protective covers on tele convert ers provided their optical systems are sufficiently recessed in their mounts Nylon Fabric Filter Pouches These filter pouches are made of padded heavy duty and water re pellent nylon fabric with practical Velcro fasteners and a white space for labeling They provide excellent protection for the individual filters Available in three sizes ki e 111 5 11 5 cm for filter sizes up to 77 E e E214 5x 14 5 cm for filter sizes up to 105 E e E 320 0 x 20 0 cm for filter sizes larger than 105 E 25 5 and 52 mm are available If required the range will be extended B W Filter Pouch B4 B 6 The folding foam padded pouch made of flexible plastic material can hold up to six filters Snap fasteners and transparent inner compart ments ensure quick easy access and the secure positioning of the filters W
15. FILTERS FOR DIGITAL PHOTOGRAPHY En for digital and analog ED 2 GM X Dx e LAC 2 n LM E lE 4 wee CONTENTS 60 YEARS OF B W FILTERS HIGH TECH MADE IN GERMANY Page 4 7 PROTECTION FILTERS clear uv Page 8 POLARIZING FILTERS kasemann Circular Polarizing Filter Page 10 GRAY FILTERS page 12 CLOSE UP LENSES Macro Lens Page 14 EFFECT LTE RS Soft Focus Filters Page 16 Gray Graduated Filter and Redhancer Page 18 SPECIAL FILTERS Infrared Digital UV IR Blocking Filter Page 20 MOUNT TYPES page 22 ACCESSORIES Page 24 26 FILTERS LENS HOODS Table Page 28 WIDE ANGLE FILTERS Page 30 260 YEARS OF HIGH TECH RS ALSO PERFORM IMPROVING PHOTOGRAPHIC CORD CAN ONLY BE DONE WITH IMAGE Innovation and experience made in Germany B W is celebrating its 60th anniversary in 2007 Following the merger with Jos Schneider Optische Werke GmbH In 1985 the company moved into its current premises in Bad Kreuznach having previously been based in Wies baden Under the umbrella of Schneider Kreuznach a lively technology trans fer developed B W has succeeded in establishing itself as one the world s leading filter manufacturers It has for example made decisive progress in surface coating B W is the first filter manufacturer in the world to offer MRC multi resistant coating The world famous Kasemann type polarizing filter with its out
16. Soft Pro largely retains the overall contrast working almost independ ently of focal length and aperture thereby allowing control of the depth of field It poses no difficulties for autofocus systems 33339 FILTERS _ _ B W Graduated Filter Dark Gray 502 Extremely well defined clouds anda full bodied instead of milky tone in the sky this already stronger grad uated filter produces these effects It attenuates the light in the darkest zone by two f stops transparency 2596 Very high contrast landscape motifs without loss of definition be come possible The graduation zone allows some degree of tolerance but for a natural transition the horizon line should not be positioned too far from the center of the image B W Redhancer 491 _ This special filter amplifies the k dier roduction of reddish tones from inge and red to reddish brown al motifs flowers or fruit io colors as well as n jects eae Meets or hv The N effective in combination with a polarizing filter which removes the bluish gfay haze Fabulous autumnal landscapes full n of luminance lndian Summer can pm m be captured Filter sequence pol filterat the front with the Redhancer behind E J e Pr Ta m a a um m d m f m 7 ec a I ame Em os a ai n te Padi 17 E
17. al lengths there is the Oversized mount on which the filter glass protrudes far beyond the thread of the retaining ring more under Filter mounts It is the high grade mounts that finally make a B W filter a true piece of high tech that you can rely on for many years to come n umm LLLI Li Ia AL Black hard chrome plating with reflection reducing finish CNC machines turn brass rods into precision rings Creative filter technology the fascination of precise creativity Close up and macro lenses provide a simple way of exploring new motif worlds With infrared filters you make the invisible visible and create artistic fabulous images For high color contrasts that still look authentic a polarizing filter is still the best option despite the possibilities offered by photo editing programs Furthermore polarizing filters can eliminate many reflections The B W Soft Pro filters produce a professional soft focus effect And for action photography whether it is sailing or mountain biking B W protection filters shield the front elements of expensive lenses from scratches and moisture Experience the fascination of precise creativity with your digital camera thanks to high quality B W filters By the way This brochure is only part of our overall program You will find more filters and tips at www schneiderkreuznach com Brass tubes in storage the raw mater
18. color gradations Although digital cameras have similar filters in front of the image sensors there is the possibility of residual sensitivity A gap that is closed by the UV IR Blocking Filter 486 It is precisely this gap that the Infrared Filter 093 makes use of Digital cameras with sufficient IR residual sensitivity take highly typical infrared picture when the visible light is blocked The black red Infrared Filter 093 is ideal for this task The image section is selected and infrared focusing performed before attaching the filter B W Infrared Filter 093 This filter blocks visible light up to 800 mm almost completely It is dark red almost black With analog IR film or IR sensitive digital cam eras it delivers a fantastic wood effect white Leaves and a typically dark sky The exposure values vary according to the digital camera model being used and are best deter mined by experimenting They are usually in the range of a few seconds Focusing is performed first without a filter using IR focus correction B W Digital UV IR Blocking Filter 486 This filter has a steep cut off effect for unwanted ultraviolet and infrared Light In digital cameras and camcord ers without full filtering in front of the image sensor it prevents color casts and unsharpness The brilliance and sharpness of the images are increased This takes place by interference between vacuum deposited layers and n
19. gineered retaining rings which guarantee the lasting stable attachment of the high grade filter glass The unique Kasemann type polarizing filters are now also available in a Slim mount only 5 mm thick The table on page 30 shows which fil ters other than in the Standard F Pro Mount are also available in the Slim version B W Wide Angle Filters with oversized mounts For even more extreme angles of view or super wide angles with a narrow tube diameter and other special cases such as lenses with an excessively image circle the oversized mount is the ideal solution In this special design the mount and the filter glass protrude far beyond the screw in thread Even in particularly critical cases the over dimensioned filter diameter ensures that light incident at a highly oblique angle in the corners of the image is not impeded This means that vignetting caused by the filter is definitely ruled out In the critical cases in which these filters are used no lens hoods should attached as these could cause vignetting The B W Wide Angle Filters with oversized mount are available in many popular sizes Screenprint color for the gold B W logo on the mount Strict final inspections ensure flawless filter products Filter mounts from B W high tech attachments The quality of high grade filters is determined by various criteria Many pho tographers are aware that the plane parallelism and transmission proper ties
20. hen folded the pouch also fits into the front compartment of a photo bag for fast convenient removal B4 is suitable for 4 filters sizes up to 86 is suitable for filter sizes up to 62 E B W Plastic Filter Case B W provides various cases and soft cases for the safe dust proof storage of filters The flat handy filter cases made of hard but trans parent plastic let you see right away which filter is stored inside A shock absorbing foam insert prevents slipping and rattling The sturdy individual cases are available in three sizes with additio nally available inserts reducing the dimensions for smaller filters e Size BH for filters and special effects attachments up to 52 E with insert up to 48 E e Size D for filters up to 82 E with insert up to 62 e Size E for filters up to 105 E p FILTERS LENS HOODS Effective B W Filter products Standard filters lens hoods Explanation of symbols D D 7 O Special mount for relatively thick macro lens Standard mount F Pro DIGITAL PRO both gt G ce Q SLIM wide angle mount see next table LO LO LO LO LO LO LO ol my wo N LOO LOCO LOO LO I LOB LO LOO LOO LCD Oversized wide angle mount see next table 25 Baa BED lt Peg colo Q Single coating MRC multi coating te E E E e E
21. ial for mounts PRECISION ENGINEERED MOUN THE STABLE BRASS MOUNTS ARE MADE ON HIGH PRECISION CNC MACHINES KNURLING ON THE NON SLIP HANDLING WHEN ATTACHING ANBIREMOVING STRICT QUALITY CONTROLS GUARANTEE EXACT ADHERENCE TO THE TARGET VALUES B W Protection Filter 007 Clear This filter fulfils the desire of many photographers for pure lens protec tion without a filter effect Its only function is to keep dirt sand or splashes away from the front lens The extremely clear special glass with high transmission is MRC finished The hydrophobic coating reduces the adhesion of particles and water drops The advantages are easy cleaning and maximum reflec tion reduction Also available with Slim mount for super wide angle lenses B W Protection Filter UV 010 The classic among the protection filters blocks the unwanted UV component contained in daylight The invisible UV light occurs more in pure sea air and in the mountains and can lead to blur and blue cast The colorless UV filters are suitable for both analog and digital cameras and ensure more brilliant pictures The can remain permanently on the lens to protect it from dirt and damage A high grade MRC finish provides optimum reflection reduction Active photography demands a great deal of cameras and lenses It there fore makes sense to protect the sensitive front element of the lens against flying sand
22. in damp climates Available as linear and circular polar izing filters Some circular filters come with MRC B W Circular Polarizing Filter The standard circular polarizing filter is equally suitable for both analog and digital cameras Linear polarization can falsify exposure or AF metering if beams are split inside the camera by mirrors or prisms Circular polarization prevents this while otherwise retaining the same effect The B W Circular Polarizing Filter is highly effective and is avail able uncoated or with a high grade MRC finish Unwanted reflections on glass right are removed by the pol filter Without pol filter Typical gray blue haze on sunny days With pol filter Pure authentic colors more brilliance Polarizing filters pure colors and non reflecting surfaces Radiant white clouds against a deep blue sky or saturated fall colors are no coincidence Polarizing filters block the bluish gray veil from the diffusely polarized light of the sky They augment the purity of true colors and increase color saturation Polarizing filters are amongst the most important filters in digital photography They can be rotated in the mount allowing the visible regulation of the elimination effect in the viewfinder or on the display The filter factor is two to three f stops The maximum effect is achieved at a shooting angle of 90 to the sun For an even effect in the picture 35 mm 28 mm in 35 mm
23. io Ole OO o60000 S8 2229253 22222 ee O OO i6600o0ooeoeeeoeo Collapsible Lens Hood 900 Collapsible Wide Angle lens Hood 920 Metal Lens Hood 950 Metal Wide Angle Lens Hood 970 Metal Lens Hood for 28mm f 2 8 PC Super Angulon lens Metal Telephoto Lens Hood 960 Snap on Lens Cap 310 cU G 38 8528853 23333 EMI op IE 88 256 2 6 0 X 87 193045 I GOXS 8Z J NYONSY O 3euofeg peyqasseH 09 1euo Keg pejqjesseH 05 pejqjesseH IA 1euoKeg 1910 191103 181103 Mild OLXCCLW GLXCLLW OLX SOLW 01 0 66 0L x098 W 940 008 GLOXOCLW 91010 GLOXOLIW CED S40 X 09 W 020 009 W CAD 5 0 X 085 W CED S40 X 066 W En 60909005 0000000000000 9308999 0000000000000 o 00 CED 5 70 X 067 0000 040 087 W i nr 00000 o 000 0 00 ooo eoo 00000 CED 6 70 X O E
24. layer coating is vapor deposited in highly advanced vacuum coating plants It is extremely low reflective and highly resistant to scratching But above all its unique dirt and water repellent surface makes cleaning the filters easier In this way filters can also perform a protective function for the front lens The continuous new development and further development of the B W filter models and the final inspection of each individual filter mean that users can achieve the best possible photographic results It is therefore important to give the same consideration to quality when buying a filter as when select ing your lenses 60 years of know how guarantee top filter quality to meet global market standards A brand promise we can be very proud of in Bad Kreuznach The important role played by the filter mount and its mechanically complex task are often underestimated Although mounts are supposed to fix the high quality filter glass in position for life they must not cause any sharp ness reducing tension in the glass B W manufactures various mount types mainly out of stable brass on CNC machines The filter glass is screwed into a high precision retaining ring applying a pre specified torque Besides the excellent F Pro standard mount which is suitable for telephoto lenses up to the most common wide angle focal lengths B W offers the very flat Slim mount for extremely wide angles This eliminates vignetting For even more extreme foc
25. mple photos Fotodesign Frank Widmann Rheingaustra e 85b 65203 Wiesbaden www frank widmann de Design Bartenbach amp Co Agentur fur Kommunikation AG amp Co KG An der Fahrt 8 55124 Mainz www bartenbach de Printing GraphicDruck GmbH M nchstra e 3 55545 Bad Kreuznach www graphic druck de 31 1009539 A Jos Schneider Optische Werke GmbH Business Unit B W Filters RingstraBe 132 D 55543 Bad Kreuznach Tel 49 671 601122 Fax 49 671 601302 filter adschneiderkreuznach com www schneiderkreuznach com 4t Schneider ww KREUZNACH
26. ot by absorption via colored glass This principle is ideal for angles of view up to 60 or smaller The filter has no exposure factor 1 bei 3 e B W Standard Filter Mount F Pro The improved Standard Filter Mount F Pro has high mechanical stability despite its shallow design It can be used on most wide angle lenses without the danger of vignetting However exact data regarding focal length and angle of view limitations are not possible because vignetting depends not only on the height of the filter mount and the angle of view but also on the tube design of the front of the lens As a guide this filter mount can be used without vignet ting on 35 mm camera lenses approx 63 diagonal angle of view In addition most wide angle lenses with 28 mm approx 75 angle of view and in many cases even with 24 mm approx 84 angle of view can be combined with the F Pro mount without the risk of vignetting The same angles of view apply to lenses in digital cameras Despite the thinner design others filters snap caps or lens hoods can be attached easily and safely to the front thread Another advantage of the new F Pro filter mount the filter glass is no longer held in place from the front but from the back by the retaining ring This prevents the retain ing ring from being accidentally loosened during the removal of an additional filter or a lens hood that has been screwed in too tightly Innovation
27. oundings such as a light table Block ing stray light can considerably improve the image quality of even the most expensively coated lenses B W provides three collapsible lens hood types for all standard filter diameters from wide angle to telephoto The B W Lens Hood 920 is designed for wide angle zoom lenses with angles of view up to 70 In the limit range of around 70 it should only be used without a filter in order avoid vignetting In its collapsed state the hood increases the lens length by less than one centimeter The B W Lens Hood 900 is tailored to standard lenses and short telephoto focal lengths Its inner ribbed surface enhances the light absorbing effect of the matte black surface In its collapsed state the rubber hood increases the length of a lens by only one centimeter up to 77 mm filter thread B W Metal Lens Hoods B W metal lens hoods convey a reassuring stable impression by their very appearance The black anodized aluminum reliably blocks stray light and the precision engineered tubes have black inner ribs for even greater absorption of unwanted light Here too three types are available for numerous filter sizes e B W Metal Lens Hood 970 suitable for wide angle zoom lenses up to 70 diagonal angle of view e B W Metal Lens Hood 950 for standard lenses and short telephoto lenses e B W Metal Lens Hood 960 with a narrower and longer tube for all telephoto lenses
28. standing quality has been produced by B W since 1989 Today Filter coating under strict clean room state of the art production equipment precise CNC machines and highly ad conditions vanced reflection reducing technology guarantee top quality which is amongst the very best to be found on the world market B W filters for better quality in digital photos Particularly in digital photography B W filters are important tools for im proving image quality A B W polarizing filter for example provides more saturated colors and high color contrasts because the bluish gray haze typical of sunny days is filtered before the image sensor generates the data record If UV or IR radiation causes haze or blur a UV IR blocking filter in front of the lens can ensure more brilliance and detail sharpness without the necessity for coarsening re sharpening in the image program Filters solve problems before they occur in the image sensor Image processing programs on the other hand cannot conjure up information which is not contained in the data record Many of the most commonly used color and contrast corrections work by removing image information destruc tive image correction Such in some cases coarse repairs leave considerable gaps in the data record which are not yet recognizable on the PC monitor but can become visible on the higher resolution print Amplitude controlled immersion baths this is how graduated filters are made
29. tive optical surfaces cannot be removed with a cloth alone The B W Photo Cleaner has been devel oped for this purpose It is a silicone saturated antistatic cleansing solution with highly effective cleansing agents which leave no un wanted residue on the glass The propellant free pump spray is simple to use non flammable and bio degradable Indispensable for photo trekking or outdoor action photography B W Lens Caps and Camera Body Covers Lens caps for the front or back as well as covers for the camera body have something mystifying in common They disappear for no appar ent reason only to reappear the next time you move house So it is good to know that you can always rely on the tried and tested B W range of caps and covers to protect front lenses filters or camera bodies from dust and mechanical damage chk B W Collapsible Lens Hoods Collapsible lens hoods are made of high grade rubber Their advan tage compared to fixed lens hoods made of plastic or metal is that in their collapsed state they protrude only a short distance This means that the lens hood can remain attached to the lens and together with the camera will also fit into a tight photo or standby bag Lens hoods are usually regarded simply as a kind of sun visor In fact stray light occurs not only by sunlight obliquely striking the lens but also due to bright ground surfaces snow beach diffuse light or in object photography bright surr
30. which can be compensated in image processing Without gray filter Frozen waterfall due to high shutter speed With gray filter Flowing motion due to low shutter speed Without gray filter Too much depth of field due to closed aperture With gray filter Open aperture creates concentrated selective sharpness B W Gray Filter 103 This quite strong gray filter reduces the light by up to three f stops equivalent to a filter factor of 8x It offers more options than weaker gray filters This is already suffi cient for successful time exposure effects and it can also be regarded as a universal gray filter in digital photography White balance with the filter ensures optimum color neutral ity Tip Remember to use a tripod for longer exposure times B W Gray Filter 106 With its light reduction by six f stops filter factor 64x this filter allows even more extreme experiments This includes time exposure effects such as light trails or walking people who become blurred or invisible A physically induced higher red transmission produces a slightly warm tone If necessary this can be eliminated by white balance or an image program B W Close Up Lens NL 4 With 4 diopters this close up lens is pretty powerful With a focal length of 50 mm it attains an image scale of approx 1 3 With 100 mm focal length this even advances to 1 1 9 i e into the true macro range To
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