Pentax Camera Accessories 645 User's Manual
Contents
1. Lock button 645 67 7 400mm 4 LS165mmF 4 90mmF 2 8 75mmF4 5 645 67 645 52. X Takumar lens A645 Auto Extension Tube A 645 67 67 645 A645 67 lens Adapter 645 for 67 Lens Auto Extension Tube A 645 645 body gt 67 67 645 A645 55 300mm 67 200mmF4 90mmF2 8 LS165mmnF4
3. 645 3 645 gt Changing the Outer Bayonet Mounting Lens 1 To change the 67 outer bayonet mounting lens 400mm f 4 etc slightly loosen the breech lock ring around the lens mount unti the white index faces upward 2 Align the white index On the Adapter 645 that has been attached to the 645 body with the white index on the fastener ring 3 Turn the ring clockwise to secure it while holding the camera as shown in the photo graph To remove the ring turn the ring counterclockwise until the white indexes on the ring and adapter align e The breech lock ring cannot be secured in place if the cut out portons of the ring are aligned with the bayonet part of the Adapter 645 Confir
4. 75mmF4 5 For close up photography using the 67 inter changeabie lenses the Adapter 645 and the Auto Extension Tube A 645 are used in combination This combination allows the use of a 55 300mm 67 interchangeable lens with the open aperture metering nd automatic diaphragrm of the lens The picture may be vignetted or the light fall off at corners depending on the f stop used as Shown in the table below See the table below for reference or first test shoot to see if the results are acceDtable The Pentax 200mm f 4 lens causes the picture corners siightly to be vignetted or the light to fall off First test shoot to see if the results are acceptable The Takumar 90mm f 2 8 with a leaf shutter LS 165mm f 4 lens and 75mm f 4 5 shift lens cannot be used with this Auto Extension Tube A 645 67 A645 Compatibility of 67 Lenses Auto Extension Tube A 645 Set O OK X indicates usable f stop indicates light falls off at COrnerS X indicates corners are slightly vignetted indicates there s no intermediate click stop of oon NN sama xlslololololslel 2 Herz xlslslololololslel 2 seemzs x lx
5. 5 645 645 6 67 400mmF 4 ED IF F5 6 1000mmF 8 67 90mm F2 8 LS165mmF 4 75mmF4 5 Focusing and Exposure With the Adapter 645 inserted between the 645 body and any inner bayonet 67 lens fully auto matic focusing can be done at the widest lens Opening Set the desired f stop and the camera and lens are coupled to offer the open aperture metering and automatic diaphragm operation e Be sure to set the Depth of field Preview Lever on the 67 lens to AUTO If set to MAN manual light will not be measured property When using a click stop ou
6. see s Takumar lens O 90 Printed in jaepen P163 2 1 1 OK34602944 542 CD 8 1 17 9 Oex221 3060 104 CD 6 108KG 9 035715621tK 08D u D 8 1 9 CT1C24187GK P98D b D 2 2 10 9 222261 5681 251 w 1153 8 CSK224 6091 211 GR 1 6 99 OKG91D6771 2 40 24 29 054 5563084 P461 17 1968 8 052 962 5333C 1 F920 2 68 23 0762
7. body and the Adapter 645 2 Attach the 67 lens to the Adapter 645 as shown in the photography It attaches in the Same way as the Adapter 645 3 To remove the 67 interchangeabie lens turn the lens counterciockwise while pressing the lock button indicated by the arrow S Whenever this adapter is removed from the camera body attach the Mount Cap to the adapter to protect the lever on the body mount side from being damaged 645 3 67 645 67 645 Adapter 645 for 67 Lens 67 645 Inner bayonet 67 lens 645 body 482 1 67 400mmF4 1 2 645
8. lxlsls lsemss xxlxlxlxlslelslelo mara xxlxlelslslolo mart lxlxlslslololo_ ser s xlalalslolsl 9 1 1 2300mmF4 F45 xx 1 Takumar lens 2 Can be used up to 45 645 Helicoid Extension Tube 645 67 67 645 645 67 lens Adapter 645 for 67 Lens Helicoid Extension Tube 645 645 body 67 67 For close up photography using the 67 inter changeable lens the Adapter 645 and the Helicoid 645 Extension Tube 645 are used in combinaton 55 200mm 67 This combination allows the use of 55 200mm interchangeable lenses with the stopped down aperure metering The picture may be vignetted or the light fall off at corners depending on the stop used Refer to the table for referenCe Or 3 E fir
9. 22 0501 gt PS 9 17 9 9 8 627 7905 174 9000515 20 GE 37 7 2 OH 36D421 K TSO 4mD 3 8 C92CB16868X i TO 3 264 4 3 ae 110 S88 2964 57027 03 9010 6
10. 6 67 645 645 91 14 mm 84 g 67 67 bayonet mount 45 645 mount The Adapter 645 for 67 lens is designed to mount the 67 interchangeable lenses onto the PENTAX 645 body With this adapter the automatic diaphragm 67 lens permits the open aperture metering while the manual diaphragm click stop diaphragm systems 67 lens permits the stopped down metering e When the 4OOmm or onger ultra telephoto lenses are used with this adapter the edges or corners of the picture may be vignetted or darkened depending on the f stop to be set and or the camera to Subiject distance Refer to the table on page 4 or first test Shoot to see if the resuits are acceptable when using this adapter e The LS 165mm f 4 with a leaf shutter and Takumar 90mm f 2 8 lenses cannot be used with this adapter The shift 75mm f 4 5 lens cannot be shifted if used with this adapter e The Rear Converters A645 also cannot be used with this adapter e The 67 Rear Converters and the close up accessories such as the Auto Extension Tubes or Extension Tubes cannot be used with this adapter For close up photography use the 645 close up accessories such as the
11. Auto Extension Tube A 645 or Helicoid Extension Tube 645 However using them with 67 lenses involves some operational limitation Refer to the explanations on pages 5 and 8 Size 91 max dia x 14mm D Accessory Mount cap The Adapter 645 for 67 lens will be called just the Adapter 645 in the following pages SPECIFICATIONS SUBJECT TO CHANGE WITHOUT NOTICE 1 Weight 84g ee 1 645 645 Changing the Inner Bayonet Mounting Lens 1 Algn the red indexes on the 645 body and Adapter 645 push in the Adapter 645 then turn ciockwise It will be locked in place 645 645 645 67 Slightly turn it counterclockwise to make sure that it has locked in place When the close up accessories for 645 are combined fit them between the 645
12. m that the ring has firmly secured the bayonet part then proceed to use 687 645 Adapter 645 for 67 Lens 67 Outer bayonet 67 lens 645 645 body Lc a tama raat A F F 67 AUTO MAN F 67 645 A645
13. st test shoot to see if the results are acceptable The Pentax 200mm f 4 lens causes the picture 200mmF4 slightly to be vignetted or the light to fall off at Corners First test shoot to see if the results are acceptable 90mmF2 8 e The Takumar 90mm f 2 8 lens with a leaf LS165mmF 4 75mmF4 5 OK indicates usable f stop jndicates light falls off at corners X indicates corners are skghtly vignetted indicates there s no intermediate ctick stop shutter LS 165mm f 4 lens and 75mm f 4 5 Shrft lens cannot be used with this Helicoid Extension Tube 645 67 645 Compatibility of 67 Lanses Helicoid Extension Tube 645 when fully extended aoin Lemrze A Alololololol o S191o1o1o19 o 150mmF 2 165mmF2 8 ga
14. ter bayonet mounting lens for focusing open the lens aperture fully Stop down the lens for stop down metering to obtain correct exposure according to the f stop Selected Ciose up Photography with 67 inner bayonet lenses The open aperture metering and automatic diaphragm of the lens are made possible if the Adapter 645 and the Auto Extension Tubes A645 are used in combinaton see page 5 Stop down metering is used if the Adapter 645 and Helicoid Extension Tube 645 are used in combinaton see page 6 Remarks on the table below See the table below for reference when settind the aperture of the utra telephoto lens The Pentax 400mm f 4 ED IF lens may cause jight to fall off at corners near its maximum aperture SO use f 5 6 or smaller aperture for it e The Reflex 1000mm f 8 cannot be used as it causes qreat vignetting e The 67 lenses not listed below allow the use of all apertures with the excaption of the Takumar 90mm f 2 8 jens with a leaf shutter LS 165mm f 4 lens and 75mm f 4 5 shift ens indicates the usable f stop indicates light falls off at corners x indicates that corners are slightly vignetted indicates there s no intermediate Click stOD In the case of and Xx first test shoot to see if the resuits are acceptable 645 Compatbility of Adapter and 67 Lenses OK X
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