Canon Camera Accessories Extender User's Manual
Contents
1. Focal Length amp Maximum Aperture Lens EF1 4X Ill EF2X III EF135mm f 2L USM 189mm 2 8 270mm f 4 EF180mm f 3 5L Macro USM 252mm f 4 5 360mm f 6 7 EF200mm f 2 8L USM 280mm f 4 400mm t 5 6 EF200mm f 2 8L II USM 280mm f 4 400mm 5 6 200mm f 1 8L USM 280mm 2 5 400mm 3 5 200mm f 2L IS USM 280mm f 2 8 400mm f 4 300mm f 4L USM 420mm 5 6 600mm 8 300mm f 4L IS USM 420mm 5 6 600mm 8 8L USM 420mm f 4 600mm 5 6 8L IS USM 420mm f 4 600mm 5 6 L USM 560mm f 8 800mm f 11 O IS USM 560mm f 5 6 800mm 8 3 8L USM 560mm f 4 800mm f 5 6 EF400mm f 2 8L Il USM 560mm 4 800mm 5 6 EF400mm f 2 8L IS USM 560mm 4 800mm 5 6 EF500mm f 4 5L USM 700mm f 6 7 1000mm 9 5 EF500mm f 4L IS USM 700mm f 5 6 1000mm 8 EF600mm f 4L USM X 840mm f 5 6 1200mm f 8 EF600mm f 4L IS USM 840mm f 5 6 1200mm f 8 EF800mm f 5 6L IS USM 1120mm f 8 1600mm f 11 100 400mm f 4 5 5 6L IS USM 140 560mm f 6 7 8 200 800mm f 9 5 11 EF70 200mm f 4L USM 98 280mm f 5 6 140 400mm 8 EF70 200mm f 4L IS USM 98 280mm 5 6 140 400mm 8 70 200mm f 2 8L USM 98 280mm 4 140 400mm 1 5 6 70 200mm f 2 8L IS USM 98 280mm 4 140 400mm 5 6 70 200mm 2 8L IS II USM 98 280mm 4 140 400mm 5 6 EF300mm f 2 8L IS II USM 420mm f 4 600mm f 5 6 EF400mm f 2 8L IS II USM 560mm 4 800mm f 5 6 EF500mm f 4L IS Il USM 700mm 5 6 1000mm 8 EF600mm f 4L IS Il USM 840mm f 5 6 1202. 0mm 1 8 EF1200mm 5 6L USM X 1680mm f 8 2400mm f 11 X Using an Extender with this lens may result in incorrect autofocus If your camera has an AF microadjustment function do the AF microadjustment If your camera does not have an AF microadjustment function focus manually if the AF precision is way off For details on AF microadjustments see the camera s instruction manual Refer to the camera and lens instruction booklets to see if there are any AF compatibility limitations The maximum aperture is indicated in half stop increments Maximum Aperture with the Extender When Extender EF1 4X III is attached the lens maximum aperture will be smaller darker by 1 stop With Extender EF2X III the maximum aperture will be smaller by 2 stops In any case the camera will compensate the exposure automatically Caution Do not attach two or more Extenders on the same camera Doing so will degrade the optical performance and the camera will not be able to obtain proper exposure readings To enhance water and dust resistance the Extender EF1 4X Ill and EF2X Ill have a rubber ring around the mount As the lens is repeatedly mounted and detached the rubber ring will leave fine abrasion marks on the outside of the camera mount This will not affect operation The rubber ring can be replaced by a Canon service center a fee will be charged Autofocusing slows down when the lens is used with an extender in order to maintai
3. CT1 8569 000 Canon HI Extender EF1 4X IIl EF2X Ill Lens mount index on lens Lens mount index on camera Lens release lever Contacts Rubber ring Thank you for purchasing a Canon product The high performance Canon Extender EF1 4X III and Extender EF2xX Ill increase the focal length of the attached EF lens by 1 4X and 2X respectively A Safety Precautions Do not look at the sun or a bright light source through the lens with the extender attached or with a camera with the extender and lens attached Doing so could result in visual impairment In particular never look at the sun directly through the lens with the extender attached because that could result in loss of vision Do not leave the lens with the extender attached or a camera with the extender and lens attached in the sun without the lens cap on That may result in concentrating the sun s rays causing a fire Do not leave the extender in excessive heat such as in a car in direct sunlight High temperatures can cause the extender to malfunction This device complies with Part 15 of the FCC Rules Operation is subject to the following two conditions 1 This device may not cause harmful interference and 2 this device must accept any interference received including interference that may cause undesired operation Do not make any changes or modifications to the equipment unless otherwise specified in the instructions If such changes or modifi
4. cations should be made you could be required to stop operation of the equipment This equipment has been tested and found to comply with the limits for a class B digital device pursuant to part 15 of the FCC Rules These limits are designed to provide reasonable protection against harmful interference in a residential installation This equipment generates uses and can radiate radio frequency energy and if not installed and used in accordance with the instructions may cause harmful interference to radio communications However there is no guarantee that interference will not occur in a particular installation If this equipment does cause harmful interference to radio or television reception which can be determined by turning the equipment off and on the user is encouraged to try to correct the interference by one or more of the following measures Reorient or relocate the receiving antenna Increase the separation between the equipment and receiver Consult the dealer or an experienced radio TV technician for help This Class B digital apparatus complies with Canadian ICES 003 Mounting and dismounting the Extender First attach the Extender to the lens then attach it to the camera To detach it follow the same procedure in reverse To detach the Extender from the lens slide the lens release lever as shown by the arrow then turn the Extender counterclockwise Usable lenses
5. n the precision of autofocus control e The Extenders cannot be used with film cameras other than the EOS 1V Using an Extender with a film camera other than the EOS 1V may cause misoperation Major Specifications Mount Canon EF mount Electronically controlled Lens construction EF1 4X Ill 7 elements in 3 groups EF2X Ill 9 elements in 5 groups Dimensions Max dia x length EF1 4X Ill 72 0 dia x 27 2 mm 2 8 x 1 1 inch EF2X Ill 72 0 dia x 52 7 mm 2 8 x 2 1 inch Weight EF1 4X Ill approx 225 g 7 9 oz EF2X Ill approx 325 g 11 5 oz Case EF1 4X III EF2X Ill LP811 All specifications are based on Canon s tests and measurements Product specifications and appearance are subject to change without notice CANON INC 2010
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