Canon 2578A002 Camera Lens User Manual
Contents
1. Product specifications and appearance are subject to change without notice ENG 11 Canon CT1 8507 004 0812Ni CANON INC 20022. can be reverse mounted on the lens for storage Q Part of the picture may be blocked if the hood is not attached properly When attaching or detaching the hood grasp the base of the hood to turn it To prevent deformation do not grasp the rim of the hood to turn it 8 Filters soia Separately You can attach filters to the filter mounting thread on the front of the lens Q If you need a polarizing filter use the Canon Circular Polarizing Filter 67mm To adjust the polarizing filter first remove the lens hood ENG 7 9 Using the Tripod Mount sold separately Adjusting the Revolving Mount This lens can be used with the A II W tripod mount ring sold separately You can loosen the orientation lock knob on the tripod mount to allow it to rotate as needed to fit a particular camera model for switching between vertical and horizontal positions Detaching Use the following procedures to remove and attach the tripod mount 1 Turn the locking knob 2 With the collar open 3 To install while pulling the counterclockwise until it remove the tripod mount locking knob bring the collar becomes loose about 3 to the original position and turns and pull the knob in tighten the locking knob the direction of the arrow to securely release the collar Fl The tripod collar can be attached to or detached from the lens while the lens is attached to the camera ENG 8 10 Extenders sola Separ
3. Canon EF LENS EF70 200mm f 4L USM Instruction 7 ASULTRASONIC Thank you for purchasing a Canon product The Canon EF70 200mm f 4L USM lens is a compact high performance telephoto zoom lens for Canon EOS cameras e USM stands for Ultrasonic Motor Conventions used in this instruction Q Warning to prevent lens or camera malfunction or damage Supplementary notes on using the lens and taking pictures Features 1 2 With fluorite and UD lens elements outstanding image delineation is obtained Ultrasonic motor USM for quick and quiet autofocusing Manual focusing is available after the subject comes into focus in autofocus mode ONE SHOT AF The lens is compatible with Extender EF1 4X II and EF2X Il ENG 1 Safety Precautions A Safety Precautions Do not look at the sun or a bright light source through the lens or camera Doing so could result in loss of vision Looking at the sun directly through the lens is especially hazardous Do not point the lens or camera at the sun or photograph it This is because the lens concentrates the sun s rays even when the sun is outside the image area or when shooting with backlight which could cause malfunction or fire Whether it is attached to the camera or not do not leave the lens under the sun without the lens cap attached This is to prevent the lens from concentrating the sun s rays which could cause a fire Han
4. ately With Extender EF1 4X Il or EF2X Il attached the lens specifications will change as follows Item With EF1 4X II Extender With EF2X II Extender Focal length mm 98 280 140 400 Aperture f 5 6 45 f 8 64 Diagonal 25 20 8 50 16 20 6 10 Angle of view Vertical 13 50 4 55 9 10 3 30 Horizontal 20 50 7 20 13 40 510 Maximum magnification x 0 31 0 45 Q First attach the Extender to the lens then attach the lens to the camera Detach it from the camera in the reverse order If you attach the lens to the camera first misoperation may occur With Extender EF2X Il attached to the lens only manual focus is possible However with the EOS 1Ds Mark III EOS 1Ds Mark II EOS 1Ds EOS 1D Mark Ill EOS 1D Mark II N EOS 1D Mark Il EOS 1D EOS 1V HS EOS 3 camera autofocusing with the center focusing point is possible Only one Extender can be attached to the lens and camera If you use an Extender on the lens mounted on a EOS A2 A2E 5 set the exposure compensation to 1 2 stop for the EF1 4X Il or 1 stop for the EF2X II El Autofocusing is still enabled with Extender EF1 4X II attached When an Extender is attached the AF speed will become slower by design to retain proper AF control ENG 9 11 Extension Tubes soi Separately You can attach Extension Tube EF 12 Il or EF25 Il for magnified shots The shooting dis
5. dling Cautions If the lens is taken from a cold environment into a warm one condensation may develop on the lens surface and internal parts To prevent condensation in this case first put the lens into an airtight plastic bag before taking it from a cold to warm environment Then take out the lens after it has warmed gradually Do the same when taking the lens from a warm environment into a cold one Do not leave the lens in excessive heat such as in a car in direct sunlight High temperatures can cause the lens 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 modifications 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 c
6. not operate properly If the contacts get soiled or have fingerprints on them clean them with a soft cloth If you remove the lens cover it with the dust cap To attach it properly align the lens mount index and the index of the dust cap as shown in the diagram and turn clockwise To remove it reverse the order 2 Setting the Focus Mode To shoot in autofocus AF mode set the focus mode switch to AF To use only manual focusing MF set the focus mode switch to MF and focus by turning the focusing ring The focusing ring always works regardless of the focus mode F After autofocusing in ONE SHOT AF mode focus manually by pressing the shutter button halfway and turning the focusing ring Full time manual focus ENG 4 3 Switching the Focusing 4 Zooming Distance Range C 4 4 C C C SS C C Cl You can set the focusing distance range to To zoom turn the zoom ring 1 2 m 3 9 ft to infinity or 3 m 9 8 ft to infinity By setting the suitable focusing distance range the Be sure to finish zooming before focusing actual autofocusing time can be shorter Changing the zoom ring after focusing can affect the focus Q If the current focusing distance is not within the focusing distance range you switch to the lens focusing may first stop at the start or end of the focusing range This is normal and not a malfunction Just press the shutter button halfway again to res
7. ommunications 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 ENG 2 Nomenclature Hood mount 7 Focus mode switch 4 Distance scale 6 Zoom ring 5 Filter mounting Tripod mounting location 8 thread 7 ll Contacts 4 ey Focusing distance range Focusing ring 4 selection switch 5 Lens mount index 4 For detailed information reference page numbers are provided in parentheses ENG 3 1 Mounting and Detaching the Lens See your camera s instructions for instructions on mounting and detaching the lens Or After detaching the lens place the lens with the rear end up to prevent the lens surface and electrical contacts from getting scratched If the contacts get soiled scratched or have fingerprints on them corrosion or faulty connections can result The camera and lens may
8. tance and magnification are shown below Camera to Subject Distance mm Magnification focusing Near Far Near Far EF12 II 70mm 554 639 0 23x 0 17x 200mm 1015 3572 0 29x 0 06x 70mm 423 428 0 39x 0 35x Ekel 200mm 901 1942 0 36x 0 13x Fl Manual focusing is recommended for accurate ENG 10 Specifications Focal Length amp Max Aperture 70 200 mm f 4 Lens Construction 13 groups 16 elements Min Aperture f 32 Angle of View Diagonal 34 12 Vertical 19 30 7 Horizontal 29 10 Min Focusing Distance 1 2 m 3 9 ft Max Magnification amp Field of view 0 21x at 200 mm 300 x 450 mm 114 x 171 mm 11 7 x 17 6 inch 4 46 x 6 7 inch at 1 2 m Filter Diameter 67 mm Max Diameter amp Length 76 x 172mm 3 0 x 6 8 inch Weight 705 g 24 0z Lens Hood ET 74 Lens Cap E 67U E 67 Il Case LP1224 Tripod Collar Sold separately Ring type tripod mounting socket A II W The lens length is measured from the mount surface to the front end of the lens Add 21 5 mm to include the E 67U lens cap and dust cap and 24 2 mm for the E 67 Il The size and weight listed are for the lens only except as indicated e There is no size available among 250D 500D close up lenses e Aperture settings are specified on the camera All data listed is measured according to Canon standards
9. ume normal autofocusing ENG 5 5 Infinity Compensation Mark 6 Infrared Index Infinity compensation mark SHED JA D Distance index To compensate for shifting of the infinity focus The infrared index corrects the focus setting point that results from changes in temperature when using monochrome infrared film Focus on The infinity position at normal temperature is the the subject manually then adjust the distance point at which the vertical line of the L mark is setting by moving the focusing ring to the aligned with the distance indicator on the corresponding infrared index mark distance scale Q Some EOS cameras cannot use infrared film See For accurate manual focusing on subjects at the instructions for your EOS camera infinity distance look through the viewfinder while rotating the focusing ring Fl The infrared index position is based on a wavelength of 800 nm The compensation amount differs depending on the focal length Use the indicated focal length as a guide when setting the compensation amount Be sure to observe the manufacturer s instructions when using infrared film Use a red filter when you take the picture ENG 6 7 Hood The ET 74 hood can keep unwanted light out of the lens and also protects the front of the lens from rain snow and dust Attach and align the hood to the hood mount on the front of the lens and turn the hood as shown by the arrow to secure it The hood
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