Canon EF 70-200mm f/2.8L USM Owner's Manual

Canon Cameras Owner's Manual - EF 70-200mm f/2.8L USM.
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 Safety Precautions

1.  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.

2.  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.

 Handling 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.

1. Mounting and Detaching the Lens

See your camera’s instructions for details on mounting and 

detaching the lens.

•  After detaching the lens, place the lens with the rear end up to 

prevent the lens surface and 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 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, 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 ❹ .

To shoot in manual focus (MF) mode, set the focus mode switch to 

MF, and focus by turning the focusing ring. The focusing ring always 

works, regardless of the focus mode.

•  After autofocusing in ONE SHOT AF mode, focus manually by 

pressing the shutter button halfway and turning the focusing 

ring. (Full-time manual focus)

3. Zooming 

To zoom, turn the lens’ zoom ring ❺ .

•  Be sure to finish zooming before focusing. Changing the zoom 

ring after focusing can affect the focus.

4. Infrared Index

The infrared index corrects the focus setting when using 

monochrome infrared film. 

Focus on the subject in MF, then adjust the distance setting by 

moving the focusing ring to the corresponding infrared index mark 

.

•  The infrared index position is based on a wavelength of 800 nm.

•  Be sure to observe the manufacturer’s instructions when using 

infrared film.

•  Use a red filter also when you take the picture.

Nomenclature

 Hood mount

 Zoom ring

 Focusing ring

  Zoom position index

 Distance scale

  Focus mode switch

  Lens mount index

 Contacts

 Distance index

 Infrared index

EF Zoom Lenses

EF17-35mm f/2.8L USM
EF28-70mm f/2.8L USM

EF70-200mm f/2.8L USM

Instructions

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