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From front to back: Front lens cap; 72mm filter thread; retractable lens hood; Focusing ring; Distance scale in ft and m; f11 and f22 Depth of Field marks; IR focus adjust marks; AF/M lens mode switch; Focus range limit switch; Raised Red Dot for lens-to-camera alignment; EF Camera mount (metal); Rear lens cap.
The EF 200mm f/2.8 was introduced in 1991 as a professional grade fixed focal-length medium-telephoto lens featuring fast f/2.8 aperture, ultrasonic autofocus with full-time-manual override, and special glass elements for low optical aberration.
Prepare camera body by removing body cap or previous lens (see next section). Match the raised red dot on the lens with the red dot on the camera. Gently twist the lens clockwise until the lens locking pin clicks into place. Ensure that the lens is securely locked before using the camera.
Depress the lens release button fully. Rotate the lens counterclockwise until the raised red dot on the lens matches the rot dot on the camera. Remove the lens carefully.
Warning: Do not rest the lens on the camera mount, otherwise damage can occur to the delicate electronic contacts. When not mounted on a camera the rear lens cap should always be in place to prevent damage to the electrical contacts and the rear glass element of the lens.
Note 1: When photographing at very close range, it may be easier to focus by leaving the focusing ring set to the closest focus setting, and moving the camera back and forth until sharp focus is achieved.
Slide the lens mode switch on the lens to "M". This disengages the autofocus motor. Look through the camera viewfinder at the subject, then rotate the focusing ring on the lens until you see the viewfinder image is as sharp as possible1.
If you manually focus while holding the shutter release button half-depressed, the focus sensors in the camera may indicate in the viewfinder when sharp focus is detected in a focusing zone.
The distance scale indicates how far the plane of sharp focus is located from the film plane. The distance is read opposite the | white line in feet (green) and in meters (white).
The depth-of-field marks are used together with the distance scale
to indicate the approximate near and far distances for sharp focus at the
specified apertures (f/32).
When using infrared (IR) sensitive film, a focus adjustment is necessary.
After achieving sharp focus though the viewfinder, switch the lens to
manual focus. Using the distance scale, adjust focus so that the distance
indicated by the | white line is moved opposite the small red IR adjust
dot.
Note 2: On some camera bodies a custom function allows autofocus activation to be shifted from the shutter release to the AE-Lock button on the rear of the camera.
Note 3: Autofocus accuracy can be enhanced by using the autofocus assist beam on some camera bodies and on some flash units.
Choose a focus range (1.5-∞) or (3.5m-∞) as appropriate for your subject.
Slide the lens mode switch on the lens to "AF" in order to engages the autofocus gears. Look through the camera viewfinder and position a focusing zone over the subject. Hold the shutter release button half-depressed to activate autofocus2. When sharp focus is detected, the camera will indicate in the viewfinder with a light, and may also beep softly.
If the autofocus sensors cannot detect sufficient detail, the viewfinder focus indicator will blink, indicating out-of-focus3 When autofocus fails, switch to manual focus instead.
FTM is a special feature that allows convenient manual focus adjustments before or after autofocus, without having to disengage the AF motor.
The ultrasonic focussing mechanism of this lens offers mechanical full-time manual (FTM)
This feature is commonly used in conjunction with a custom function on the camera body (CF4) which shifts the autofocus activation from the shutter release to the AE-Lock button on the rear of the camera.
All Canon EF lenses have an electronic diaphragm, which means that the lens aperture is controlled electronically from the EOS camera body, rather than by the traditional aperture ring. For instructions on changing the aperture setting of any Canon EF (or EF compatible) lens, please refer to the operating instructions for the camera body.
A 1.4× tele-converter reduces effective aperture by one stop. A 2× tele-converter reduces effective aperture by two stops.
This lens is fully compatible with the Canon EF 1.4× and with the EF 2× Tele-extenders. Third Party teleconverters designed for Canon Autofocus mount can also be used successfully.
Light metering through the lens using the camera's built-in meter will continue to work correctly. Exposure compensation is only required when using an external meter.
The Canon tele-extenders feature extra electrical contacts on the lens side which result in the camera detecting the effective aperture and focal length. Because of the extra information, autofocus motor speed is reduced proportionally for better accuracy at the increased magnification. In addition, the slow-shutter speed warning will work correctly.
Compatible with Canon EF-12 and EF-25 extension tubes. Compatible with third party extension tubes with dedicated Canon AF mount, but exposure compensation may be required, depending on the camera body.
The EF-M camera does not have autofocus sensors and cannot active the autofocus motor in this lens.
You will have to manually focus this lens
All EF lenses operate in manual focus mode only. As this lens has full-time manual focusing, it is not neccessary to switch it to the "MF" position.
The Tripod Mount Ring attaches near the rear of the lens. The protruding grips on some cameras might make attachment to a tripod difficult or impossible, especially with a large quick-release plate.
One solution is to use a spacer under the tripod mount ring. A cheaper solution is to shoot with the camera upside down.
Do not rest the lens on the camera mount, otherwise damage can occur to the delicate electronic contacts. When not mounted on a camera the rear lens cap should always be in place to prevent damage to the electrical contacts and the rear glass element of the lens.
Do not disassemble the lens - there are no user serviceable parts inside.
As with all precision electrical and mechanical equipment do not expose the lens to heat, water, or corrosive chemicals.
Hi Julian
The soft case for the EF 200mm f/2.8L II USM is numbered LP1222(?)
Regards
Chris Henshaw
Chris Henshaw
27/05/2001 00:35:50
I want some information on the 200mmf/1.8L lens please
zzmveari
2/24/2005 12:30:46 PM
Thanks for the information - I didn't know that the focus sensor in my 40D was still operational when using manual focus. (Maybe I should rtfm...) Knowing this will help me achieve critical focus when using my scope for nature images.
Bruce Dickson
2008Jul27 12:00:04 -1000
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Slide the lens mode switch on the lens to "M". This disengages the autofocus motor. Look through the camera viewfinder at the subject, then rotate the focusing ring on the lens until you see the viewfinder image is as sharp as possible1.
The distance scale indicates how far the plane of sharp focus is located from the film plane. The distance is read opposite the | white line in feet (green) and in meters (white).
Slide the lens mode switch on the lens to "AF" in order to engages the autofocus gears. Look through the camera viewfinder and position a focusing zone over the subject. Hold the shutter release button half-depressed to activate autofocus2. When sharp focus is detected, the camera will indicate in the viewfinder with a light, and may also beep softly.