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Manual Canon EF 400mm f/2.8L IS III USM Camera Lens

Need a manual for your Canon EF 400mm f/2.8L IS III USM Camera Lens? Below you can view and download the PDF manual for free in English. This product currently has 1 frequently asked question, 0 comments and has 0 votes. If this is not the manual you want, please contact us.

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Manual

ENG-2

Safety Precautions

Warning Details pertaining to risks that may

result in death or serious injury.

 Do not look directly at the sun or other strong

light sources through a lens or a single-lens reflex

camera with a lens attached. This may result in loss

of sight.

 Do not leave a lens in the sun without the lens cap

attached. The lens may concentrate entering sunlight

and cause a malfunction or ﬁre.

 Do not point a lens at the sun. Even when the

sun does not appear on the screen, the lens may

concentrate entering sunlight and cause a malfunction

or ﬁre.

 Where the lens is mounted on a camera, make sure

to properly support the lens. If you hold only the

camera, the lens may fall off the camera and cause a

malfunction or injury.

 Be sure to attach the included strap to the lens

when carrying a camera around with the lens

mounted on it. Using the strap for the camera may

allow the lens to fall off the camera and cause a

malfunction or injury.

Caution Details pertaining to risks that may

result in injury.

 Do not leave the product in places exposed to

extremely high or low temperatures. The product may

cause burns or injury when touched.

 Only mount the product on a tripod that is

sufficiently sturdy.

Caution Details pertaining to risks that may result in

damage to property.

 Do not leave the product in excessive heat such as in a

car in direct sunlight. High temperatures can cause the

product to malfunction.

Precautions to ensure that the camera is used

safely. Read these precautions thoroughly. Make

sure all details are observed in order to prevent

risks and injury to the user and other people.

Download manual in English (PDF, 1.01 MB)

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Specifications

Brand	Canon
Model	EF 400mm f/2.8L IS III USM
Category	Camera Lenses
File type	PDF
File size	1.01 MB

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Frequently Asked Questions about Canon EF 400mm f/2.8L IS III USM Camera Lens

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What does the "f" stand for with camera lenses? Verified

The f-ratio stands for the reciprocal of the relative aperture. This is the ratio of the system's focal length to the diameter of the entrance pupil. A higher f-ratio means a smaller entrance and thus less light coming into the lens.

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