Mounting and Detaching a Lens

Mounting a Lens

Lens mount index

Remove the caps.

1 Remove the rear lens cap and the body cap by turning them as shown by the arrow.

Attach the lens.

2 Align the red dots on the lens and camera and turn the lens as shown by the arrow until it snaps in place.

On the lens, set the focus mode switch

3 to <AF>.

If the focus mode switch is set to < MF> (or < M> on older lenses), autofocus will not operate.

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BeforeYou Start

4 Remove the front lens cap.

Detaching the Lens

While pressing the lens release button, turn the lens as shown by the arrow.

Turn the lens until the red dot is at the top, then detach the lens.

Since the EOS 10D’s image coverage is smaller than the normal 35mm film format, the EF lens attached to the camera will have a telephoto effect equivalent to 1.6 times of the marked focal length.

AF stands for autofocus.

MF or M stands for manual focus.

Be careful not to lose the lens caps or body cap.

EOS 10D image field

(22.7 x 15.1 mm / 0.89 x 0.59 in)

35 mm image field

(36 x 24 mm / 1.42 x 0.94 in)

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Canon EOS 10D instruction manual Mounting and Detaching a Lens, Mounting a Lens, Detaching the Lens