Canon EOS 90D, Advanced User'S Manual

Page: 55 / 646

55
Attaching and Detaching a Lens
Detaching the Lens
While pressing the lens release
button, turn the lens as shown by
the arrow.

Turn the lens until it stops, then detach
it.

Attach the rear lens cap to the detached
lens.
o
Do not look at the sun directly through any lens. Doing so may cause loss of
vision.
o
When attaching or detaching a lens, set the camera’s power switch to <
2
>.
o
If the front part (focusing ring) of the lens rotates during autofocusing, do not
touch the rotating part.
o
For instructions on how to use the lens, refer to the Lens Instruction Manual
(
=
4).
Shooting angle of view
Because the image area
is smaller than 35mm fi lm
format, the eff ective angle
of view corresponds to
approx. 1.6 times the lens’s
indicated focal length.
Image area (approx.)
(22.3×14.8 mm / 0.88 x 0.58 in.)
35mm fi lm format
(36×24 mm / 1.42 x 0.94 in.)
Tips for Avoiding Smudges and Dust
o
When changing lenses, do it quickly in a place with minimal dust.
o
When storing the camera without a lens attached, be sure to attach the body cap
to the camera.
o
Remove dust on the body cap before attaching it.