The Lens - Canon EOS REBEL T7I Basic Instruction Manual

Zooming
Detaching the Lens
Do not look at the sun directly through any lens. Doing so may cause loss of
vision.
Attaching and Detaching a Lens
Turn the zoom ring on the lens
with your fingers.
If you want to zoom, do it before

focusing. Turning the zoom ring after
achieving focus may throw off the
focus.
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.
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