Checking depth-of-field – Canon T 90 User Manual

Page 128

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It your eye will not be at the viewfinder the moment

you press the shutter button, close the eyepiece
shutter by pushing the eyepiece shutter lever, to
avoid stray light from entering.

When using the stopped-down metering with an FD

lens attached directly to the camera body, use an

aperture of f/2 8 or smaller.

When you check the depth-of-field with the FD

lens, stop down the aperture by pushing in the

stop-down lever as mentioned above. When you

look

through

the

viewfinder

with

the

lever

pushed in, you can see the range of sharpness,

i.e. the depth-of-field.