Infinity Compensation Mark; Tripod Mount - Canon EF70-200mm IS II USM Instructions Manual

8. Infinity Compensation Mark

To compensate for shifting of the infinity focus
point that results from changes in temperature.
The infinity position at normal temperature
point at which the vertical line of the L mark is
aligned with the distance indicator on the
distance scale.
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For accurate manual focusing of subjects at
infinity, look through the viewfinder or look at the
magnified image* on the LCD screen while
rotating the focusing ring.
[10 15 30 ~
3 5 10
Loom
~
The infrared index corrects the focus setting when using
monochrome infrared film. Focus on the subject
is the manually, then adjust the distance setting by moving the
focusing ring to the corresponding infrared index
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Some EOS cameras cannot use infrared
the instructions for your EOS camera.
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The infrared index position is based on a
wavelength of 800 nm.
• The compensation amount differs depending on
the focal length. Use the indicated
a guide when setting the compensation
• Be sure to observe the manufacturer's
instructions when using infrared film.
• Use a red filter when you take the
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Adjusting the Revolving Mount
You can loosen the orientation
particular camera model for
ft
Detaching
First remove the lens from
below. To attach the tripod
mark.
film. See
1
Loosen the orientation
locking knob.
focal length as
amount.
picture.

Tripod Mount

lock-knob on the tripod mount to allow
switching between vertical and horizontal
the camera and then remove the tripod mount
mount, reverse the procedure.
Rotate the tripod mount and
align the mounting indicator
on the tripod mount with the
one on the lens.
it to rotate as needed to fit a
positions.
from the lens as shown
Slide off the tripod collar
away from the rear of the
lens.