[Auto focus :Target sighting by Normal mode]
qLoosen the telescope clamp and horizontal clamp screws.
wPoint the telescope at the target using a collimator.
eTighten the above two screws.
rAdjust the eyepiece.
tLook through the telescope and press the AF button. Move your eye vertically
and horizontally to see if the target image moves in relation to reticle.
yAlign the reticle accurately on the target using telescope and horizontal
tangent screws.
If the target image does not move, there is no parallax.If it moves, eliminate
the parallax.
Even when vertical angle measurement is not performed, it is recommended
that the target should be placed at the reticle center.
Operating the Power focus key rotates the AF ring, so do not touch it while it
is rotating.
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3 PREPARATION FOR SURVEYING
AF button
Collimator
Target sighting
Target
Collimator
PENTAX R-300 (p20-52) 10/30/02 11:08 AM Page 28