Auto focus :target sighting by normal mode – Pentax R-315(N) User Manual
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[Auto focus :Target sighting by Normal mode]
q
Loosen the telescope clamp and horizontal clamp screws.
w
Point the telescope at the target using a collimator.
e
Tighten the above two screws.
r
Adjust the eyepiece.
t
Look 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.
y
Align 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.
28
3 PREPARATION FOR SURVEYING
AF button
Collimator
Target sighting
Target
Collimator
PENTAX R-300 (p20-52) 10/30/02 11:08 AM Page 28