Pentax R-315(N) - Manual (Page 32)

[Auto focus :Target sighting by Power focus 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 then operate the Power focus key and focus
on the target.
y Align the reticle accurately on the target using telescope and horizontal
tangent screws.
● Tilting the Power focus key “clockwise” makes it possible to focus on closer
objects and “counterclockwise” will focus on farther objects.
● Tilting angle of the Power focus key makes it possible to perform following
three focusing speeds.
Low speed
: When tilted to middle position by approx. 5 degrees
Middle speed : When tilted fully by approx. 10 degrees
High speed
: When tilted fully by approx. 10 degrees and passed one
second
● Operating the Power focus key rotates the AF ring, so do not touch it
while it is rotating.
30
3 PREPARATION FOR SURVEYING
Collimator
Power focus key
Target
Collimator
Target sighting
PENTAX R-300 (p20-52) 10/30/02 11:08 AM Page 30