[Auto focus :Target sighting by Power focus 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 then operate the Power focus key and focus
on the target.
yAlign 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