Pentax R-315(N) Telescope User Manual


 
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3 PREPARATION FOR SURVEYING
3-6 Eyepiece Adjustment
Eyepiece adjustment
The eyepiece adjustment is performed before
target sighting.
q Remove the telescope lens cap.
w Point the telescope at a bright object, and rotate
the eyepiece ring full counter-clockwise.
e Look through the eyepiece, and rotate the
eyepiece ring clockwise until the reticle appears
as its maximum sharpness.
When looking into the eyepiece, avoid an intense look to prevent parallax and
eye fatigue.
When it is hard to see the reticle due to poor brightness, press [ILLU] to
illuminate it . For adjusting intensity of brightness, refer to page 35.
Sight axis
Vertical lines (double)
Vertical line (single)
Horizontal
line
PENTAX R-300 (p20-52) 10/30/02 11:08 AM Page 25