Eyepiece Adjustment; Target Sighting - Pentax R-200 Series Instruction Manual

⑥Confirm whether the plummet is on the ground mark. When you confirm it is not on the
mark, loosen the center screw and move the instrument over the ground mark correctly and
fix the instrument by a center screw. Repeat from ①to⑥.

3.6 Eyepiece adjustment

[Eyepiece adjustment]
The eyepiece adjustment is performed before target
sighting.
① Remove the telescope lens cap.
② Point the telescope at a bright object, and rotate
the eyepiece ring full counter clockwise.
③ Look through the eyepiece, and rotate the
eyepiece ring clockwise until the reticle appears
at 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] + [F3] [RETICLE] to access the RETICLE INTENSITY ADJ.
screen. Use the left and right arrow to adjust the reticle intensity.

3.7 Target sighting

[Target sighting by Manual focus]
① Loosen the telescope clamp and horizontal clamp screws.
② Point the telescope at the target using a collimator.
③ Tighten the above two screws.
④ Adjust the eyepiece.
⑤ Look through the telescope and then rotate the Focus ring and stop it where the target can
be clearly seen and the target image does not move in relation to reticle even if your eye is
vertically and horizontally moved.
⑥ Align the reticle accurately on the target using telescope and horizontal tangent screws.
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Horizontal line
Collimator
Focus Ring
Target sighting
Vertical line (single)
Vertical lines (double)
Target
Collimator
Sight axis