Pentax ETH-302, ETH-310, ETH-305 instruction manual Object sighting

Models: ETH-310 ETH-302 ETH-305

1 48
Download 48 pages 31.51 Kb
Page 33
Image 33

4.6 Object sighting

After [4.5 Eyepiece adjustment] is completed, sight the object.

1Loosen the telescope clamp screw and horizontal clamp screw.

2Point the telescope at the object using the collimator sight.

3Tighten the telescope clamp screw and horizontal clamp screw.

4Focus on the object by rotating the focusing ring, while looking through the telescope.

5Accurately align the reticule with the object, using each tangent screw.

 

Collimator

 

Focusing ring

object

Telescope eyepiece

 

Horizontal clamp screw

 

Horizontal tangent screw

In procedure 4 , focus on the object correctly so that the reticule will not move in relationship to the object when you move your eye slightly left and right, while looking through the eyepiece.

Turn the focusing ring clockwise to focus on a near object.

Turn the focusing ring counterclockwise to focus on a far object.

Two screws of the collimator are fixed and adjusted at the distributor or the manufacturer. Do not move them arbitrarily.

33

Page 33
Image 33
Pentax ETH-302, ETH-310, ETH-305 instruction manual Object sighting