Topcon AT-B2 - IDENTIFICATION OF INSTRUMENT PARTS

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4. PARTS OF THE INSTRUMENT
(Instrument shown: AT-B2)
1. Lens hood (AT-B2 only)
2. Prism (AT-B2)/Reflector (AT-B3/B4)
3. Peep sight
*1
4. Circular level adjusting screw
5. Circular level
6. Leveling foot screw
7. Base plate
8. Horizontal fine motion screw
9. Objective lens
10. Focussing knob
11. Horizontal circle positioning ring
12. Horizontal circle window
13. Reticle adjusting screw cover
14. Eyepiece
*2
*1
The AT-B4 has a gun sight.
*
2
The AT-B2 eyepiece is detachable.
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