Viewing apparatus with adjustable alignment marker support

Details Viewing apparatus with adjustable alignment marker support Viewing apparatus with adjustable alignment marker support

1986-09-02

1988-01-26

Arnold, Bruce Y.

Radiant energy

Ionic separation or analysis

Static field-type ion path-bending selecting means

250333, 350566, 350567, G02B 2300, G02B 2316, H01J 3149

Patent

active

047213752

ABSTRACT:
A viewing apparatus suitable for use as a night sight includes an image intensifier (3) arranged between an objective (1) and an ocular (7). An alignment member (25) has an alignment marker (28) arranged between the image intensifier (3) and the ocular (7) adjustable by rotation of an alignment marker support (23) about two orthogonal axes (X, Y) which intersect each other at a virtual point of rotation (M) which is located on an optical axis (17).

REFERENCES:
patent: 4417814 (1983-11-01), Doliber

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