Anti-vibration telescope

Details Anti-vibration telescope Anti-vibration telescope

1997-11-07

1999-08-17

Nguyen, Thong

Optical: systems and elements

Image stabilization

By movable refractive structure

359554, 359556, G02B 2764

Patent

active

059402130

ABSTRACT:
An anti-vibration telescope allows an image formed on the retina of the observer's eye to remain stationary even when the telescope is tilted from its original position. The anti-vibration telescope includes an objective lens which has an anti-vibration optical element for compensating for image fluctuation. An eyepiece is provided for enlarging the image formed by the objective lens with help of the anti-vibration optical element. The anti-vibration optical element is controlled so that when the telescope is tilted by an angle .epsilon. from an originally focused position, the image point is shifted in the focal plane of the objective lens by an amount .delta. which lies within the range

REFERENCES:
patent: 5539575 (1996-07-01), Kakizawa et al.
patent: 5672862 (1997-09-01), Ohara et al.
patent: 5754339 (1998-05-01), Kanai et al.

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