Optical device

Details Optical device Optical device

2006-08-15

2006-08-15

Nguyen, Thong Q (Department: 2872)

Optical: systems and elements

Compound lens system

Telescope

C359S819000, C396S419000

Reexamination Certificate

active

07092155

ABSTRACT:
An optical device includes an optical system mount plate, a casing, and a screw-hole forming part. An optical system is mounted on the optical system mount plate. The optical system mount plate is housed in the casing. The screw-hole forming part is provided on a bottom of the casing such that a screw provided on a tripod head can threadedly fit in the screw-hole forming part. The screw-hole forming part and at least one portion of the bottom are engaged with the optical system mount plate so as to counteract a rotational tightening force that is applied to the screw-hole forming part when the screw is threadedly tighten in the screw-hole forming part.

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Webster's II Dictionary, front page and p. 430.
English Language Translation of JP Appln. No. 6-2330.

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