Apparatus for pupil distance adjustment for eyepieces

Details Apparatus for pupil distance adjustment for eyepieces Apparatus for pupil distance adjustment for eyepieces

2006-03-21

2008-10-28

Amari, Alessandro (Department: 2872)

Optical: systems and elements

Compound lens system

Telescope

C359S375000

Reexamination Certificate

active

07443580

ABSTRACT:
An apparatus for pupil distance adjustment for a binocular tube (22) has two eyepiece carriers (1, 2), at least one of which is mounted rotatably about a rotation axis (3, 4), a threaded spindle (7) being provided which is actuatable for pupil distance adjustment and by way of whose threads (12) the spacing of the two eyepiece carriers (1, 2) is adjustable. The apparatus can be implemented in mechanically simple and compact fashion, and permits accurate adjustment of the pupil distance.

REFERENCES:
patent: 2393339 (1946-01-01), Russell
patent: 3434772 (1969-03-01), Fogle
patent: 3914012 (1975-10-01), Boughton
patent: 4175826 (1979-11-01), Blaha et al.
patent: 4611493 (1986-09-01), Muth
patent: 5734499 (1998-03-01), Matsumoto et al.
patent: 891762 (1953-10-01), None
patent: 2502209 (1975-01-01), None

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