Focus detecting device and optical apparatus having the same

Photography – With exposure objective focusing means – focusing aid – or... – Temperature compensating

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396114, G03B 1336

Patent

active

059957662

ABSTRACT:
A focus detecting device which performs a temperature compensating action on the basis of an output of a temperature sensor includes a focus detecting sensor, a reimaging lens which reimages a light flux to be used for focus detection, a support member on which the focus detecting sensor and the reimaging lens are mounted, and the temperature sensor disposed in the vicinity of a mounting surface of the support member on which the reimaging lens is mounted.

REFERENCES:
patent: 4772912 (1988-09-01), Ishida et al.
patent: 5412448 (1995-05-01), Kunishige
patent: 5771413 (1998-06-01), Suda et al.
patent: 5839001 (1998-11-01), Ohtaka et al.
patent: 5864721 (1999-01-01), Suda et al.
patent: 5895129 (1999-04-01), Ohta

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