Optical: systems and elements – Lens – With variable magnification
Patent
1990-10-11
1993-03-09
Sugarman, Scott J.
Optical: systems and elements
Lens
With variable magnification
354219, 354222, 354223, G02B 1514, G03B 1302, G03B 1310
Patent
active
051930307
ABSTRACT:
A finder apparatus for use with a lens-shutter type camera composing a zoom imaging optical system, a zoom finder optical system separate from said zoom imaging optical system, and an electronic flash device. The zoom finder optical system is made as a real-image zoom finder apparatus, with part of the associated optical elements being disposed behind the electronic flash device, and part of the optical path from the objective lens to the eyepiece being bent backward of the electronic flash device to pass through the optical element disposed behind the electronic flash device.
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Abe Tetsuya
Nozaki Katsuhiko
Asahi Kogaku Kogyo K.K.
Sugarman Scott J.
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