Camera with auto ranging, focusing and flash fire control

Details Camera with auto ranging, focusing and flash fire control Camera with auto ranging, focusing and flash fire control

G - Physics

03

B

349/33, 95/62

G03B 13/00 (2006.01) G02B 7/40 (2006.01) G03B 7/08 (2006.01) G03B 7/16 (2006.01)

Patent

CA 1135551

6069 ABSTRACT OF THE DISCLOSURE An automatic camera apparatus includes an integrated exposure control system comprising a sonar rangefinder for first determining camera-to-subject range and then setting the objec- tive lens focus condition to correspond to the determined camera- to-subject distance and thereafter firing an electronic flash at an appropriate exposure aperture also corresponding to the determined camera-to-subject distance in a manner providing for a proportional fill-in flash under conditions of high ambient scene light intensity.

345749

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