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快门速度
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标题 发布/更新时间 阅读量
Film cartridge having a lens aperture stop 2023-01-18 107
Shutter speed control 2023-01-26 463
Apparatus for determining camera shutter speed 2023-01-13 414
Lens shutter connecting mechanism between shutter speed and diaphragm aperture controls 2023-01-15 450
Device for recording the speed of shutters in photographic apparatus 2023-01-17 598
Device for recording the speed of shutters in photographic apparatus 2023-01-20 461
Camera shutter speed setting and film re-winding device 2023-01-24 433
Roller-blind shutter, for cameras, with single and graduated table for the whole range of speed extending from fast snapshots to slow exposure speeds 2023-01-22 786
Camera shutter speed controller and switch 2023-01-28 614
Photographic-shutter speed-testing machine 2023-01-27 816
Means for regulating the speed of photographic shutters. 2023-02-01 687
Apparatus to be used in measuring the speed of photographic shutters. 2023-01-31 581
Flash circuit for photographic cameras 2023-01-23 20
Combined control means for adjusting aperture size and shutter speed of cameras 2023-01-29 779
Photographic self-cocking shutter with electronic shutter speed control 2023-01-14 322
Interengaging mechanism between exposure meter and camera diaphragm and shutter speed controls 2023-01-21 759
Apparatus for coordinating camera shutter speed, iris opening and light value 2023-01-19 688
Photographic exposure meter coupled to the shutter speed indicator of a camera 2023-01-25 549
Speed adjusting mechanism for disk type camera shutters 2023-01-30 445
Device for recording the speed of shutters in photographic and the like apparatus 2023-01-16 801
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