New answers tagged shutter
The early "black" Konica Hexar AF had a silent mode that was very good. For complicated reasons Konica disabled it in later versions of the camera. But it was still there in the firmware and could be hacked back into existence. Plus it had a sweet 35/2. Plus active AF that focused perfectly in complete darkness. They even used IR for the active AF so there ...
There was a Canon Rebel model that had a semi transparent mirror, so half the light went to the viewfinder and half could pass to the film, so there was no need to flip the mirror, which is the loudest process on a SLR camera. On a tween lens camera there is no need to flip any mirror at all, so the cameras were very silent.
In simple terms, the "baseline" exposure in cameras in the "olden days" was 1/125 shutter at f/8 aperture on ISO100 film. This would a give good in bright daylight. I expect camera shutters were actually calibrated for that 1/125 of a second. Going faster by a stop just meant doubling to 1/250, 1/500 and do on. Going slower, you didn't want to express it to ...
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