Tag Archives: lens board

squaring a different circle …

Posted on November 25, 2024 by Robert

Toronto. From the beginnings of photography until well into the last century a common camera design was the field camera or its many variations. Basically the sensitive media was separated from the lens and (when needed) shutter mechanism by a … Continue reading →

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lens board connects to the lens mount

Posted on August 1, 2022 by Robert

Toronto. For most of the 1800s and early 1900s, cameras had a focussing means situated between the lens board and the media making the media-to-lens distance relatively unimportant. However; when camera bodies became rigid and the focussing means moved to … Continue reading →

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mounting a standard

Posted on November 27, 2021 by Robert

Toronto. A camera’s lens mount does many things: keeps the film to lens distance unchanged in spite of 1,000s of lens changes so one can reliably focus to infinity at any aperture opening; keeps the lens firmly attached to the … Continue reading →

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