Difference between revisions of "Ibso"
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Revision as of 18:14, 23 November 2011
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The Ibso shutter was made by Gauthier from 1908 onwards. It was the first everset shutter (i.e. an 'automatic' shutter, not needing to be cocked) on the market.[1] It is found on many folding cameras of the period. It has the usual limitation of everset shutters that it cannot offer very fast speeds; the original Ibso shutter gives speeds from 1 to 1/100 second, plus 'B' and 'T'.
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