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What is it? XLIX
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72
Andy Dingley
Posts: n/a
On 18 Feb 2005 23:00:17 -0500,
(DoN. Nichols)
wrote:
O.K. A complete shutter assembly, missing only the screw-in
front and rear lens elements.
Iris, not shutter. It's adjustable to control the aperture, not open &
shut to control exposure. An iris like this can't be fully closed,
for one thing.
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