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Cell Thread adapters
"Cheesehead" wrote in message ... Are there readily-available thread adapters so that cells intended for a Copal 3 or 3s can be fit into another large shutter. I've read that S K Grimes does this "custom" but I was curious if the parts were out there to be had for a more modest price. I've never seen anything like this. Not only must the threads match but the location of the cells in the shutter are critical. Element spacing, which includes cell spacing is extremely critical for many lens designs so its not trivial to move a lens from one shutter to another of a different type. -- -- Richard Knoppow Los Angeles, CA, USA |
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Cell Thread adapters
Richard Knoppow wrote:
"Cheesehead" wrote in message ... Are there readily-available thread adapters so that cells intended for a Copal 3 or 3s can be fit into another large shutter. I've read that S K Grimes does this "custom" but I was curious if the parts were out there to be had for a more modest price. I've never seen anything like this. Not only must the threads match but the location of the cells in the shutter are critical. Element spacing, which includes cell spacing is extremely critical for many lens designs so its not trivial to move a lens from one shutter to another of a different type. It may not even be easy to move a lens from one shutter to another of the same type. My Wisner Convertable Plasmat Set comes with a Copal #1 shutter, but I cannot substitute another Copal #1 because Mr. Wisner machined the brass part of the shutter to allow the cells to be a little closer together. -- .~. Jean-David Beyer Registered Linux User 85642. /V\ PGP-Key: 9A2FC99A Registered Machine 241939. /( )\ Shrewsbury, New Jersey http://counter.li.org ^^-^^ 16:55:02 up 5 days, 1:56, 4 users, load average: 5.08, 5.00, 4.76 |
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