Re: Seller says lens at threads is 41mm diameter


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Posted by Wayne Ulrich on October 30, 2000 at 17:36:32:

In Reply to: Seller says lens at threads is 41mm diameter posted by Kent on October 27, 2000 at 15:55:50:

: 41mm / (25.4 mm per inch) = 1.67 inches diameter.

: I think the Mini Speed lensboard is 2" x 2"
: (2" - 1.67")/ 2 = 0.16"
: That would leave 1/6" from the outside diameter of
: the lens to the edge of the lens board.

: Is this enough room? It might just fit.


I have several No. 3 Graphex shutters,
which is the size used with the 10 inch
Tele-Optar and the 162mm Optar, and it
fits just fine on my Century Graphic
boards with room to spare. Also the No. 3
Kodak will fit, but it is extremely
tight. The No. 3 Graphex shutter uses a
42.5mm hole and the No. 3 Supermatic
is 44mm hole.

: The other consideration is do I have enough bellow
: extension for this lens to focus at the film
: plane?


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