Thanks Glenn and Scott, for the information.
>We were able to buy one for $30, so now the optical printer can be pressed
>back into service.
>From: "GLENN BRADY" <gmbr...@windstream.net>
>Yes, the 50mm EL-Nikkor lenses have an M39 thread and will fit the adaptor on
>the JK bellows (I've got a K-104 optical printer and previously owned a
>K-103). Any 50mm EL-Nikkor with an M39 thread will work.
>From: Scott Dorsey <klu...@panix.com>
>Subject: Re: [Frameworks] 50mm EL-Nikkor for JK Optical Printer
>Content-Type: text/plain; charset=us-ascii
>Enlarger lenses will usually have a 39mm screw mount (Leica screw).
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