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cleaning / servicing copal SK lenses

I have bought a used cambo (SK digitar) lens, which is being shipped to me, and I am wondering what options I have for cleaning/servicing should it need it in the future, i.e. for internal dust or lubricating the copal mechanism?

with Copal not making the shutters anymore, I assume there are still service options available?
But with it being a cambo wrs mount, is there anything specific about that which I need to take into account?



Active member
SK Grimes used to service Copal shutters it but is out of the game. On the Large Format Forum, people seem to swear by Carol Flutot.

Here's a recent thread where someone recommends Bill Rogers at

By coincidence, I'm waiting for a couple Mamiya lenses to come back from Bill, who just serviced them for me. He was great to deal with and the price was very reasonable. I haven't received the lenses yet (still in the mail) so I can't testify to the work (yet).
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Active member
Precision moved to the Bay area, sadly just a couple of months after finding him here in Chicago.


Well-known member
Thanks for the correction. I did not realize they had moved. They have worked on a lot of my Arca stuff. Always great work. Glad they are still out there.

Paul C