Originally Posted by
swmcl
Hi,
I recently had a Nikkor 480 APO lens grafted onto a Copal #3 shutter by the Grimes factory. The bits were returned to me after the removal of the needed parts. I notice the mechanism for the aperture is a double-action aperture of some type. I think it is designed to extend the range of the aperture - meaning it goes from a large hole to a tiny hole. Does anyone know what that is called or where they might be found?
I will say it is a sexy piece of kit. I could sit in my lounge chair and just twiddle the aperture for hours!!
(probably a Dan Fromm question ...)
Cheers,
Steve
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