Posted by Stephen on October 16, 2000 at 17:16:03:
In Reply to: Re: depth of focus & inifinity stops posted by Les on October 15, 2000 at 22:14:48:
<snipped part of the message>>
: I don't recall if the Century came with an fresnel
: lens or not. If the camera was designed with a
: fresnel lens, then it needs to be in front(between
: the lens and the GG) with the rings facing the
: lens. The GG should have the matte part facing the lens.
: If somebody put it in the back, then that
: would shift the GG forward and it would cause this
: problem. I know this just happened to me and I've
: got the soft and sharp negs to prove that a
: misplaced fresnel will be a problem.
: If the camera came with one and it's not there then
: there should be some shims or ??? to keep the GG
: tight to the back of the GG mount.
I have a copy of the repair manual for the
Pacemaker and Crowns with the side rangefinder.
If it had a fresnel lens installed, the grooves
face the frosted side of the ground gla.ss.
When the a.ssembly is installed the fresnel
side is towards the front of the camera, which means that when you
focus you are looking at the
ground gla.ss side.
The Super/Super Speed are a.ssembled the same
way.
Graflex called it an Ekatalite field lens.
Stephen