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Posted by Cedric on September 19, 2001 at 22:54:18:
In Reply to: Leitz Pradovit Slide projector focus problem posted by Manoj on September 19, 2001 at 21:19:21:
: I am new to slide projector stuff. I bought an old Leitz Pradovit 153 DU/Colorplan 2.5/90. Auto focus works ok. The sharp focus area is at the center. If I move the lens forward(by manual focus override) left side of the slide gets focused sharp. If I move the lens backward then the right side of the slide gets sharp focus. In other words the focus moves from left to center to right of the slide as the lens moves back and front.
: Let me know if anyone knows this problem. Or is it the way old projectors work ???
Manoj asks "Or is it the way old projectors work ???"
Hi, Well it is an offbrand projector so .. only kidding. Manoj, something is out of alignment. The lens is fine. Check that the projector is at 90 degrees to the wall (it's possible, guys) and if true then go into the slide area and confirm that it is square to the lens and that the slide is secure and not flopping loose. Then check the condenser(s) for PROPER placement (someone may have taken them out to clean and .. well you know .. put them in backwards. You have an alignment problem somewhere, just start inspecting.
good luck
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