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Old December 21st, 2006, 01:42 AM   #1
Join Date: Dec 2006
Location: United Arab Emirates - Dubai
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Mini35 radial noise


I bought a used Mini35 for the Canon XLIS and it's great but I'm facing sometimes a radial noise which is really obvious in the middle of my screen.
Is there a way to get rid of it?

Abed Sabeh is offline   Reply With Quote
Old December 21st, 2006, 08:13 AM   #2
Join Date: Oct 2003
Location: Toronto, Canada
Posts: 1,055
If you're getting radial spinning noise near the center you must make sure your lens is set only between f1.2 (or full open) to about f4. Above f4 you will start to see the grain of the spinning ground glass.

Since you are using a Canon with your mini35 then you have additional light control on the relay lens using the secondary iris control. The best settings for the relay lens iris is between 1 and 4.

If you need additional light control you should be using ND filters on the front of your lens.
Dennis Hingsberg is offline   Reply

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