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Shooting through too much glass?


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#1 Eugene Lehnert

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Posted 21 May 2005 - 06:51 AM

I'm going out to shoot today and I had a few extra rolls of 500T but during the day it will be too bright to shoot with unless I really stop it down with some NDs. How many NDs are too much? Will there be any kind of degradation in image quality if I shoot through an 85 and a 1.2 ND? I was thinking of shooting through the highest 85 ND I could find and just that.
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#2 oscar jimenez

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Posted 21 May 2005 - 09:08 AM

Are you shooting with Cam that has Variable Shutter? maybe you can start from closing shutter blade to a 45 angle, and then you'll add some 85 and some ND's the problem on image rendering also may be related to what kind of lenses are you using, if they are old not good care taken. Filter Glass quality ( old scratched and dirty glass)
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#3 Eugene Lehnert

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Posted 22 May 2005 - 06:24 PM

The camera did have variable shutter but I didn't want to change the motion blur in any of the footage. The day ended up to be quite cloudy so I did not have to put that many NDs in front of the lens. I was shooting with the Super Moviecam with a 25-250mm Cooke lens. I ended up using an 85 filter with a .9 ND. I'll find out how it looks once the footage comes back.
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#4 Dan Salzmann

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Posted 22 May 2005 - 08:55 PM

Why didn't you use an 85N9?
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#5 Eugene Lehnert

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Posted 22 May 2005 - 11:11 PM

I didn't have one.
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