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October 18th, 2013, 07:43 AM
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#1 |
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Trustee
Join Date: Sep 2007
Location: Newark, Delaware
Posts: 1,067
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Gain to f-stop comparrison
As anyone ever done a comparrison between gain and iris? Meaning ex" 1 stop=6 db of gain or something like that.
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October 18th, 2013, 07:56 AM
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#2 |
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Inner Circle
Join Date: Dec 2005
Location: Bracknell, Berkshire, UK
Posts: 4,957
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Re: Gain to f-stop comparrison
No need to do a comparison. +6db = +1 fstop = 2x ISO.
__________________
Alister Chapman, Film-Maker/Stormchaser http://www.xdcam-user.com/alisters-blog/ My XDCAM site and blog. http://www.hurricane-rig.com |
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October 18th, 2013, 12:24 PM
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#3 |
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Trustee
Join Date: Sep 2007
Location: Newark, Delaware
Posts: 1,067
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Re: Gain to f-stop comparrison
Cool so if I get a straight 2.8 lens I will get to drop my gain by at least 6 db maybe 9 from 21 to 12 good . thanks
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