DV Info Net - Gain to f-stop comparrison

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Randy Johnson

October 18th, 2013 07:43 AM

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.

Alister Chapman

October 18th, 2013 07:56 AM

Re: Gain to f-stop comparrison

No need to do a comparison. +6db = +1 fstop = 2x ISO.

Randy Johnson

October 18th, 2013 12:24 PM

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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