Gain to f-stop comparrison at DVinfo.net

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Sony NEX-EA50 (all variants)
Including NEX-EA50UH / EA50EH / EA50H / EA50UK / EA50EK / EA50K

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Old October 18th, 2013, 07:43 AM   #1
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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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Old October 18th, 2013, 07:56 AM   #2
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Re: Gain to f-stop comparrison

No need to do a comparison. +6db = +1 fstop = 2x ISO.
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Old October 18th, 2013, 12:24 PM   #3
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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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