ISO 80 for video grainier than 160?

Started by RMAlpine, August 31, 2012, 05:43:33 AM

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RMAlpine

I don't know if its just me or something, but for some reason, ISO 80 seems to be quite grainy when recording video. This is using the standard picture style, no adjustments. Maybe that is my problem or something. I've only ever seen it being used on picture styles with low contrast and 0 sharpness.

Should I just go back to using 160 or am I just seeing things?

AVS

I wish to try, but couldn't find it...below 100 goes Auto   :-[ 

Zaphod

Quote from: RMAlpine on August 31, 2012, 05:43:33 AM
I don't know if its just me or something, but for some reason, ISO 80 seems to be quite grainy when recording video. This is using the standard picture style, no adjustments. Maybe that is my problem or something. I've only ever seen it being used on picture styles with low contrast and 0 sharpness.

Should I just go back to using 160 or am I just seeing things?

It's possible that you're under-exposing at ISO 80, and that's the cause of the extra noise. Check to make sure the exposure is correct and exactly the same as that which you're using at ISO 160.

I haven't shot ISO 80 yet, so I cannot confirm. But check the exposure.

KarateBrot

Shoot a video with your lens cap on with ISO 80 and 160. Then in post crank up contrast and probably down gamma. Then compare the two shots to really see if 80 has got more noise or not.
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