Interesting question. I see very little difference in resolution between
100 and 200 on my E-510.
Jim Nichols
Tullahoma, TN USA
----- Original Message -----
From: <GMcGrath@xxxxxxx>
To: <olympus@xxxxxxxxxxxxxxxxx>
Sent: Friday, May 01, 2009 8:30 PM
Subject: [OM] "Native" ISO of DSLR sensors
>I apologize if this has been discussed before, but I missed it if it was.
>
> I read something to the effect that there is a "native" ISO to camera
> sensors, and faster speeds are accomplished by turning up the gain. (I
> think we
> all know this.) The interesting part was that the item also stated that
> some camera manufacturers allow users to select lower ISOs, but they
> don't
> give any improvement in image quality over the native ISO. For instance,
> the
> sensor's native ISO might be 200, and selecting an ISO of 100 wouldn't
> give
> you any better results (other than selecting a slightly different shutter
> speed or aperture). Is this a valid concept? If so, does anyone know what
> the native ISO of the various Oly DSLRs is? I'm particularly interested
> in
> the 510 and 520, since I have one of each.
>
> Thanks!
> Greg
>
>
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