In article , Me says...

On 26/05/2017 5:50 PM, nospam wrote:
In article , Sandman
wrote:

The Olympus E-M1 II has the lowest noise at ISO 64 (at the cost of a bit
less dynamic range) but the highest dynamic range at ISO 200. So what
would be the native or base ISO of the sensor?
How would that be defined?

Unless the camera maker doesn't specify this specifically, there is no way
to know when the sensor output is boosted or not.

there is.

Yes.
and also the comment that:
"The Olympus E-M1 II has the lowest noise at ISO 64 (at the cost of a
bit less dynamic range)
makes no sense.

Anyway, as Scotty said - "Ye cannae change laws of physics"

http://photonstophotos.net/Charts/PD...M1%20Mark%20II
But wait - Olympus appears to have done so.
So either they're bull****ting about actual ISO setting (which they've
done before) or bull****ting by applying noise reduction to raw files
(which they've also done before), or bull****ting about both (likely).
So if you /think/ when it's set at ISO 6400 - it actually is, and you
/think/ there's no NR applied to raw files, and are happy with the
result, then enjoy.

.... what have you been smoking?
--
Alfred Molon

Olympus E-series DSLRs and micro 4/3 forum at
http://tech.groups.yahoo.com/group/MyOlympus/
http://myolympus.org/ photo sharing site