E-M5 Firmware update... V 2.0 today..

Started 6 months ago | Discussions thread
Thomas Niemann
Veteran MemberPosts: 4,037
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Re: Clarification:
In reply to texinwien, 6 months ago

texinwien wrote:

texinwien wrote:

Thomas Niemann wrote:

Note that ISO 12232:2006 includes the Recommended Exposure Index that allows manufacturers to specify an ISO value that produces well-exposed images.

Indeed, I've read that article (and many others on the subject) backwards and forwards many times. It, in no way whatsoever, disproves anything I've said. As a matter of fact, it's at the foundation of what I'm saying.

I wonder why Olympus would recommend ISO 200 when, per your comment, ISO 100 would be better as an increase in exposure would yield less noise.

Well, the error-laden article you linked to talks about it a bit.

Here I was referring to the TOP articles you originally linked to, not to the wikipedia article on Film Speed, to which you also linked.

In a previous post you stated that "The fact that the E-M5 has a sensor ISO 107 at camera ISO 200 means Olympus can (and did) add a Low / ~100 Camera ISO that has a sensor ISO of 107 without really sacrificing DR.".

The dpreview of the E-M1 indicated that there was less highlight detail at ISO 100. Their graphs also indicate this. (scroll down to the end of this page).

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