Olympus OM-D (EM-5) comparison samples are now.. (continued)

Started Mar 17, 2012 | Discussions thread
RicksAstro Veteran Member • Posts: 3,853
Re: Olympus OM-D (EM-5) comparison samples are now.. (continued)

Tremor16 wrote:

Thanks Rick :). But is ISO accuracy the same thing I was asking about? I'm specifically interested in aperture, shutter and ISO combinations and the discrepancies between cameras under a given lighting situation.

Well, shutter speed and aperture are likely assumed to be accurate in a given camera, so that leaves ISO as the part of the triad in question. If ISO has been shown to be accurate to a certain standard as DPR does then, yes, you can compare a given aperture/shutter/iso combinations between cameras even under different lighting conditions because you have shown that all 3 parts confirm to a standard. So if your lighting is brighter this time, you can adjust the shutter and still have some assurance that the ISO comparison is still valid.

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