From DXOMark: More pixels offsets noise3

Started May 30, 2009 | Discussions thread
John Sheehy Forum Pro • Posts: 21,575
Re: From DXOMark: More pixels offsets noise3

plevyadophy wrote:

Now my friend, that there is what I am talking about

To print at 4 x 6 on a 20+ Mpix cam to get a decent image, to my mind
is rubbish. Ergo, that ISO25.6K setting is a waste of space; just
there as marketing so they don't look as though they are losing out
to Nikon. Silly really.

Maybe the problem is YOU ; maybe you have unrealistic expectations of high ISO. Anyway, I was talking about not seeing noise at all; not "a decent photo". I can get a "decent photo" at 4x6 under-exposing to ISO 100,000.

If you're shooting in extremely low light, it is very stupid to shoot at low ISOs and get subject or camera motion blur, if that is not your intent. High ISOs are there for a reason; to get non-open apertures and/or faster shutter speeds in very low light. Cameras need not have any limit to high ISO; all you need is reasonable expectations about what you can do with the images.

To me, there are only two mega-high ISO cams,
and that's the Nikon D700 and D3, alll other cams are just pretenders
to the throne

That's fanatical nonsense.

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