5d Mark III low iso poor performance.

Started Jun 20, 2012 | Discussions thread
Kreitmann Contributing Member • Posts: 642
Two examples

I tried it, and you are totally right:

first the good one:

ISO 320, no HTP, lens stopped down (no vignetting, no wide open lens RAW gain). The shoot is a bit dark, but ok.

and the ugly:

ISO 250, HTP, lens wide open. Soft and dark (that is the 50mm 1.8 at 1.8, FF corner, 100%; aka totally normal), but the banding is impressive way up into the midtones.

I use LR 4.1 for both shots, with my usual NR. So, conclusion, wrong camera / lens setting can really mess up your image.

 Kreitmann's gear list:Kreitmann's gear list
Canon EOS 80D Canon EF 28mm f/1.8 USM Canon EF 85mm f/1.8 USM Canon EF 300mm f/4.0L IS USM Canon EF 24-70mm f/2.8L USM +12 more
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