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<blockquote data-quote="Pretzel" data-source="post: 249341" data-attributes="member: 12257">Good ISO performance is relevant to other cameras in the competitive range, and yes, when compared to others in it's class, the D5100 does well.&nbsp; Say, for instance, compare it to the t3i (around the same price range) and you'll find MUCH better noise performance at higher ISO's with your D5100 (like around 1.5 stops!).&nbsp; There's so much more to noise levels though, like:1)&nbsp; Was the shot underexposed at all in the area you're looking at?&nbsp; If it was, correcting exposure in PP adds a bit of noise.&nbsp; On the other hand, correcting exposure before shooting will help control it.2)&nbsp; Are you looking at the RAW file?&nbsp; If so, a little more noise will be evident, but it is EASILY compensated for in PP.&nbsp; The camera will auto correct for that a bit if shooting in .jpg, but then you lose a lot of &quot;tweakability&quot; with your photos in PP.&nbsp; When my exposure is correct, I can usually get noise levels to practically unnoticeable up to ISO 1600 with my D3100 through PP, and the D5100 performs about a half stop better in that area.3)&nbsp; Is this, perhaps, after PP to sharpen and increase detail?&nbsp; Most of the adjustments in these areas will also add a little noise, but if shooting in RAW, you can (in most cases) easily compensate.4)&nbsp; Is noise compensation on or off in your camera settings?&nbsp; Self explanatory.You might post a pic with all of the EXIF data and PP adjustments, and I'm willing to be a lot of folks can offer thoughts/tips/opinions. <img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite1" alt=":)" title="Smile&nbsp; &nbsp; :)" loading="lazy" data-shortname=":)" /></blockquote>

[QUOTE="Pretzel, post: 249341, member: 12257"] Good ISO performance is relevant to other cameras in the competitive range, and yes, when compared to others in it's class, the D5100 does well. Say, for instance, compare it to the t3i (around the same price range) and you'll find MUCH better noise performance at higher ISO's with your D5100 (like around 1.5 stops!). There's so much more to noise levels though, like: 1) Was the shot underexposed at all in the area you're looking at? If it was, correcting exposure in PP adds a bit of noise. On the other hand, correcting exposure before shooting will help control it. 2) Are you looking at the RAW file? If so, a little more noise will be evident, but it is EASILY compensated for in PP. The camera will auto correct for that a bit if shooting in .jpg, but then you lose a lot of "tweakability" with your photos in PP. When my exposure is correct, I can usually get noise levels to practically unnoticeable up to ISO 1600 with my D3100 through PP, and the D5100 performs about a half stop better in that area. 3) Is this, perhaps, after PP to sharpen and increase detail? Most of the adjustments in these areas will also add a little noise, but if shooting in RAW, you can (in most cases) easily compensate. 4) Is noise compensation on or off in your camera settings? Self explanatory. You might post a pic with all of the EXIF data and PP adjustments, and I'm willing to be a lot of folks can offer thoughts/tips/opinions. :) [/QUOTE]

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