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Forums > Back > DPReview reviews Sigma SD Quattro H
#3
If you don't see the horrid noise left over from the heavy chroma noise reduction at ISO 100, let me help you. First, I agree that LR can be not great with many cameras. But you can convert DNG with a lot of software anyway.

 

Here is a 400% crop, so even tired old eyes or blurry monitored viewers can see the noisy mess left in the not saturated red:

[ATTACHMENT NOT FOUND]

 

Another image:

https://1.img-dpreview.com/files/p/TS619...554174.jpg

 

Even worse noisy crap at ISO 100:

 

 

That basically looks like ISO 6400 or so with heavy chromatic noise reduction and some luminance noise reduction after that-results from not a brilliant camera. This looks like what Panasonic Lumix cameras were critisized for a decade ago (noisy smeary mess).

 

[ATTACHMENT NOT FOUND]

 

Also in this image, horrid and weird CA-like crap, not at the far edge of the Sigma 35mm f1.4 Art:

[ATTACHMENT NOT FOUND]

 

I was not aware that that Sigma has such CA issue.

 

Why I look at these images? Because the IQ gets hyped a lot and often, so out of interest, obviously. Just like I look at all kinds of other camera related things.

 

Just many pretty bad images, IQ wise. 

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Messages In This Thread
DPReview reviews Sigma SD Quattro H - by JJ_SO - 06-01-2017, 04:06 PM
DPReview reviews Sigma SD Quattro H - by Brightcolours - 06-01-2017, 04:57 PM
DPReview reviews Sigma SD Quattro H - by JJ_SO - 06-01-2017, 07:00 PM
DPReview reviews Sigma SD Quattro H - by borisbg - 06-02-2017, 02:41 AM
DPReview reviews Sigma SD Quattro H - by JJ_SO - 06-02-2017, 05:14 AM
DPReview reviews Sigma SD Quattro H - by JJ_SO - 06-02-2017, 05:51 AM

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