Let's start a pixel peeping thread

This thread is for those interested in the pixel quality of the Sigma cameras and the competition.  If you don't care please recognize that there are those who do.

In our search for images to demonstrate to use what we are concerned about with image making we search and examine pictures that are posted on the web.  It is a mistake though to take anyone's photos as a measure of the performance of a camera at the pixel level unless the images were taken specifically to show the quality at that level. There have been a couple of posts in the last week where the images looked great until you zoomed in when they became, shall we say, less great at least at the pixel level.

Printed for casual viewing at appropriate distances these images will stand up find but to a pixel peeper they will be lacking.

THAT DOES NOT MEAN THE CAMERA IS A POOR PERFORMER AT THE PIXEL LEVEL. It simply means that pixel peeping was not what the photographer was concerned with.

So it might avoid a lot of unnecessary discussion if a proviso were provided such as "not for pixel peeping" or likewise "for pixel peeping."

I've fallen into this trap too many times and judging from some of the comments so have others. Those concerned with pixel peeping will usually use methods that allow them to get better detailed dof like focus stacking and avoiding shooting at small apertures to get dof which results in diffraction.

Here are some images to illustrate pixel quality of the SDQ and also a couple from the SD1 and Sony A7r2. All the images are from an 18-35 f1.8 lens, a canon mount version on the SD1 and Sony and a Sigma mount version on the SDQ.  You can also go back and review the Russian Gulch comparisons I did a week or two ago.

First some rocks at f8 at the ocean. These were not intended for pixel peeping but there is enough dof to see how the SDQ performs in that situation. No SD1 or Sony images of rocks. There is also a bird here at actual size.

SDQ f8 iso 100 100% crop 18-35

SDQ f8 iso 100 18-35 35mm

SDQ f8 iso 100 18-35 20mm

And now some foliage shots of Douglas Fir from the SDQ SD1 and Sony A7rii

SDQ iso 100 f8 35mm on 18-35

SD1 iso 100 f8 35mm on 18-35

A7rii iso 100 f8 35mm on 18-35