Will Sigma's full-frame beat the Pentax 645Z?

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Scottelly
Scottelly Forum Pro • Posts: 13,649
Will Sigma's full-frame beat the Pentax 645Z?
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I can guess that most people's answers to this will plain and simply be, "No." What I wonder about though, is the possibility that the Sigma's image quality will be superior to the image quality (including details captured and visible in the photos) of the SD Quattro H. I believe that the SD Quattro H almost matches the Pentax 645Z, and while I know there are those here who think it doesn't even come close, there are those who would say that the Sigma really does come close, and if the full-frame camera beats the SD Quattro H, maybe it will match or beat the Pentax 645Z. Certainly, at 51 MP the Pentax should not match a 60 MP camera, right? (Well, Sigma says the full-frame sensor is going to be 60 MP.)

In sample sets from the 50 MP Canon we have been shown in this forum that the Canon matches or beats the Sigma, though that has not been done with the exact same lens. Here are some samples of how the Pentax 645Z compares to the SD Quattro H and Canon 5Dsr:

See for yourself:

https://www.dpreview.com/reviews/image-comparison?attr18=daylight&attr13_0=pentax_645z&attr13_1=canon_eos5dsr&attr13_2=sigma_sdquattroh&attr13_3=sigma_sdquattroh&attr15_0=jpeg&attr15_1=jpeg&attr15_2=raw&attr15_3=jpeg&attr16_0=100&attr16_1=100&attr16_2=100&attr16_3=100&attr126_2=4&attr126_3=1&normalization=full&widget=1&x=-0.6513089005235602&y=0.30543751171657013

Now I'm not trying to say the Sigma "60 MP" camera will match the 60 MP Sony (interesting that Sony has made that camera so quickly after Sigma has announced a 60 MP camera), but I am thinking the Sigma might match or exceed the 51 MP Pentax 645Z, and I'm sure that's obvious to you. What I'd like to know is if there are any people here who think I just might be right about that.

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Scott Barton Kennelly
https://www.bigprintphotos.com/

 Scottelly's gear list:Scottelly's gear list
Sony SLT-A65 Sigma SD1 Merrill Nikon D810 Sigma sd Quattro H Sony DT 18-55mm F3.5-5.6 SAM +20 more
Canon EOS 5DS R Pentax 645Z Sigma sd Quattro H
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