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05-14-2018, 12:39 PM   #16
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QuoteOriginally posted by SteveinSLC Quote
Anyone that would criticize DPR for using a single lens to compare across brands doesn't understand proper scientific testing methods. The idea is to do everything you can to reduce variables across the things being compared.
The Sigma 35 Art would be a great choice for this. It's well regarded as a high quality lens, and it's available for most mounts/brands.
You would still have the issue of different sensor aspect ratios, though, such that some of the camera wouldn't be utilizing the full sensor resolution if you were to shot the same scene and fit entirely into the frame.

05-14-2018, 01:28 PM   #17
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QuoteOriginally posted by madbrain Quote
You would still have the issue of different sensor aspect ratios, though, such that some of the camera wouldn't be utilizing the full sensor resolution if you were to shot the same scene and fit entirely into the frame.
Completely true. Not much one can do about that, unless the cameras have the same sensor (i.e. the Pentax and Nikon using the Sony 36MP sensor). Using the same lens is just one step in the right direction.
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