Sony A7R Mark III vs the Nikon D850 and Canon 5DSR – Rationalizing High Resolution

This is a syndicated blog post from Horatio Tan over at Street Silhouettes. It and the content here are being syndicated with exclusive permission.

I was obviously miffed the Sony FE 35mm f/1.4 ZA was not the most appropriate lens to fully demonstrate the Sony A7R Mark III, on my last post. So much was my disappointment, that it drove me over the edge. How was it possible that native Zeiss lenses made for full frame Sony mirrorless cameras were not optimized for higher resolution sensors? It was truly unthinkable! I just assumed they were. But apparently, they’re not. And because of that, I can no longer look at my Sony Zeiss lenses without regret.

This is not to say Sony Zeiss lenses are bad. To be perfectly frank, their ability to resolve detail on the Sony A9 is absolutely lovely – just as on the Sony A7 variant and the Sony A7S variant. However, if one were to have a high resolution camera, like the Sony A7R variant, wouldn’t it make sense to also have a lens that can fully resolve detail on that sensor? I mean, if you have a 42 megapixels camera, why get a lens than is only optimized to 24 megapixels? It would seem like such a waste.

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