The Economist article on mirrorless cameras

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Jerry Fusselman
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Re: The Economist article on mirrorless cameras
In reply to forpetessake, 2 months ago

forpetessake wrote:

Jerry Fusselman wrote:

JonTafferOfPhotography wrote:

that said, I think we are several years (3-8 years or more) away from mirrorless cameras that perform (viewfinder/AF) in low light like a DSLR.

Which DSLR performs as well in low light as a Sony alpha a7s?

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Jerry Fusselman

The A7s looks similar to Nikon Df or that Canon sensor, that was announced a year ago, which was able to shoot in very low light. Why do you think it will perform any differently? The raw sensor performance of all of those cameras is pretty much the same as any other modern FF sensor. I'm sure A7s raw files won't be much better in terms of noise than A7 or A7r, unless Sony cooks them. You can't violate the laws of physics, all modern FF sensors are less than 1 stop from the physical limit (an ideal sensor). Their low light capabilities are all about the noise reduction.

According to DXOmark, the a7r sensor already beats every Canon camera (I own mostly Canon equipment) in low-light ISO performance.  The a7s sensor is going to blow the a7r sensor out of the water for low-light performance.  It is not easy to imagine Canon or Nikon catching up this year.

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Jerry Fusselman

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