Sony 20-70mm f/4 G Review: A Mostly Excellent Zoom Lens
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As the mirrorless camera market hits its stride and companies have caught up on their typical prime and zoom lens offerings, we see new offerings in non-traditional focal lengths.
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Sony says these tiny motors are primarily responsible for the size savings, but that hasn’t kept Sony from putting high-end optics in this lens.
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While I can change the aperture with the rear thumb dial without an on-lens-ring, there’s no way to select Auto aperture with this setup.
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The lens is very comfortable to hold and use, although the small size makes things more cramped when wearing gloves.
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As a reminder, I’ve never been a fan of f/4 lenses, but I’m willing to change with the times. Lens design has improved markedly over the last few years, and this lens is a perfect example of how sound engineering can overcome bad reputations.
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On more typical wide-angle shots, distortion is nearly non-existent in the center of the frame and the detail in these areas is spectacular. This forty-second exposure has a remarkable amount of detail thanks to the a7R V’s 61-megapixel sensor.