Winner: Sony FE 20mm F1.8G
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Winner: Sony FE 20mm F1.8G

The Sony 20mm F1.8G takes the top spot in our awards for prime lens of the year thanks to the fact that it's nearly optically flawless. It’s sharp enough wide open to pair with the high-resolution 60MP a7R IV, with nearly no lateral or longitudinal chromatic aberration to speak of - particularly impressive for a lens of this type. Bokeh is smooth with no onion rings or bright edges. Nine aperture blades ensure smooth out-of-focus highlights even as you stop down, and for astrophotographers, there’s minimal sagittal flare or coma.

Autofocus is extremely speedy thanks to XD (extreme dynamic) linear focus actuators. Distortion and vignetting are also well-controlled and easily fixed in post-processing. The only flaw we can find really is a tendency to flare and ghost, but that’s excusable for a lens of this type and considering its lack of other optical aberrations.

As the most well-corrected lenses of this type that we’ve ever seen, the Sony 20mm F1.8G easily wins our prime lens of the year.

Read more about the Sony FE 20mm F1.8G