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Sony FE 20mm f/1.8 G Lens Review - Performance

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Sony FE 20mm f/1.8 G Performance

Sharpness is impressive, and even when shooting at f/1.8 the centre of the image is very sharp, with sharpness dropping off towards the corners of the frame. In our shots, with the lens stopped down further to f/5.6 and to f/9, the level of sharpness on offer was outstanding, with sharp detail right into the corners of the frame. As you stop down the lens further, diffraction begins to soften the image, when using an aperture of f/16 and onwards.

Sony FE 20mm f/1.8 G Sample Photos

Chromatic aberration - this can be corrected with the camera's built-in Chromatic Aberration compensation switch. For our test photos, we left this switched off, and found that chromatic aberration was well controlled, only noticeable in areas of high contrast, such as trees against a bright sky.

Falloff (vignetting) is most noticeable when shooting with the lens "wide-open" at f/1.8 or f/2.0. As you stop down then vignetting is reduced noticeably at f/2.8, and then by f/5.6 much reduced. Using the camera's built-in shading compensation did not make much noticeable difference, however, there was a slight improvement in image brightness. For our test images, we left this switched off (unless stated otherwise).

All Lens Correction Off | 1/160 sec | f/1.8 | 20.0 mm | ISO 100 All Lens Correction On (vignetting, chromatic, distortion) | 1/160 sec | f/1.8 | 20.0 mm | ISO 100
Correction Off | 1/160 sec | f/1.8 All Lens Correction On | 1/160 sec | f/1.8

Distortion is minimal, and difficult to see in most photographs, depending on your subject. This, again, can be taken care of using the camera's built-in distortion compensation. For our test images, we left this switched off. With this switched on, there is a slight improvement in straight lines, with reduced distortion.

With a close focusing distance, the lens is capable of taking good close-up images, which can result in very pleasing bokeh and background blur.

In the majority of shots flare resistance was very good, however, if shooting with a very bright light source in the frame, such as the sun, then flare can be seen in the image.


Sony FE 20mm f/1.8 G Aperture range

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josa 8 25 Czech Republic
29 Jun 2020 3:02PM
No more sharpness charts???

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30 Jun 2020 10:30PM

Quote:No more sharpness charts???

No signatory either.

A poorly edited draft ("Highly Recommend").
1 Jul 2020 1:15PM
Typo corrected, thanks for pointing this out.

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