Sony 20mm f/2.8 : Specifications and Opinions

Sony 20mm f/2.8

The Sony 20mm f/2.8 is a wide-angle lens for FF and APS-C, manufactured from 2006 to 2021 (discontinued). The focus is done by In-camera AF motor, it does not have image stabilization. The average price was 499 €;

6 users have given it an average vote of 8.3 out of 10.

MOUNT

This lens is available with the following mounts:

Sony A-mount: this lens is compatible with reflex fullframe and APS-C Sony A-mount.

Specifications
Focal lenght	20 mm
Angle of view	94.5°
Format	FF, APS-C
Max. aperture	f/2.8
Aperture blades	7
Lenses/Groups	10 elements in 9 groups
Min. focus distance	0.25 meters
Reproduction ratio	0.13x
Features
Stabilization	No
Focus	In-camera AF motor
Internal Focus	Yes
Built and notes
Tripod ring	No
Extenders	No
Filters	72 mm
Lens hood	Yes, supplied
Weather sealing	No
Weight	285 g
Dimensions	78 x 54 mm
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Reviews

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The following opinions have been automatically translated with Google Translate.

Linuxxx

sent on 29 Giugno 2022

Pros: compact. lightweight, sharp, price (Minolta), AF

Cons: sharpness and vignetting at TA, manual focus

Opinion: I own the old Minolta version that is in all respects the Sony apart from the brand, having said that I use it a lot on I am A850 and on A900 (same machine in practice) and I must say that I feel great for being a super wide angle, the landscapes are its strong in my opinion where if you move around F4 or a little further it becomes sharp, then over F 6.3 becomes a razor, personally I use it to these diaphragms and I never move to 2.8 also because I like to shoot with adequate luninosita and never in the evening, but I must say that among all the GAs I have (Canon especially but also some Nik) this for me is what I prefer as a yield, moreover it is very compact in terms of length and also the weight is not excessive. For me the only real flaw is the focus ring that is really small and placed very forward, with hood mounted (mandatory to avoid the typical flare from GA) is unusable, but this I think is wanted as this series of Minolta lenses was designed for their autofocus machines (the first in the world with this system) so they wanted to discourage the use of manual fire, which moreover I find not very useful on a lens like this since it is really fast and accurate in focusing

Alessandro Bertoglio

sent on 01 Agosto 2018

Pros: Sharpness (see feedback field), maximum brightness 2.8, very fast and precise focus. Quite sturdy but light. Very suitable for creative shots. His alter ego, branded Minolta, is conveniently priced in the second-hand market.

Cons: The sharpness at the edges at full aperture could be better. Vignetting At Large openings

Opinion: My review is based on my experience with Sony at 850 using my old Minolta 20 mm 2.8 from which Sony has drawn the optical and mechanical design of its goal: in short, the Sony and the Minolta are exactly alike (the only difference is in the cost)! The aperture optics provide the image center sharp enough but the extreme edges are not exactly so, also, at large openings, the vignetting becomes visible. The sharpness in the center and the edges and the vignetting improve a lot when the aperture is decreased. In my experience this lens works at the top between f/5.6 and F/8 (I recommend a good f/7.1) thus obtaining a noticeable sharpness. At F/11 the image returned is equally good while, closing to f/16, cause diffraction, the decrease in resolve is noted a little. The colors are very good, as is the auto focus, really fast and very accurate. The optics, in the hands, transmits a sense of great robustness and good design. It is a lens that, when used on full frame, allows very varied creative photos playing with the perspective. Is it worth the price requested by Sony? In my opinion yes even if I invite you to look for the old Minolta in good condition. In short: For the photographs that will allow you to get is a very helpful goal! It's always a wonderful experience to see and take back the world with a super wide angle..

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Sony 20mm f/2.8 : Specifications and Opinions

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Reviews

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Photos taken with Sony 20mm f/2.8