OM System M.Zuiko Digital ED 20mm f/1.4 PRO : Specifications and Opinions

Reviews

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The following opinions have been automatically translated with Google Translate.

Innerlight

sent on 03 Luglio 2025

Pros: Impeccable build quality, Excellent sharpness already at TA in the center, Color rendering and microcontrast characterized by vivid colors, Ideal compromise between aperture and compactness, Soft and creamy aspherical bokeh, Fast, quiet and precise AF, Distortion and aberrations practically absent.

Cons: Not cheap price for an f/1.4 in MFT format, Absence of the MF clutch, Vignetting visible at f/1.4 in raw, Sharpness at the edges slightly below the top of the PRO range, "cinematic" rendering, which you may like or not.

Opinion: The 20mm f/1.4 PRO is a lens that comes from a clear vision: to offer PRO series quality in a slimmer and lighter body, designed for those who photograph in the field, on the move, and do not want to carry around gigantic glass. The tropicalized and compact metal barrel weighs only 247g, but never gives the impression of being a toy. It's super balanced on bodies like the OM-5/E-M5 III or E-M1 III, and it's the classic lens that you can always leave on without getting tired. From an optical point of view, the central sharpness is surprising already at f/1.4, but what is striking is the overall rendering of the image: three-dimensionality, color fastness, and a bokeh that, despite being on MFT, has an almost analog delicacy. The 20mm focal length, which corresponds to a 40mm equivalent, is a middle ground that may seem strange, but which becomes a very expressive tool if you accept its language: perfect for those who want to tell urban scenes with a minimum distance from the subject, without obvious distortions, or for those who love the intimacy of set portraits. If we compare it to the 17mm f/1.2 or the 25mm f/1.2 PRO, the 20mm f/1.4 is much more portable, less demanding in price, and maintains a PRO quality throughout. However, the clutch for manual focus is missing, one of the most loved Olympus goodies by those who do video or contemplative photography. In terms of optical defects, we are in reassuring territory: very little distortion, chromatic aberrations under control, vignetting present but corrected via software. The edges aren't razor-sharp at f/1.4, but they improve quickly when you just close the aperture.

Rafx24x

sent on 20 Luglio 2023

Pros: brightness, size, yield

Cons: It is not a lens like many others, it has its own particular yield but it is not an edge-to-edge blade.

Opinion: Taken to take with me on vacation coupled with m1 mark 3 and 12-100 f / 4, with the zoom I would have done everything and more during the day, I needed a fixed light for the evening but that eventually I could also use indoors with little space. Undecided between this, leica 25mm 1.4 II and sigma 30 1.4, the choice fell on 20mm because of its focal length that best suited my needs. Moving on to his surrender, looking at the photos taken in the evening in San Benedetto del Tronto, it is cmq promoted. At TA its yield is very honest in the center if the subject is half bust, if further away instead loses a bit of detail, at 1.8 instead improves the center and for my taste has done its duty. In fact I didn't care if at f/2.8-4 it was an edge-to-edge blade, so I would have always used it only ever at f/1.8. Having had the leica 25 1.4, the yield at TA is very similar, but then the leica is always sharper, at f/2.8 it is definitely sharp from edge to edge. This om-system is different, I can safely say that if I compare to f/4 the 20mm and the 12-100 pro, the zoom is sharper at the edges and identical at the center at the fixed, the leica instead outclassed the 12-40 pro at 25mm at f/2.8. But in my case, I'm happy with its yield and its focal length, in interiors between 40 and 50mm equivalent the difference can be seen. So small, bright and not too expensive (new 550 € about), if you need a fixed bright where in the center does its duty, is him. With 12-100 and 56 1.4 formed me a nice triad to keep in one bag.

Coino82

sent on 23 Maggio 2023

Pros: build quality, tropicalization, weight.

Cons: For now, none.

Opinion: I bought, the 20 mm f1.4 lens used, to replace my 17 mm f1.8, because I wanted a tropicalized all-rounder lens. The 20 mm in fact compared to an FF format corresponds to a 40 mm, thanks to the atypical format, it is placed among the most used lenses such as 35 mm and 50 mm in FF format, so thanks to its field of view of 40 mm in FF format, it is an all-rounder lens that allows you to make excellent portraits and landscapes with a single Pro optic. Already from the first shots, you can see the huge difference in image quality, compared with the 17 mm f1.8, in addition to a greater sharpness, returns excellent colors and a nice blurred effect. I use the 20 mmf1.4 lens paired with my Olympus OM-D 5 MIII.

Cannondale

sent on 15 Maggio 2023

Pros: Quality construction, dimensions, AF, jamming, tropicalized

Cons: nobody

Opinion: Very nice optics, very versatile 40mm field of view. Thanks to the 9 blades of the diaphragm (rarity in the micro43 field) it offers a nice blurred effect at full aperture and thanks to the little contrast (but sharp) returns beautiful plastic images. Closing it becomes a blade. More unique than rare case in the micro43 panorama also has a beautiful starry closing the diaphragms. Very versatile, it lends itself well to many genres, from streeth to landscape to set portrait. Combined with a tropicalized body you go to war.

Emanuele Lucchetti

sent on 17 Novembre 2022

Pros: Build and optical quality - Ergonomics and compactness

Cons: Nobody

Opinion: One of the new lenses made by OM Digital Solutions and branded OM System. Robust with excellent build quality. Even the color rendering is beautiful on panoramas and light reflected on the water. I am not an expert in "landscape" photography but I can say that this 20mm f/1.4 lens gives a lot of satisfaction in the field especially when combined with the latest E-M1 Mark 3 cameras or the new OM-1.

1cesar

sent on 30 Agosto 2022

Pros: Overall rendering, sharpness, compactness, image naturalness, focus speed

Cons: none for now

Opinion: Taken for a couple of weeks and flanked on OM1 at 17 1.2 and 20 pana... in the end I kept only this. Perhaps slightly less sharp than the 17, but without a doubt the image it produces is less artificial, it is correct, but it comes out natural, in the 17mm everything seems settled, everything more rigid. The 20 pana has the classic rebounds of fire that this is not even dreamed of, beautiful beautiful, beautiful colors, makes even very low light enhancing the contrasts. An exemplary perspective.