Nikon AF-S 20mm f/1.8 G ED : Specifications and Opinions

Nikon AF-S 20mm f/1.8 G ED

The Nikon AF-S 20mm f/1.8 G ED is a wide-angle lens for FF and APS-C, manufactured from 2014. The focus is done by Ultrasonic AF Motor (Ring-USM), it does not have image stabilization. The average price, when it has been added to the JuzaPhoto database, is 819 €;

107 users have given it an average vote of 9.6 out of 10.

MOUNT

This lens is available with the following mounts:

Nikon F: this lens is compatible with reflex fullframe and APS-C Nikon.

Specifications
Focal lenght	20 mm
Angle of view	94.5°
Format	FF, APS-C
Max. aperture	f/1.8
Aperture blades	7
Lenses/Groups	13 elements in 11 groups
Min. focus distance	0.20 meters
Reproduction ratio	0.23x
Features
Stabilization	No
Focus	Ultrasonic AF Motor (Ring-USM)
Internal Focus	Yes
Built and notes
Tripod ring	No
Extenders	No
Filters	77 mm
Lens hood	Yes, supplied
Weather sealing	No
Weight	355 g
Dimensions	82 x 80 mm
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Reviews

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The following opinions have been automatically translated with Google Translate.

Brunobruce

sent on 24 Novembre 2025

Pros: Lightness, sharpness, 77mm filters

Cons: Indecent lens hood, cool colors but very workable file

Opinion: I tried a few wide-angle lenses (zeiss, nikon, sigma, samyang), I tried this one without expectations and it proved to be an excellent lens, both for ambient and landscape (my main use). The sharpness at f/8 is excellent from edge to edge for landscapes and large prints, f/2.8 for night shots (limits coma and vignetting) from 1.8 to f/4 excellent rendering for ambient portraits. The contrast and general rendering is that of modern lenses (Sigma ART style to be clear) and although it has slightly colder colors than Zeiss I discovered very workable files that with a minimum of PP always return a really excellent result and to my liking, not at all inferior to lenses of the caliber of the 15 and 21 Distagon. It is very resistant to flare, it can be used well in backlight, it does not vignette and does not particularly distort, so, apart from the different contrast performance compared to Zeiss, it churns out files of the highest level. The lightness compared to other lenses for me is always a preferential reason for use, which is why it is slowly replacing all the other wide angles I normally use. A pleasant discovery

Antsheed

sent on 31 Marzo 2025

Pros: Versatility, sharpness, colors, possibility of mounting screw filters (77mm),

Cons: plastic construction material and lens hood (perhaps only in my model) that tends to lock to extract it.

Opinion: There is little to say about such a lens, I think it is a must have that one must always have in hand, if we talk about wide-angle for reflex. I'm using it profitably, coupled with the Nikon Df. it was a shame not to have had it before, I would have liked to put it in the private combined with my old Nikon D7500. I really appreciate the versatility and sharpness, as well as the fact that mounted on Df it is like not having it. A hug.

Delio.vernacchia

sent on 20 Luglio 2022

Pros: Weight, colors, flare

Cons: Sharpness, distortion among the worst I've seen.

Opinion: I can not understand all these positive reviews on sharpness I consider myself a professional of the trade. I did a lot of testing has everything except sharpness especially at the edges. The sharp photos made with this lens I had to post produce so much to achieve a nice sharpness or even I have to close to F11 to have the sharpness you need in a lens of this kind. The distortion present in this lens is unprecedented in Nikon fixtures. But it manages very well the counter light in this sense is the best for this reason it kept it because finding also beautiful colors and lights managed more than very well make it a good compromise. My rating of 6 out of 10. The sufficiency for its magnificent lightness and management of the lights. I recommend buying only for landscape use where the loss of sharpness is not noticeable.

Paolo Loro

sent on 08 Giugno 2022

Pros: Extreme sharpness, excellent readability of shadows and tightness of highlights, compactness, lightness, distortion correction, price

Cons: Nothing

Opinion: A must have for Nikonists. First of all, weight and small dimensions invite you to always carry it with you, perhaps in combination with a zoom: for example, associated with the 28-300 and a fifty or a medium-bright canvas (such as the light and excellent 50 or 85 1.8) allows you to cover almost every photographic need with a manageable effort. And this is a great advantage because heavy optics always end up leaving them at home. The optical performance is excellent: as sharpness and aperture of the shadows it is superior even to less pushed and high quality optics (such as the zeiss 25 f/ 2). The color rendering is excellent. The aperture at 1.8 absolutely remarkable for a lens of this focal length, expanding its operating capabilities to all light conditions. I also own the excellent Irix 15, but in my opinion the Nikon in question is a killer, in the sense that its compactness, lightness, brightness and wide focal length discourages in most cases the use of bulky and heavy ultra-wide-angle monsters.

Abarth89

sent on 22 Marzo 2021

Pros: Weight, general yield, flare resistance, construction quality also alse plasticosa, 1.8

Cons: Cost, not tropicalized

Opinion: I have been possessing this lens for quite a while, I bought it for photo releases where I can afford to bring the REFLEX. I use it in my little ff kit which is 20 and 50 both 1.8. I preferred them to a zoom lens for weight, both are much lighter than a 24-120 for example, and it would also allow me to have an almost 85, still having much higher quality. The lens is fantastic, not too open, not too closed, easily transportable, has an excellent yield, if you then close at 2.8 from already the maximum of itself. I feel like recommending it to those who want a high-performance, light optics, which can be used in landscapes but also at night. The only negative note is the price, in my opinion too high for its range of use.

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Nikon AF-S 20mm f/1.8 G ED : Specifications and Opinions

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Photos taken with Nikon AF-S 20mm f/1.8 G ED