Sony E 20mm f/2.8 Lens

Sony E 20mm f/2.8 Lens

Sony E 20mm f/2.8 Lens

B&H # SO2028Q MFR # SEL20F28
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Product Highlights

  • E-Mount Lens/APS-C Format
  • 30mm (35mm Equivalent)
  • Aperture Range: f/2.8 to f/16
  • Three Aspherical Elements
  • Pancake Design
  • Rear Focus
  • Minimum Focus Distance: 7.9"
  • Seven-Blade Circular Diaphragm
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Sony 20mm f/2.8 overview

  • 1Description

Begin your wide-angle journey with the E 20mm f/2.8 Lens from Sony, a super compact "pancake" lens designed for APS-C-format E-mount cameras where it provides a 30mm equivalent focal length. It offers shooters a fast f/2.8 aperture for use in low light and for creating images with a shallow depth of field. Benefitting image quality are three aspherical elements to minimize the appearance of aberrations while a rear focusing design improves autofocus speed and helps reach a minimum focus distance of 7.9". Additionally, the lens is equipped with a seven-blade circular diaphragm for smooth, rounded bokeh.

With its pancake design, the lens only extends 0.8" from the mount, resulting in a compact and lightweight camera system.
Optimized for APS-C-format cameras, this compact 20mm lens offers a wide-angle 30mm equivalent focal length.
The fast f/2.8 maximum aperture permits operation in less-than-ideal lighting situations and allows photographers to capture images with shallow depth of field.
Three aspherical elements are incorporated in the lens design to reduce astigmatism, field curvature, coma, and other monochromatic aberrations.
The lens uses a rear focusing design that contributes to faster autofocus performance as well as a minimum focus distance of 7.9".
Rounded seven-blade diaphragm contributes to a pleasing bokeh quality when employing selective focus techniques.
UPC: 027242865976
In the Box
Table of Contents
  • 1Description

Sony 20mm f/2.8 specs

Focal Length 20mm
Comparable 35mm Focal Length: 30 mm
Aperture Maximum: f/2.8
Minimum: f/16
Camera Mount Type Sony E
Format Compatibility APS-C
Angle of View 70°
Minimum Focus Distance 7.87" / 20 cm
Magnification 0.12x
Maximum Reproduction Ratio 1:8.3
Optical Design 6 Elements in 6 Groups
Diaphragm Blades 7, Rounded
Image Stabilization No
Autofocus Yes
Tripod Collar No
Filter Thread Front: 49 mm
Dimensions (DxL) 2.46 x 0.80" / 62.6 x 20.4 mm
Weight 2.43 oz / 69 g
Packaging Info
Package Weight 0.4 lb
Box Dimensions (LxWxH) 3.5 x 3.5 x 3.3"

Sony 20mm f/2.8 reviews

E 20mm f/2.8 Lens is rated 4.5 out of 5 by 33.
Rated 4 out of 5 by from Good value lens I purchased this lens at the same time as my a6300, looking for a compact lens I could use while traveling. The effective 30mm length is a nice middle of the road length for me, allowing for landscapes, street, and environmental portrait photography. The lens is relatively sharp for the price, and has decent bokeh wide open. There is quite a bit of barrel distortion and vignetting with this lens, but the default profile in Lightroom has no problem making quick and accurate corrections. In medium to well-lit situations AF is very fast, quiet, and accurate in all modes I have tested. Low light performance is middle of the pack for an f/2.8 lens, with auto focus slowing noticeably (but remaining usable). In low light the a6300's Eye-AF mode can also struggle to find its mark, and it was easier to just switch to another focus mode than repeatedly hunt. All things considered, this is a great lens for the price.
Date published: 2016-09-12
Rated 5 out of 5 by from Great lens for a5000, a5100, a6000, and a6300 This lens is is a fantastic lens for APS-C E mount cameras. Sharp across the frame and is small! This lens has a 30mm (35mm full frame equivalent) view and is lovely. This lens stays on my a6000 99% of the time. If you are trying to find a nice lens to walk around with or shoot the family without adding bulk to your already fantastic Sony camera, this would be the lens. PS Skip the 16mm version because it stinks.
Date published: 2016-04-23
Rated 5 out of 5 by from Tested it and found as the best lens for a6500 I've tested and compared with other lenses mounted on a6500. I took the same 4K video shot in the same enviroment. Sony-Zeiss 16-70/4 Sony Kit lens 16-50 Sony 10-18 Sony 20/2.8 I've watched at all video clips on BenQ BL3201PH CAD CAM Professional Monitor 32, nVidia GTX 980. My conclusion: The best, the sharpest and very steady (!!!) is Sony prime lens, the E20mm/f2.8.
Date published: 2017-07-21
Rated 4 out of 5 by from Fun With a Prime Lens This lens was purchased to photograph in subway stations with limited lighting. I'm getting used to prime lenses. The 20mm focal distance and wide angle view are great for tight spaces where the option isn't there for backing up to capture more in the frame. There seemed to be a problem with having a direct line of sight that resulted in shooting off the horizontal.Hopefully, Lightroom's lens profile correction will take care of what was captured before compensating. The colors seemed to be a bit more saturated than with the other lenses.
Date published: 2017-06-11
Rated 4 out of 5 by from Excellent at Being What It Is I primarily use an NEX-6 (which I absolutely LOVE!). On my NEX-6, Sony's 35/1.8 is my primary walking-around everyday lens... but sometimes, you need something a little bit wider to take in the full scope of what you're looking at. That's why I got the 20/2.8, and it excels at that purpose. Is this the sharpest lens Sony offers? Nope. But it's a pancake lens, after all, so I wasn't expecting it to be - and neither should you. What it is is reasonably sharp, even at the edges of the frame; unless you're a pixel-peeping sharpness fanatic, I'd anticipate that you'll be pleasantly surprised at and satisfied with the level of sharpness this lens can deliver (more on that in a moment). If you feel that you need extreme center sharpness, there's always the Zeiss 24mm... at nearly three times the price. I shot a couple hundred frames with the 20/2.8 before I decided that I liked it - honestly, for the first fifty frames or so, I was pretty sure I didn't like it. From that experience, I have a few points to make that may shorten your adjustment curve and help you love this lens straight out of the box... to start with, be aware that this lens focuses very accurately in good light, but will frequently only focus good enough in lower light situations. To compensate and achieve precise focus in less-than-optimum light, here's what I learned that I needed to do: set the focus point at Center; keep the focus mode set at DMF so I can fine-tune the focus (if desired) after AF-lock in anything other than outdoors/daylight; enable 2-second MF Assist so the image is briefly magnified while I'm fine-tuning the focus; enable focus-peaking so that I can quickly confirm that the area of highest contrast is, in fact, what I meant to have in focus (through trial and error, I've found that Red/Medium is the all-around best highlight setting for me - White often got lost in daylight). A few more things... the focus motor is quiet, which I appreciate, and very fast, which I also appreciate. There is broad depth of field, except with VERY close subjects (this IS a WIDE prime after all!), so expect minimal background and foreground defocus (as you should; this IS a WIDE prime, after all!). As to getting a good shot with a wide prime, there's an old saying with news/street photogs - f/8 and be there. Well, not with this lens. In my opinion, it's f/4 and be there, or maybe f/5.6 if you must. That's the range where I think this lens best balances sharpness with depth of field. Finally, and not inconsequentially, is the included lens hood. It's design is simply brilliant! I really wish Sony had something just like it that would fit the 35/1.8! The lens hood is essentially a bayonet-mounted lens CAP with a 16:9 ratio horizontal opening just large enough for the lens to cover the sensor. It's threaded externally on its front so you can attach filters or the (also-included) lens cap directly to the hood and without having to remove the hood - in fact, you should NEVER have to remove this hood at all, except perhaps to periodically clean the lens - and you really won't need the lens cap, since the hood does a remarkable job of protecting the lens; better, I suspect, than any other lens hood ever made. Nice touch, Sony - really! (Now how about offering a hood like this for the 35/1.8? No, seriously... how 'bout it, Sony?) Bottom line: I love the Sony 35/1.8 lens - if you don't have one, get one; you'll love it too. If you, like me, also need something a little wider now and then, this is it: I definitely recommend the Sony 20/2.8.
Date published: 2013-05-05
Rated 4 out of 5 by from Compact and Unobtrusive Affordable and slim little piece of glass! Reads like a 35mm on the full-frame Sony A7RII, but is a great everyday focal length. Pared with the compact body of the Sony, this little camera/lens combo is a winner.
Date published: 2016-07-11
Rated 5 out of 5 by from Signature Look I absolutely love this lens! This lens has not come off my camera since I first took it out of its packaging. Focal length is subjective, but for me, this lens effectively renders compositional framing right in my sweet spot (effectively, 28mm-30mm). The lens handles well. And, the hood that so many so roundly criticize, I find to be a useful and welcome included accessory. Image quality with this lens is very much to my liking, and this lens captures images with a signature look to them, especially when used wide open. Sharpness is impressive - the lens is very sharp, but not clinically so. Focus response is super fast. When shot at the widest aperture of f/2.8, the images taken with this lens exhibit a pronounce vignetting. I love this look and so I shoot this lens, nearly exclusively, wide open, to get it. My rating is five stars, because this has become my go to lens on my NEX-6 and A6000. Honestly, when I got this lens, I mounted it on the NEX-6, and it has not come off since; I also have very rarely shot the A6000 since then. The A6000 has a Sony FE 28mm f/2 lens, which is also a great lens. For those who want to avoid vignetting and a signature look, perhaps another lens would be better. As for me, I like a lens with some character, and this one has it in spades!
Date published: 2016-06-22
Rated 5 out of 5 by from Sharpness is a Bourgeois concept anyway I've been using the Zeiss 24/1.8 which btw is not sharp at 1.8 or 2.0 and starts to get there at 2.2 and beyond. And I've been using all the Zeiss primes for the A7r and A7s, and over the years Ive owned a fes ASPH Leica, Kern, Zeiss, Rodenstock and Schneider Kreuznach optics as well as using Cooke lenses for cinematography. I've also tested and calibrated optics on a collimator too, so I think I can safely say that I know what a lens needs to be. So lets call a spade a spade here; Within the parameters of a 2.8 pancake lens, the SEL20F28 is an outstanding lens at 2.8. Its as sharp as the Zeiss 24/1.8 SEL24F18Z at 2.8. Its also as sharp as the Zeiss 35/2.8 SEL35F28Z for the A7 series cameras. Its not as sharp as the 55/1.8 SEL55F18Z, because that lens is quite mind blowing. Having a field of view of a 30mm in FF terms, give the freedom of visual breathing space like a 28, without the distortion of a 28. It recedes like a 28 without any of the perceptive angular distortion: it looks like a 35mm for its complete LACK of distortion, but its wider. It reminds me of the Leica 24/2.8 Elmarit-M, a 24mm lens with no perceivable angular distortion (it shot like a 50 or 60 macro for its flatness of field). Our little gem here vignettes, and its got barrel distortion, but we never see that because if we are smart we use smart software to compensate for that, so in effect those issues do not exist. What we do see is that it smears at the extreme 10% edges left and right, buts ok because generally I point the lens at the subject and use the center 60% 99.99% of the time. It will take a standard B+W MRC under the hood. And if you want to add a Polarizer, or any other 49mm threaded filter or step-up ring, you can, using the threads on the outside of the hood. I wish more manufacturers would make hoods like this, or the reverse hood on the SEL35F28Z for the A7 series. It's so nice and wee. Fuji did a nice job with their 18 and 35 metal hoods when the X-Pro 1 came out. It would have been nice if they had made the focus ring overlap part of the body of the lens giving the fingers an additional 3mm purchase. Ive modified my lens by adding a 3mm strip of PU plastic behind the focus ring and bonded a 5mm strip of the same material to the actual focus ring itself so that I can manually focus the lens more easily. I tried a cable tie but the nub gets lost because the lens is a focus by wire design. For video work, the AF is silent, except when using onboard microphones in a silent room. It behaves well with the AF drive speed and Tracking duration on the A6000. I'm excited to see how it works on the A6300.
Date published: 2016-02-09
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Sony 20mm f/2.8 Q&A

Sony 20mm f/2.8 accessories

Designed for use with:

  • Hasselblad Lunar
  • Sony NEX-EA50M
  • Sony PXW-FS5
  • Sony PXW-FS7
  • Sony PXW-FS7M2
  • Sony Alpha A5000
  • Sony Alpha A5100
  • Sony Alpha A6000
  • Sony Alpha A6300
  • Sony Alpha A6500
  • Sony Alpha NEX-7
  • Sony Alpha a5100
  • Sony Alpha a6500
  • Sony NEX-EA50M
  • Sony NEX-EA50UH
  • Sony NEX-FS700R
  • Sony NEX-VG30
  • Sony NEX-VG900
  • Sony PXW-FS5
  • Sony PXW-FS5M2
  • Sony PXW-FS7
  • Sony PXW-FS7M2
  • Sony QX1
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