Sony 21mm Ultra-Wide Conversion Lens for FE 28mm f/2 Lens

Sony 21mm Ultra-Wide Conversion Lens for FE 28mm f/2 Lens

Sony 21mm Ultra-Wide Conversion Lens for FE 28mm f/2 Lens

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Product Highlights

  • Converts 28mm Lens into 21mm Ultra-Wide
  • Transmits EXIF Data to Camera
  • Built-In Petal-Type Lens Hood
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Sony SEL075UWC Overview

  • 1Description

The 21mm Ultra-Wide Conversion Lens for FE 28mm f/2 Lens from Sony broadens the angle-of-view of the 28mm f/2 lens to 92º for an ultra wide focal length equivalence of 21mm when used with full-frame cameras. As this converter lens is uniquely compatible with the FE 28mm f/2 lens, it transmits EXIF data through the host lens to the camera. The optical design of the converter lens is comprised of 4 elements in 4 groups and when on the 28mm lens, it provides a maximum aperture of f/2.8 and a minimum manual focus distance of 7.9". When the lens is used with an APS-C E-Mount camera, the converter lens provides a 68° angle of view and a 31.5mm focal length equivalent. It is a compact addition to the 28mm lens with a bayonet mount and features a built-in petal-type lens hood.

UPC: 027242888838
In the Box
Sony 21mm Ultra-Wide Conversion Lens for FE 28mm f/2 Lens
  • Lens Case
  • Front Lens Cap
  • Rear Lens Cap
  • Limited 1-Year Warranty
  • Table of Contents
    • 1Description

    Sony SEL075UWC Specs

    Focal Length Full-Frame Camera: 21mm
    APS-C Camera (35mm Equivalent): 31.5mm
    Lens Construction 4 Elements / 4 Groups
    Angle of View Full-Frame: 92°
    APS-C: 68°
    Aperture On 28mm f/2 Lens
    Maximum: f/2.8
    Minimum: f/22
    Minimum Focus Distance On 28mm f/2 Lens
    Autofocus: 9.4" (24 cm)
    Manual Focus: 7.9" (20 cm)
    Maximum Magnification Autofocus: 0.15x
    Manual Focus: 0.20x
    Dimensions 2.8 x 2.0" (72 x 51 mm)
    Weight Not Specified by Manufacturer
    Packaging Info
    Package Weight 0.975 lb
    Box Dimensions (LxWxH) 4.85 x 4.55 x 3.8"

    Sony SEL075UWC Reviews

    21mm Ultra-Wide Conversion Lens for FE 28mm f/2 Lens is rated 4.7 out of 5 by 11.
    Rated 5 out of 5 by from A Quality Add-on for FE 28mm Owners I've used my 21mm Ultra-Wide Conversion Lens for a week now and just finished using it for Autumn landscapes this weekend with great results. I'm seeing that there is little to no IQ degradation in using it, and also find that it is much easier to remove this lens from the end of my 28mm FE f/2 than doing complete lens changes. Actually, when I want to switch I simply remove it, keep it in my hand as I take my shot when I want the longer 28mm focal length, then return it to the front of the 28mm for safe keeping as I walk about. This provides a flexibility very near that of a zoom, but really what I'd call a multi-focal length lens combo. The maximum aperture does drop to f/2.8 from f/2 when adding this conversion lens, but I haven't found that an issue, as I still consider that wide, and allows for good low light capabilities. In Lightroom, my RAW images can be adjusted to control distortion by clicking on the lens profile check box, or shoot JPEG and have it controlled automatically. The add-on conversion lens is recognized in the body and through the RAW converter as a 21mm lens and the adjustments to profile work seamlessly. For the cost, this is a highly recommended piece of kit for your Sony full frame and the 28mm FE prime. BTW, check out the quality and sharpness rating for the FE 28mm on DxOMark. It is in the top 5!
    Date published: 2015-11-02
    Rated 5 out of 5 by from Love it I love it. Keep in on my 28mm all the time.. A little scary that I cant put a filter on it but I keep the cap with me at all times.
    Date published: 2015-05-28
    Rated 5 out of 5 by from as described works well on 28mm, with sony A7sii and beholder DS1 gimbal
    Date published: 2015-12-29
    Rated 4 out of 5 by from Great Concept w/just one shortcoming This is a great concept to get a wide angle lens without having to change out a lens and carry around a heavy lens. The combo lens is on the heavy side, but weighs less overall than two separate equivalent lenses. Using the bayonet hood attachment on the 28mm lens is fast and easy. The only down side is not being able to attach a filter.
    Date published: 2018-03-12
    Rated 4 out of 5 by from easy to attach It is a really nice wide 21mm. But I wish I could put a filter on it. It is easy to attach and remove. the lens cap from the 28mm fits inside the body cap of the converter. Neat.
    Date published: 2016-04-24
    Rated 5 out of 5 by from No brainer This thing is awsome, if you think about how much it cost to get a lens in 20mm variant, it makes sense to get this one with the 35mm, you have native fe auto focus, seems to be constructed well, only looses one f stop, I love it
    Date published: 2016-05-22
    Rated 5 out of 5 by from Does what its supposed to do! Works great. Decent wide open but gets better as you stop it down. I mainly used it on my a7sii for wide shots on a gimbal. The fact that i have essentially a 21mm auto focus lens made it worth it.
    Date published: 2017-04-28
    Rated 5 out of 5 by from Everything I hope they would be and more Everything I hope they would be and more. fits nicely on the 28mm.
    Date published: 2016-11-25
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    Can it compatible with sony Carl ziees 55mm f1.8 ...

    Can it compatible with sony Carl ziees 55mm f1.8 ?
    Asked by: Sok
    I am happy with the good sharpness of the 21mm adapter for the Sony 28mm 2.0 lens. The two components were very carefully matched to act as a single lens with lens elements of each half coming close to each other without glass touching glass. I have never tried putting the 21mm on another lens that it was not designed for. If you try it and the threads do match on the 55mm lens, you should take precautions to insure that the front 55mm lens element and rear 21mm adapter elements do not touch. Even if glass elements did not touch I would be surprised if the edge sharpness would be as sharp as it is on the 28mm Sony. Wishing you the best with your experiment!
    Answered by: Anonymous
    Date published: 2019-04-26


    Does it take filters?
    Asked by: William Lad S.
    Thanks. As I suspected. Still useful.
    Answered by: William Lad S.
    Date published: 2018-08-26


    Can this attach to the FE28 if there's a UV filter on the 28?
    Asked by: Dan H.
    Answered by: Juan O.
    Date published: 2019-01-20


    What part do I need to replace the rear lens cap?
    Asked by: Paul M.
    You want a Rear Lens Cap for E-Mount Cameras, Sony part number ALC-R1EM.
    Answered by: Craig L.
    Date published: 2018-08-26


    Is this converter Dust and Moisture-Resistant Construction as is the 28mm F/2.0?
    Asked by: Michael U.
    Yes it is made of the same material as the lens as well as a continuation of the lens.
    Answered by: GERALDO M.
    Date published: 2018-08-26


    I need a replacement the front cap.
    Asked by: Hctor L.
    hello, please contact our customer support for options in replacing the front cap. 1-239-245-6360
    Answered by: Sony Support Sony Expert
    Date published: 2018-08-26


    Can one apply an ND filter to the 28mm f2 lens first (for video) and then add this on top of that so that I can shoot video in bright daylight at f2.8 with this?
    Asked by: Jamie
    Answered by: Oktay O.
    Date published: 2018-08-26


    The Sony 28 F2 has quite a bit of barrel distortion, does this ultra wide converter keep the distortion or correct it to have straight(er) lines?
    Asked by: Nicholas
    The short answer is no, the converter does not correct the distortion. However, many Sony cameras are set up to do that via software. The advantage to using this converter (as opposed to a non-Sony lens) is that the camera can detect its presence and apply a specific software solution for the lens/converter combo. Note that this will only work with JPEGs, correcting software will not be applied to RAW images in-camera.
    Answered by: WILLIAM C.
    Date published: 2018-08-26
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