Zeiss Loxia 21mm f/2.8 Lens for Sony E Mount

Model #2131-999

USA Version
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Filter Thread Front: 52 mm
Weight 13.90 oz (394 g)
Dimensions (DxL) Approx. 2.44 x 2.83" (62.1 x 72 mm)


Minimum Focus Distance 9.84" (25 cm)
Angle of View 91°
Format Compatibility 35mm Film / Full-Frame Digital SensorAPS-C
Camera Mount Type Sony E (Full-Frame)
Aperture Maximum: f/2.8Minimum: f/22
Focal Length 21mm
Elements/Groups 11/9
Maximum Reproduction Ratio 1:7.81


Autofocus No
User Reviews
B h photo.32817553
14 March 2016

Sharp! I sold my Sony Zeiss 16-35 2.8 to purchase this lens and I made the right decision. I would have preferred auto focus but can live without it. I use this lens for architecture and landscape. The best image quality achieved at f8.

9 April 2014

A masterpiece. Manual focus is not a negative. At this focal length the depth of field is so deep that it can be a grab and shoot lens if you need it to be. What's not said in the description and, in my opinion, should be, is that with your Sony camera the fstop can only be set with the aperture...

B h photo.32817553
24 January 2017

Sharp, well built. Great for a7 series

B h photo.32817553
18 January 2017

Great product, works perfect with A7R2. Love how it renders lights, very good built. Easy to focus. Aperture can be changed accidentally when unmounting the lens from camera. Images are great from it

B h photo.32817553
11 December 2016

I use this lens primarily for traveling. I can tell you the lens is incredibly sharp on the A7rii brings out more detail than i could've imagine. The lens also has very accurate and contrast colors, slightly on the cooler side, but can also be tweaked in Lightroom/photoshop later if you don't like...

B h photo.32817553
10 November 2016

I've heard so many good things about the Loxia 21 compared to the DSLR version, the Distagon 21/2.8, that I've been using on my A7RII. I expected the Loxia to be better, but...what a difference. Center sharpness is similar, although I'd say with a slight edge to the Loxia.

B h photo.32817553
27 July 2016

This lens shoots beautifully sharp images with great colors. The build is also excellent. Has a nice weight and handle. Def recommend for anyone looking for a lightweight, superb lens with manual controls.

B h photo.32817553
10 July 2016

The Good: Sharp images, very little distortion, nice colors, fast, compact and fun to use (I am an amateur photographer)The Bad: As other reviewers stated, a little tricky to connect to camera housing due to weather sealing and limited grip area.

B h photo.32817553
5 July 2016

This is an expensive lens, by my standards, but the first I've found that takes every advantage of the 42-megapixel sensor in my Sony A7rII. It is crisp from corner to corner, even wide open, and the color and contrast are a revelation.

B h photo.32817553
12 May 2016

Very sharp, better than the Zeiss 25/2. Which wasn't as sharp as my adapted Canon 16-35 f/4. For precise focus On the A7r2, I focus wide open in "A" mode w/magnified view & stop down to expose. Not ideal! I would have preferred auto aperture. Off of the tripod I zone focus using the distance scale.

Product Highlights
  • E Mount Lens/Full-Frame Format
  • Aperture Range: f/2.8 to f/22
  • Distagon Optical Design
  • 4 Anomalous Partial Dispersion Elements
  • 1 Aspherical Element
  • Zeiss T* Anti-Reflective Coating
  • Manual Focus Design
  • Manual Aperture Ring Can Be De-Clicked
  • All-Metal Barrel, Engraved Scales
  • Weather-Resistant Lens Mount Gasket
In The Box
  • Zeiss Loxia 21mm f/2.8 Lens for Sony E Mount
  • 52mm Front Lens Cap for Touit and Loxia Lenses
  • Rear Lens Cap for Loxia E-Mount Lenses
  • Lens Hood
  • De-Click Key for Loxia Lenses
  • Limited 2-Year Warranty
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