Rokinon 12mm f/2.8 ED AS IF NCS UMC Fisheye Lens for Canon EF Mount

Model: 12M-C

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MSRP: $399.00 ?


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Weight 18.17 oz (515.12 g)
Dimensions (DxL) Approx. 3.04 x 2.86" (7.72 x 7.26 cm)
Filter Thread None


Format Compatibility 35mm Film / Full-Frame Digital Sensor
Canon (APS-C)
Angle of View 180°
APS-C Picture Angle: 118°
Minimum Focus Distance 7.9" (20.07 cm)
Elements/Groups 12/8
Focal Length 12mm
Comparable 35mm Equivalent on APS-C Format Focal Length: 19.2 mm
Diaphragm Blades 7
Aperture Maximum: f/2.8
Minimum: f/22
Camera Mount Type Canon EF


Tripod Collar No
Autofocus No
Image Stabilization No
Expert Reviews
16 September 2015

At face value, this 12mm fisheye lens from Samyang would be good value if it was only half-decent, due to the low price and excellent build quality. The fact it is capable of producing images with outstanding sharpness and offers a unique stereographic projection, means that this lens should be high...

Lenstip com.34355424
30 December 2014

It would be difficult to asses the Samyang 12 mm f/2.8 ED AS NCS Fish-eye unambiguously. On the one hand it provides a sensational image quality in the frame centre; on the other hand its resolution on the edge is hardly impressive.

  • +

    sensational image quality in the frame centre,, good correction of longitudinal chromatic aberration,, no symptoms of spherical aberration,, moderate astigmatism,, negligible vignetting on APS-C/DX,, very good work against bright light.

  • -

    weak image quality on the edge of the frame,, too high level of lateral chromatic aberration.

User Reviews
5 September 2018

This is my first non-Nikon, manual focus lens. While certainly not as point&shoot as Nikon, it forms excellent images.This is also my first fish-eye lens which offers its own challenges. With 180 capture, I had several images with my own feet or hands in the images.

10 April 2018

Rokinon is known for making inexpensive lenses that are very sharp and this one is no different. While it is a flimsy build, I'm only planning on using it occasionally for astro photography and possibly some architectural work. So for this is a very impressive lens.

17 July 2017

My other ultra WA is Nikon's 14mm AF-D F 2.8. I wanted to go 180 degrees and decided to get this Samyang. No disappointment optically and mechanically, especially considering the price.

27 April 2015

I'm going to be using this lens primarily for landscapes, cityscapes and some astro photography. This lens has an incredibly wide field of view, with excellent image quality. I'm using this lens with a canon 5d III and I've included some unedited examples on how sharp the edges are!

13 January 2015

The very first shots I made on my Canon 5Diii and 70D, I knew I had made the perfect choice for this lens. Yes, it's totally manualfocus and aperture, but then I pretty much shoot in manual mode 99% of the time. Images are sharp and delivers the wide angle I expected.

Product Highlights
  • Canon EF Mount Lens/ Full-Frame Format
  • Aperture Range: f/2.8 to 22
  • Three Extra Low Dispersion Elements
  • Two Aspherical Elements
  • Nano Crystal and UMC Lens Coating
  • Manual Focus & Manual Aperture Lens
  • 180º Angle of View
  • Minimum Focus Distance: 7.9"
  • Included Petal-Shaped Lens Hood
Average Expert Score
Average User Score
In The Box
  • Rokinon 12mm f/2.8 ED AS IF NCS UMC Fisheye Lens for Canon EF Mount
  • Removable Petal-Shaped Lens Hood
  • Front Lens Cover
  • Rear Lens Cap
  • Limited 1-Year Warranty
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