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Samyang / Rokinon 12mm F2.8 ED AS NCS Fisheye

Canon EF

Samyang / Rokinon 12mm F2.8 ED AS NCS Fisheye

Focal length
12 mm
Aperture
f/2.8
Weight
515 g
Filter diameter
–
Min. focus distance
20 cm
Length
72.7 mm

At a Glance

With an extremely wide diagonal view on full frame, this 12 mm fisheye for Canon EF is built for unusual perspectives. Straight lines are rendered curved. The maximum aperture is f/2.8 and the minimum focus distance 20 cm, with manual focus and a manual aperture ring. It weighs 515 g and suits creative shots and action.

Good for

  • Creative
  • Action

Worth knowing

  • Fisheye projection: straight lines away from the center are rendered curved.
  • No autofocus: focusing is manual only.

Derived from the manufacturer data, not from our own tests. How we check

Technical Specifications

Min. focal length
12 mm
Max. focal length
12 mm
Max. aperture (min. zoom)
f/2.8
Max. aperture (max. zoom)
f/2.8
Min. aperture
f/22
Elements
12
Groups
8
Weight
515 g (1.14 lb)
Filter diameter
–
Min. focus distance
20 cm (7.87 in)
Length
72.7 mm (2.86 in)
Diameter
77.3 mm (3.04 in)

Manufacturer data: rokinon.com, samyanglens.com

Last checked: October 13, 2026 (against the manufacturer data) · How we check

Simulate depth of field and angle of view

Compare with other lenses

Which cameras does the Samyang / Rokinon 12mm F2.8 ED AS NCS Fisheye fit?

The Samyang / Rokinon 12mm F2.8 ED AS NCS Fisheye is a full-frame lens for Canon EF cameras. On full-frame bodies it uses the whole sensor; on APS-C Canon EF cameras its field of view equals 19 mm in full-frame terms.

Canon EF cameras

With the Canon Mount Adapter EF-EOS R the lens can also be used on Canon RF cameras.

With the Canon Mount Adapter EF-EOS M the lens can also be used on Canon EF-M cameras.

Samyang / Rokinon 12mm F2.8 ED AS NCS Fisheye compared

Key specs side by side with the most similar Canon EF lenses.

LensSamyang / Rokinon 12mm F2.8 ED AS NCS FisheyeVenus Laowa 12mm F2.8 Zero-DTTArtisan 11mm f/2.8Samyang / Rokinon 14mm F2.8 ED AS IF UMC
Focal length12 mm12 mm11 mm14 mm
Max. aperturef/2.8f/2.8f/2.8f/2.8
Weight515 g609 g436 g550 g
Filter diameter––––
Min. focus distance20 cm18 cm25 cm28 cm
Length72.7 mm83 mm87 mm96.1 mm
Autofocusnononono
Image stabilizationnononono
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Samyang / Rokinon 12mm F2.8 ED AS NCS Fisheye: FAQ

Does the Samyang / Rokinon 12mm F2.8 ED AS NCS Fisheye have autofocus?

No, the Samyang / Rokinon 12mm F2.8 ED AS NCS Fisheye has no autofocus; you focus it manually.

Does the Samyang / Rokinon 12mm F2.8 ED AS NCS Fisheye have image stabilization?

No, the Samyang / Rokinon 12mm F2.8 ED AS NCS Fisheye has no stabilization of its own. On cameras with in-body image stabilization (IBIS) the image is still stabilized.

How much does the Samyang / Rokinon 12mm F2.8 ED AS NCS Fisheye weigh?

The Samyang / Rokinon 12mm F2.8 ED AS NCS Fisheye weighs 515 g. It is 72.7 mm long with a diameter of 77.3 mm.

How close can the Samyang / Rokinon 12mm F2.8 ED AS NCS Fisheye focus?

The minimum focus distance of the Samyang / Rokinon 12mm F2.8 ED AS NCS Fisheye is 20 cm, measured from the sensor plane.

Is the Samyang / Rokinon 12mm F2.8 ED AS NCS Fisheye a full-frame lens?

Yes, the Samyang / Rokinon 12mm F2.8 ED AS NCS Fisheye covers full frame. On APS-C cameras its field of view equals 19 mm in full-frame terms.

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