Quick answer
The Rokinon 12mm f/2.8 ED AS NCS Fisheye is a ultra-wide fisheye lens covering 12mm at f/2.8 for the Micro Four Thirds mount. Its bright maximum aperture handles indoor and evening light reasonably well.
About this lens
Rokinon 12mm f/2.8 ED AS NCS Fisheye: a fisheye lens with a 12mm focal length and a maximum aperture of f/2.8, made for Micro Four Thirds mount cameras, with extra-low dispersion glass and aspherical elements. It suits dramatic perspectives, astrophotography and creative wide-field work.
Rokinon 12mm f/2.8 ED AS NCS Fisheye specifications
- Brand
- Rokinon
- Mount
- Micro Four Thirds
- Focal length
- 12mm
- Maximum aperture
- f/2.8
- Lens type
- Fisheye
- Optical construction
- 12 elements in 8 groups
- Minimum focus distance
- 0.2 m
Specification source: lksamyang.com
What can you shoot with the Rokinon 12mm f/2.8 ED AS NCS Fisheye?
At 12mm this is a ultra-wide fisheye, which typically suits:
- Landscapes and big skies
- Architecture and interiors
- Astrophotography and night skies
Its bright maximum aperture handles indoor and evening light reasonably well.
Full-frame equivalent and field of view
Calculated from the focal length and crop factor. Not measured.
| Sensor | Crop | Equivalent | Horizontal FOV | Diagonal FOV |
|---|---|---|---|---|
| Micro Four Thirds | 2.0x | 24mm | 73.7° | 84.1° |
Frequently asked questions
What mount does the Rokinon 12mm f/2.8 ED AS NCS Fisheye use?
It uses the Micro Four Thirds mount, so it fits Micro Four Thirds cameras directly.
What is the focal length of the Rokinon 12mm f/2.8 ED AS NCS Fisheye?
It is a fixed 12mm lens with a maximum aperture of f/2.8. That makes it a ultra-wide lens.
Is the Rokinon 12mm f/2.8 ED AS NCS Fisheye a prime or a zoom lens?
It is a prime lens with a fixed 12mm focal length. Primes usually open wider than zooms; this one opens to f/2.8.
What is the Rokinon 12mm f/2.8 ED AS NCS Fisheye equivalent on a crop sensor?
On Micro Four Thirds (2x crop) it frames like 24mm on full frame, with a 73.7° horizontal and 84.1° diagonal field of view. These figures are calculated from the focal length and crop factor.
Which cameras does the Rokinon 12mm f/2.8 ED AS NCS Fisheye fit?
Any Micro Four Thirds-mount camera, including OM System OM-1, OM System OM-1 Mark II, OM System OM-5, Olympus OM-D E-M1, and Olympus OM-D E-M1 Mark II and 24 more.
Alternatives for Micro Four Thirds from other brands
All Micro Four Thirds lensesSame mount, overlapping focal range, closest maximum aperture first.