Photo: Javier Perez Montes (CC BY-SA 4.0)
Quick answer
The Rokinon 85mm f/1.4 AS IF UMC is a short telephoto prime lens covering 85mm at f/1.4 for the Micro Four Thirds mount. Its very wide maximum aperture suits low light and shallow depth of field with strong background blur.
About this lens
Rokinon 85mm f/1.4 AS IF UMC: a fast short-telephoto prime lens with a 85mm focal length and a maximum aperture of f/1.4, made for Micro Four Thirds mount cameras, with aspherical elements. An affordable fast manual-focus portrait prime.
Rokinon 85mm f/1.4 AS IF UMC specifications
- Brand
- Rokinon
- Mount
- Micro Four Thirds
- Focal length
- 85mm
- Maximum aperture
- f/1.4
- Lens type
- Prime
- Optical construction
- 9 elements in 7 groups
- Minimum focus distance
- 1.1 m
- Filter thread
- 72 mm
Specification source: lksamyang.com
What can you shoot with the Rokinon 85mm f/1.4 AS IF UMC?
At 85mm this is a short telephoto prime, which typically suits:
- Portraits with a flattering perspective
- Events and weddings
- Isolating subjects from the background
Its very wide maximum aperture suits low light and shallow depth of field with strong background blur.
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 | 170mm | 12.1° | 14.5° |
Frequently asked questions
What mount does the Rokinon 85mm f/1.4 AS IF UMC use?
It uses the Micro Four Thirds mount, so it fits Micro Four Thirds cameras directly.
What is the focal length of the Rokinon 85mm f/1.4 AS IF UMC?
It is a fixed 85mm lens with a maximum aperture of f/1.4. That makes it a short telephoto lens.
Is the Rokinon 85mm f/1.4 AS IF UMC a prime or a zoom lens?
It is a prime lens with a fixed 85mm focal length. Primes usually open wider than zooms; this one opens to f/1.4.
What is the Rokinon 85mm f/1.4 AS IF UMC equivalent on a crop sensor?
On Micro Four Thirds (2x crop) it frames like 170mm on full frame, with a 12.1° horizontal and 14.5° diagonal field of view. These figures are calculated from the focal length and crop factor.
Which cameras does the Rokinon 85mm f/1.4 AS IF UMC 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.
