Photo: Bautsch (CC0)
Quick answer
The Laowa 4mm f/2.8 Fisheye MFT is a ultra-wide fisheye lens covering 4mm at f/2.8 for the Micro Four Thirds mount. Its bright maximum aperture handles indoor and evening light reasonably well.
About this lens
Laowa 4mm f/2.8 Fisheye MFT: a fisheye lens with a 4mm focal length and a maximum aperture of f/2.8, made for Micro Four Thirds mount cameras. It suits dramatic perspectives, astrophotography and creative wide-field work.
Laowa 4mm f/2.8 Fisheye MFT specifications
- Brand
- Laowa
- Mount
- Micro Four Thirds
- Focal length
- 4mm
- Maximum aperture
- f/2.8
- Lens type
- Fisheye
- Format coverage
- micro-four-thirds
- Optical construction
- 7 elements in 6 groups
- Aperture blades
- 7
- Autofocus motor
- none
- Minimum focus distance
- 0.08 m
- Maximum magnification
- 0.11x
Specification source: venuslens.com
What can you shoot with the Laowa 4mm f/2.8 Fisheye MFT?
At 4mm 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 | 8mm | 132.1° | 139.4° |
Frequently asked questions
What mount does the Laowa 4mm f/2.8 Fisheye MFT use?
It uses the Micro Four Thirds mount, so it fits Micro Four Thirds cameras directly.
What is the focal length of the Laowa 4mm f/2.8 Fisheye MFT?
It is a fixed 4mm lens with a maximum aperture of f/2.8. That makes it a ultra-wide lens.
Is the Laowa 4mm f/2.8 Fisheye MFT a prime or a zoom lens?
It is a prime lens with a fixed 4mm focal length. Primes usually open wider than zooms; this one opens to f/2.8.
What is the Laowa 4mm f/2.8 Fisheye MFT equivalent on a crop sensor?
On Micro Four Thirds (2x crop) it frames like 8mm on full frame, with a 132.1° horizontal and 139.4° diagonal field of view. These figures are calculated from the focal length and crop factor.
Which cameras does the Laowa 4mm f/2.8 Fisheye MFT 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.
