7artisans Micro Four Thirds mount Ultra-wide prime
7artisans 4mm f/2.8
Quick answer
The 7artisans 4mm f/2.8 is a ultra-wide prime lens covering 4mm at f/2.8 for the Micro Four Thirds mount. Its bright maximum aperture handles indoor and evening light reasonably well.
- Micro Four Thirds (8mm equiv.)
- 68 Micro Four Thirds cameras
- Focal
- 4mm
- Aperture
- f/2.8
- Min focus
- 0.09m
- AF motor
- None
What 4mm sees
- Micro Four Thirds crop 2.0× → 8mm
- 139.4° 132.1° horizontal
Diagonal angle of view. Frames drawn to scale at 4mm. Calculated from the focal length and crop factor, not measured.
Open the field-of-view calculator7artisans 4mm f/2.8 specifications
Optics
- Focal length
- 4mm
- Maximum aperture
- f/2.8
- Format coverage
- Micro four thirds
Focus
- Autofocus motor
- None
- Minimum focus distance
- 0.09 m
General
- Brand
- 7artisans
- Mount
- Micro Four Thirds
- Lens type
- Prime
Specification source: 7artisans.store
What can you shoot with the 7artisans 4mm f/2.8?
At 4mm this is a ultra-wide prime, 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.
Frequently asked questions
What mount does the 7artisans 4mm f/2.8 use?
It uses the Micro Four Thirds mount, so it fits Micro Four Thirds cameras directly.
What is the focal length of the 7artisans 4mm f/2.8?
It is a fixed 4mm lens with a maximum aperture of f/2.8. That makes it a ultra-wide lens.
Is the 7artisans 4mm f/2.8 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 7artisans 4mm f/2.8 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 7artisans 4mm f/2.8 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 63 more.
Alternatives for Micro Four Thirds from other brands
All Micro Four Thirds lensesSame mount, overlapping focal range, closest maximum aperture first.
