7artisans Canon EF-M 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 Canon EF-M mount. Its bright maximum aperture handles indoor and evening light reasonably well.
- APS-C (6.4mm equiv.)
- 11 Canon EF-M cameras
- Focal
- 4mm
- Aperture
- f/2.8
- Min focus
- 0.09m
- AF motor
- None
What 4mm sees
- APS-C crop 1.6× → 6.4mm
- 147° 140.9° 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
Focus
- Autofocus motor
- None
- Minimum focus distance
- 0.09 m
General
- Brand
- 7artisans
- Mount
- Canon EF-M
- 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 Canon EF-M mount, so it fits Canon EF-M 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 APS-C (1.6x crop) it frames like 6.4mm on full frame, with a 140.9° horizontal and 147° 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 Canon EF-M-mount camera, including Canon EOS M, Canon EOS M10, Canon EOS M100, Canon EOS M2, and Canon EOS M200 and 6 more.
Alternatives for Canon EF-M from other brands
All Canon EF-M lensesSame mount, overlapping focal range, closest maximum aperture first.
