Viltrox Leica L mount Standard prime
Viltrox AF 40mm f/2.5 Air
Quick answer
The Viltrox AF 40mm f/2.5 Air is a standard prime lens covering 40mm at f/2.5 for the Leica L mount. Its bright maximum aperture handles indoor and evening light reasonably well.
- Full frame
- APS-C (60mm equiv.)
- 22 Leica L cameras
- Focal
- 40mm
- Aperture
- f/2.5–16
- Weight
- 169g
- Filter
- 52mm
- Min focus
- 0.34m
- AF motor
- STM
What 40mm sees
- Full frame crop 1.0×
- 56.8° 48.5° horizontal
- APS-C crop 1.5× → 60mm
- 39.7° 33.4° horizontal
Diagonal angle of view. Frames drawn to scale at 40mm. Calculated from the focal length and crop factor, not measured.
Open the field-of-view calculatorViltrox AF 40mm f/2.5 Air specifications
Optics
- Focal length
- 40mm
- Maximum aperture
- f/2.5
- Minimum aperture
- f/16
- Format coverage
- Full frame
- Optical construction
- 10 elements in 6 groups
- Aperture blades
- 7
Focus
- Autofocus motor
- STM
- Minimum focus distance
- 0.34 m
- Maximum magnification
- 0.14×
Physical
- Filter thread
- 52 mm
- Weight
- 169 g
- Length
- 52.5 mm
- Diameter
- 64 mm
Specification source: viltrox.com
What can you shoot with the Viltrox AF 40mm f/2.5 Air?
At 40mm this is a standard prime, which typically suits:
- Everyday and street photography
- Natural-perspective portraits
- Documentary and travel work
Its bright maximum aperture handles indoor and evening light reasonably well.
Frequently asked questions
What mount does the Viltrox AF 40mm f/2.5 Air use?
It uses the Leica L mount, so it fits Leica L cameras directly.
What is the focal length of the Viltrox AF 40mm f/2.5 Air?
It is a fixed 40mm lens with a maximum aperture of f/2.5. That makes it a standard lens.
Is the Viltrox AF 40mm f/2.5 Air a prime or a zoom lens?
It is a prime lens with a fixed 40mm focal length. Primes usually open wider than zooms; this one opens to f/2.5.
What is the Viltrox AF 40mm f/2.5 Air equivalent on a crop sensor?
On APS-C (1.5x crop) it frames like 60mm on full frame, with a 33.4° horizontal and 39.7° diagonal field of view. These figures are calculated from the focal length and crop factor.
Which cameras does the Viltrox AF 40mm f/2.5 Air fit?
Any Leica L-mount camera, including Leica SL (Typ 601), Leica SL2, Leica SL2-S, Leica SL3, and Panasonic Lumix DC-S1 and 17 more.
Alternatives for Leica L from other brands
All Leica L lensesSame mount, overlapping focal range, closest maximum aperture first.
