Voigtlander Leica M mount Ultra-wide prime
Voigtlander Nokton 21mm F1.4 Aspherical
Quick answer
The Voigtlander Nokton 21mm F1.4 Aspherical is a ultra-wide prime lens covering 21mm at f/1.4 for the Leica M mount. Its very wide maximum aperture suits low light and shallow depth of field with strong background blur.
- Full frame
- APS-C (32mm equiv.)
- Micro Four Thirds (42mm equiv.)
- Other systems via mount adapter
- 20 Leica M cameras
- Focal
- 21mm
- Aperture
- f/1.4–16
- Weight
- 480g
- Filter
- 62mm
- Min focus
- 0.5m
- AF motor
- None
What 21mm sees
- Full frame crop 1.0×
- 91.7° 81.2° horizontal
- APS-C crop 1.5× → 32mm
- 69° 59.5° horizontal
- Micro Four Thirds crop 2.0× → 42mm
- 54.5° 46.4° horizontal
Diagonal angle of view. Frames drawn to scale at 21mm. Calculated from the focal length and crop factor (adapted mount, so sensor size depends on your camera), not measured.
Open the field-of-view calculatorVoigtlander Nokton 21mm F1.4 Aspherical specifications
Optics
- Focal length
- 21mm
- Maximum aperture
- f/1.4
- Minimum aperture
- f/16
- Optical construction
- 13 elements in 11 groups
- Aperture blades
- 12
Focus
- Autofocus motor
- None
- Minimum focus distance
- 0.5 m
Physical
- Filter thread
- 62 mm
- Weight
- 480 g
- Length
- 69.7 mm
- Diameter
- 69.5 mm
General
- Brand
- Voigtlander
- Mount
- Leica M
- Lens type
- Prime
Specification source: cosina.co.jp
What can you shoot with the Voigtlander Nokton 21mm F1.4 Aspherical?
At 21mm this is a ultra-wide prime, which typically suits:
- Landscapes and big skies
- Architecture and interiors
- Astrophotography and night skies
Its very wide maximum aperture suits low light and shallow depth of field with strong background blur.
Frequently asked questions
What mount does the Voigtlander Nokton 21mm F1.4 Aspherical use?
It uses the Leica M mount, so it fits Leica M cameras directly and can be used on other systems through a mount adapter.
What is the focal length of the Voigtlander Nokton 21mm F1.4 Aspherical?
It is a fixed 21mm lens with a maximum aperture of f/1.4. That makes it a ultra-wide lens.
Is the Voigtlander Nokton 21mm F1.4 Aspherical a prime or a zoom lens?
It is a prime lens with a fixed 21mm focal length. Primes usually open wider than zooms; this one opens to f/1.4.
What is the Voigtlander Nokton 21mm F1.4 Aspherical equivalent on a crop sensor?
On APS-C (1.5x crop) it frames like 32mm on full frame, with a 59.5° horizontal and 69° diagonal field of view. On Micro Four Thirds (2x crop) it frames like 42mm on full frame, with a 46.4° horizontal and 54.5° diagonal field of view. These figures are calculated from the focal length and crop factor.
Which cameras does the Voigtlander Nokton 21mm F1.4 Aspherical fit?
Any Leica M-mount camera, including Leica M (Typ 240), Leica M-D (Typ 262), Leica M10-D, Leica M10-P, and Leica M10-R and 15 more.
Alternatives for Leica M from other brands
All Leica M lensesSame mount, overlapping focal range, closest maximum aperture first.