TTArtisan Leica M mount Ultra-wide prime
TTArtisan 21mm f/1.5
Quick answer
The TTArtisan 21mm f/1.5 is a ultra-wide prime lens covering 21mm at f/1.5 for the Leica M mount. Its fast maximum aperture helps in dim light and gives good subject separation.
- APS-C (32mm equiv.)
- Other systems via mount adapter
- 20 Leica M cameras
- Focal
- 21mm
- Aperture
- f/1.5–16
- Weight
- 412g
- Filter
- 72mm
- AF motor
- None
What 21mm sees
- APS-C crop 1.5× → 32mm
- 69° 59.5° 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 calculatorTTArtisan 21mm f/1.5 specifications
Optics
- Focal length
- 21mm
- Maximum aperture
- f/1.5
- Minimum aperture
- f/16
- Format coverage
- APS-C
- Optical construction
- 13 elements in 11 groups
- Aperture blades
- 10
Focus
- Autofocus motor
- None
Physical
- Filter thread
- 72 mm
- Weight
- 412 g
Specification source: ttartisan.com
What can you shoot with the TTArtisan 21mm f/1.5?
At 21mm this is a ultra-wide prime, which typically suits:
- Landscapes and big skies
- Architecture and interiors
- Astrophotography and night skies
Its fast maximum aperture helps in dim light and gives good subject separation.
Frequently asked questions
What mount does the TTArtisan 21mm f/1.5 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 TTArtisan 21mm f/1.5?
It is a fixed 21mm lens with a maximum aperture of f/1.5. That makes it a ultra-wide lens.
Is the TTArtisan 21mm f/1.5 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/1.5.
What is the TTArtisan 21mm f/1.5 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. These figures are calculated from the focal length and crop factor.
Which cameras does the TTArtisan 21mm f/1.5 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.