Leica L mount Ultra-wide prime
Leica Super-APO-Summicron-SL 21mm f/2 ASPH.
Quick answer
The Leica Super-APO-Summicron-SL 21mm f/2 ASPH. is a ultra-wide prime lens covering 21mm at f/2.0 for the Leica L mount. Its fast maximum aperture helps in dim light and gives good subject separation.
- Full frame
- APS-C (32mm equiv.)
- 22 Leica L cameras
- Focal
- 21mm
- Aperture
- f/2
- Weight
- 789g
What 21mm sees
- Full frame crop 1.0×
- 91.7° 81.2° horizontal
- 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, not measured.
Open the field-of-view calculatorLeica Super-APO-Summicron-SL 21mm f/2 ASPH. specifications
Optics
- Focal length
- 21mm
- Maximum aperture
- f/2.0
- Format coverage
- Full frame
Focus
- Maximum magnification
- 0.19×
Physical
- Weight
- 789 g
Specification source: leica-camera.com
What can you shoot with the Leica Super-APO-Summicron-SL 21mm f/2 ASPH.?
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 Leica Super-APO-Summicron-SL 21mm f/2 ASPH. use?
It uses the Leica L mount, so it fits Leica L cameras directly.
What is the focal length of the Leica Super-APO-Summicron-SL 21mm f/2 ASPH.?
It is a fixed 21mm lens with a maximum aperture of f/2.0. That makes it a ultra-wide lens.
Is the Leica Super-APO-Summicron-SL 21mm f/2 ASPH. 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/2.0.
What is the Leica Super-APO-Summicron-SL 21mm f/2 ASPH. 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 Leica Super-APO-Summicron-SL 21mm f/2 ASPH. 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.