Leica Leica Super-APO-Summicron-SL 21mm f/2 ASPH. Lens Review
Focal Length 21mm
Max Aperture f/2
Mount L-Mount
Stabilization No
Weather Sealed No
Weight 771 g
AF Type Autofocus
50.5 Overall Score
Overview
Performance
Pros & Cons
Pros
- Strong optical (84th percentile) 87th
- Strong macro (71th percentile) 67th
- Strong aperture (69th percentile) 67th
Cons
- Below average build (25th percentile) 26th
Specifications
Full Specifications
Optics
| Focal Length Min | 21 |
| Focal Length Max | 21 |
| Elements | 14 |
| Groups | 11 |
Aperture
| Max Aperture | f/2 |
| Min Aperture | f/22 |
Build
| Mount | L-Mount |
| Format | Full-Frame |
| Weight | 0.8 kg / 1.7 lbs |
| Filter Thread | 67 |
AF & Stabilization
| AF Type | Autofocus |
| Stabilization | No |
Focus
| Min Focus Distance | 210 |
| Max Magnification | 1:5.3 |
Value & Pricing
Feb 20, 2026 $5,880
vs Competition
| Spec | Leica Leica Super-APO-Summicron-SL 21mm f/2 ASPH. Lens | Meike Meike 55mm F1.8 Pro Full Frame AF STM Lens High | Viltrox VILTROX 35mm F1.7 Lens, X Mount 35mm F1.7 Auto | Nikon Nikon S-Line Nikon NIKKOR Z 35mm f/1.8 S Lens | Panasonic Panasonic LUMIX G Vario 14-140mm f/3.5-5.6 II | Fujifilm VILTROX 25mm F1.7 f/1.7 AF Lens for Fuji X Mount, |
|---|---|---|---|---|---|---|
| Focal Length | 21mm | 55mm | 35mm | 35mm | 14-140mm | 25mm |
| Max Aperture | f/2 | f/1.8 | f/1.7 | f/1.8 | f/3.5 | f/1.7 |
| Mount | L-Mount | Sony E | Fujifilm X | Nikon Z | Micro Four Thirds | Fujifilm X |
| Stabilization | false | true | true | true | true | true |
| Weather Sealed | false | false | false | false | false | false |
| Weight (g) | 771 | 201 | 301 | 371 | 27 | 400 |
| AF Type | Autofocus | STM | STM | STM | — | STM |
| Lens Type | — | — | — | Zoom | Telephoto | — |