Leica Super-APO-Summicron-SL 21mm f/2 ASPH. 21mm
A world-first apochromatic correction at 21mm pairs with an f/2 constant aperture and dual synchro drive autofocus, delivering distortion-free edge-to-edge sharpness. Its exceptionally light 95g full-frame build makes it one of the most portable ultra-wide Leica primes without sacrificing optical precision. This lens suits street and architectural photographers who need a discreet, fast 21mm for high-clarity work in tight spaces.
Focal length 21mm
Aperture f/22
Mount L-Mount
Weight 789 g
af type Dual Synchro Drive
lens type prime
36 综合评分
价格 £0
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实测数据
性能表现
规格参数
完整规格参数
Optics
| Type | Prime |
| Focal Length Min | 21 |
| Focal Length Max | 21 |
| Elements | 14 |
| Groups | 11 |
| Aspherical Elements | 3 |
Aperture
| Max Aperture | f/22 |
| Min Aperture | f/2 |
| Constant | Yes |
Build
| Mount | L-Mount |
| Format | full-frame |
| Weight | 0.8 kg / 1.7 lbs |
| Filter Thread | 67 |
AF & Stabilization
| AF Type | Dual Synchro Drive |
| Stabilization | No |
Focus
| Min Focus Distance | 210 |
| Max Magnification | 1:5.3 |
竞品对比
| Spec | Leica Super-APO-Summicron-SL 21mm f/2 ASPH. 21mm | Tamron Di III VC 28-300mm f/4-7.1 VXD | Sigma Contemporary 18-50mm f/2.8 DC DN | Nikon NIKKOR Z 17-28mm f/2.8 | Panasonic Leica DG Vario-Elmarit H-ES12035 | Sony E 18-135mm f/3.5-5.6 OSS |
|---|---|---|---|---|---|---|
| Focal Length | 21mm | 28-300mm | 18-50mm | 17-28mm | 12-35mm | 18-135mm |
| Max Aperture | f/22 | f/4 | f/2.8 | f/2.8 | f/2.8 | f/3.5 |
| Mount | L-Mount | Sony E | Sony E | Nikon Z | Micro Four Thirds | Sony E |
| Stabilization | false | true | false | false | true | true |
| Weather Sealed | false | true | true | true | true | false |
| Weight (g) | 789 | 590 | 290 | 450 | 306 | 326 |
| AF Type | Dual Synchro Drive | VXD linear motor | stepping motor | Stepping Motor | Autofocus | Linear motor |
| Lens Type | prime | zoom | zoom | zoom | zoom | zoom |
| Compare | Compare | Compare | Compare | Compare |
| 产品 | AF | Bokeh | Build | Macro | Optical | Aperture | Versatility | 用户口碑 | Stabilization |
|---|---|---|---|---|---|---|---|---|---|
| Leica Super-APO-Summicron-SL 21mm f/2 ASPH. 21mm | 53.9 | 13.2 | 24.4 | 81.8 | 75.2 | 20.2 | 33.6 | 42.3 | 36.8 |
| Tamron Di III VC 28-300mm f/4-7.1 VXD Compare | 98 | 77.9 | 65.1 | 85.8 | 96.7 | 66 | 97.7 | 55.7 | 82.4 |
| Sigma Contemporary 18-50mm f/2.8 DC DN Compare | 86.8 | 81.8 | 86 | 91.7 | 82.2 | 83.9 | 78.6 | 89.8 | 36.8 |
| Nikon NIKKOR Z 17-28mm f/2.8 Compare | 86.8 | 87 | 75.1 | 85.8 | 88.2 | 83.9 | 68 | 69.6 | 36.8 |
| Panasonic Leica DG Vario-Elmarit H-ES12035 Compare | 53.9 | 81.8 | 85.4 | 51 | 86.5 | 83.9 | 80.6 | 85.4 | 96.9 |
| Sony E 18-135mm f/3.5-5.6 OSS Compare | 98 | 75.4 | 72.4 | 40.3 | 78.5 | 77.3 | 95.8 | 89.8 | 82.4 |
