Leica Super-APO-Summicron-SL 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.
Snapshot
फायदे और नुकसान
Pros
Cons
What owners think
मालिकों की राय समय के साथ कैसे बदली
विशेषग्राहकों ने वास्तव में अपनी समीक्षाएँ कब लिखीं, इसके आधार पर — ताकि आप देख सकें कि शुरुआती तारीफ़ टिकी या नहीं।
3 तिथि-युक्त ग्राहक समीक्षाओं पर आधारित, कैलेंडर तिमाही के अनुसार समूहित। अवधि-वार विश्लेषण अंग्रेज़ी में है।
The proof
प्रदर्शन
तकनीकी विशेषताएं
पूर्ण विनिर्देश
Optics
| Type | prime |
| Focal Length Min | 21 |
| Focal Length Max | 21 |
| Elements | 14 |
| Groups | 11 |
| Aspherical Elements | 3 |
Aperture
| Max Aperture | 22 |
| Min Aperture | 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 |
प्रतिस्पर्धियों से तुलना
| Spec | Leica Super-APO-Summicron-SL Super-APO-Summicron-SL 21mm f/2 ASPH. 21mm | Sigma Contemporary 16-300mm f/3.5-6.7 DC OS | Nikon NIKKOR Z 28-400mm f/4-8 VR | Panasonic LUMIX G Leica DG Vario-Elmarit H-ES50200 | Tamron Di III 28-75mm f/2.8 Di III VXD G2 | Viltrox 13mm F1.4 f/1.4 E STM Auto Focus Ultra Wide Angle |
|---|---|---|---|---|---|---|
| Focal Length | 21mm | 16-300mm | 28-400mm | 50-200mm | 28-75mm | 13mm |
| Max Aperture | 22 | f/3.5 | f/4 | f/2.8 | f/2.8 | f/1.4 |
| Mount | L-Mount | Sony E | Nikon Z | Micro Four Thirds | Sony E | Sony E |
| Stabilization | false | true | true | true | false | true |
| Weather Sealed | false | true | true | true | true | false |
| Weight (g) | 789 | 615 | 726 | 655 | 550 | 415 |
| AF Type | Dual Synchro Drive | HLA | STM | linear motor | VXD | STM |
| Lens Type | prime | zoom | zoom | telephoto | zoom | Wide-Angle |
| Compare | Compare | Compare | Compare | Compare |
| Product | Af | Bokeh | Build | Macro | Optical | Aperture | Versatility | Social Proof | Stabilization |
|---|---|---|---|---|---|---|---|---|---|
| Leica Super-APO-Summicron-SL Super-APO-Summicron-SL 21mm f/2 ASPH. 21mm | 54.5 | 15.7 | 21.8 | 79.1 | 72.2 | 24.4 | 34.2 | 34.6 | 36 |
| Sigma Contemporary 16-300mm f/3.5-6.7 DC OS Compare | 54.5 | 84.3 | 59 | 85.9 | 98.9 | 76.9 | 99.6 | 78 | 99.1 |
| Nikon NIKKOR Z 28-400mm f/4-8 VR Compare | 86.9 | 77.8 | 51.6 | 81.3 | 97 | 71.2 | 98.9 | 83.1 | 98.3 |
| Panasonic LUMIX G Leica DG Vario-Elmarit H-ES50200 Compare | 98.3 | 86.1 | 55.3 | 23.1 | 95.9 | 83.7 | 88.3 | 65.9 | 96.4 |
| Tamron Di III 28-75mm f/2.8 Di III VXD G2 Compare | 54.5 | 86.1 | 64 | 84.8 | 91.2 | 83.7 | 78.6 | 91.7 | 36 |
| Viltrox 13mm F1.4 f/1.4 E STM Auto Focus Ultra Wide Angle Compare | 86.9 | 96.6 | 42.1 | 89.4 | 82.6 | 96.4 | 34.2 | 74 | 81.3 |