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
38 Punteggio Complessivo
Prezzo 0 JPY
Panoramica
Cosa dicono i proprietari
Come è cambiata l'opinione dei proprietari nel tempo
EsclusivaIn base a quando i clienti hanno effettivamente scritto le recensioni, per vedere se gli elogi iniziali sono durati.
Basato su 3 recensioni dei clienti datate, raggruppate per trimestre solare. L'analisi per periodo è in inglese.
Le prove
Prestazioni
Scheda tecnica
Specifiche tecniche complete
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 |
Rispetto alla concorrenza
| Spec | Leica Super-APO-Summicron-SL 21mm f/2 ASPH. 21mm | Tamron Di III 17-70mm f/2.8 Di III-A VC RXD | Sigma Contemporary 28-70mm f/2.8 DG 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 | 17-70mm | 28-70mm | 17-28mm | 12-35mm | 18-135mm |
| Max Aperture | f/22 | f/2.8 | 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 | 544 | 470 | 450 | 306 | 326 |
| AF Type | Dual Synchro Drive | RXD | stepping motor | Stepping Motor | Autofocus | Linear motor |
| Lens Type | prime | zoom | zoom | zoom | zoom | zoom |
| Compare | Compare | Compare | Compare | Compare |
| Prodotto | AF | Bokeh | Build | Macro | Optical | Aperture | Versatility | Riscontro degli utenti | Stabilization |
|---|---|---|---|---|---|---|---|---|---|
| Leica Super-APO-Summicron-SL 21mm f/2 ASPH. 21mm | 53.6 | 12.7 | 24.3 | 81.1 | 75.6 | 19.4 | 33.8 | 44.7 | 36.8 |
| Tamron Di III 17-70mm f/2.8 Di III-A VC RXD Compare | 53.6 | 85.8 | 69.4 | 85.1 | 91.3 | 82.6 | 89.6 | 86.2 | 82.6 |
| Sigma Contemporary 28-70mm f/2.8 DG DN Compare | 87.2 | 85.8 | 74.5 | 95.1 | 95.6 | 82.6 | 77.5 | 86.2 | 36.8 |
| Nikon NIKKOR Z 17-28mm f/2.8 Compare | 87.2 | 85.8 | 76 | 85.1 | 88.4 | 82.6 | 68.3 | 71.5 | 36.8 |
| Panasonic Leica DG Vario-Elmarit H-ES12035 Compare | 53.6 | 80.5 | 86 | 50.8 | 86.7 | 82.6 | 80.6 | 86.2 | 97 |
| Sony E 18-135mm f/3.5-5.6 OSS Compare | 98.1 | 73.8 | 73.2 | 40.3 | 78.9 | 75.8 | 95.9 | 90.3 | 82.6 |
