Sigma Contemporary 20mm f/2 DG
The f/2 maximum aperture and 13-element optical design with aspherical and ED glass deliver strong low-light performance and sharpness in a compact 370g body. Its all-metal, weather-sealed I Series construction and tactile aperture ring provide a premium handling experience rare at this size. This lens is best for environmental portrait and astrophotography shooters who need a fast, ultra-wide prime that won't weigh down a kit.
Focal length 20mm
Aperture f/2
Mount L-Mount
Weather Sealed نعم
Weight 370 g
af type Autofocus
lens type prime
59 التقييم العام
السعر ٧٦٩ US$
لمحة سريعة
المزايا والعيوب
الإيجابيات
- Strong bokeh (93rd percentile) 93rd
- Strong aperture (90th percentile) 90th
- Strong optical (86th percentile) 86th
- Strong macro (81st percentile) 81st
السلبيات
- Below average build (7th percentile)
- Below average social proof (11th percentile)
- Below average versatility (34th percentile)
آراء المالكين
كيف تغيّر رأي المالكين بمرور الوقت
حصرياستنادًا إلى وقت كتابة العملاء لتقييماتهم فعليًا - لترى ما إذا كان الثناء المبكر قد استمر.
85/100قراءتنا للمشاعر بالذكاء الاصطناعي
استنادًا إلى 2 مراجعة عملاء مؤرخة، مجمّعة حسب الربع التقويمي. تحليل الفترات باللغة الإنجليزية.
الأدلة
الأداء
المواصفات التقنية
المواصفات الكاملة
Optics
| Type | Prime |
| Focal Length Min | 20 |
| Focal Length Max | 20 |
| Elements | 13 |
| Groups | 11 |
| Aspherical Elements | 3 |
| ED Elements | 2 |
| Coating | Super Multi-Layer Coating, Nano Porous Coating (NPC) |
Aperture
| Max Aperture | f/2 |
| Min Aperture | f/2 |
| Constant | Yes |
| Diaphragm Blades | 9 |
Build
| Mount | L-Mount |
| Format | full-frame |
| Weather Sealed | Yes |
| Weight | 0.4 kg / 0.8 lbs |
| Filter Thread | 62 |
AF & Stabilization
| AF Type | Autofocus |
| Stabilization | No |
Focus
| Min Focus Distance | 220 |
| Max Magnification | 1:6.67 |
مقارنة بالمنافسين
| Spec | Sigma Contemporary 20mm f/2 DG | Tamron Di III 17-70mm f/2.8 Di III-A VC RXD | Nikon NIKKOR Z 17-28mm f/2.8 | Sony E 18-135mm f/3.5-5.6 OSS | Panasonic Leica DG Vario-Elmarit H-ES12035 | Canon RF 28-70mm f/2.8 IS STM |
|---|---|---|---|---|---|---|
| Focal Length | 20mm | 17-70mm | 17-28mm | 18-135mm | 12-35mm | 28-70mm |
| Max Aperture | f/2 | f/2.8 | f/2.8 | f/3.5 | f/2.8 | f/22 |
| Mount | L-Mount | Sony E | Nikon Z | Sony E | Micro Four Thirds | Canon RF |
| Stabilization | false | true | false | true | true | true |
| Weather Sealed | true | true | true | false | true | true |
| Weight (g) | 370 | 544 | 450 | 326 | 306 | 495 |
| AF Type | Autofocus | RXD | Stepping Motor | Linear motor | Autofocus | STM |
| Lens Type | prime | zoom | zoom | zoom | zoom | zoom |
| Compare | Compare | Compare | Compare | Compare |
| المنتج | AF | Bokeh | Build | Macro | Optical | Aperture | Versatility | التقييم الاجتماعي | Stabilization |
|---|---|---|---|---|---|---|---|---|---|
| Sigma Contemporary 20mm f/2 DG | 53.6 | 92.6 | 6.8 | 80.5 | 86 | 90.2 | 33.6 | 10.8 | 37.2 |
| Tamron Di III 17-70mm f/2.8 Di III-A VC RXD Compare | 53.6 | 86.8 | 69.8 | 85.2 | 91.1 | 83.8 | 89.5 | 84.5 | 82.9 |
| Nikon NIKKOR Z 17-28mm f/2.8 Compare | 87.6 | 86.8 | 76.1 | 85.2 | 88.4 | 83.8 | 68 | 68.1 | 37.2 |
| Sony E 18-135mm f/3.5-5.6 OSS Compare | 98.1 | 75.1 | 73.4 | 40 | 79.1 | 77 | 95.8 | 89.1 | 82.9 |
| Panasonic Leica DG Vario-Elmarit H-ES12035 Compare | 53.6 | 81.6 | 85.9 | 50.7 | 86.8 | 83.8 | 80.4 | 84.5 | 97 |
| Canon RF 28-70mm f/2.8 IS STM Compare | 87.6 | 23.4 | 72.9 | 79.4 | 86.8 | 20.6 | 77.4 | 89.1 | 98.6 |
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