Sigma Contemporary 20mm f/2 DG 20mm
Weighing just 370g with a weather-sealed all-metal build, this 20mm f/2 prime delivers ultra-wide composition and fast aperture in a compact L-mount package. The STM autofocus enables smooth video pulls, while three aspherical and two ED elements minimize distortion and aberrations across the frame. Best for travel and landscape photographers who need a lightweight, durable wide-angle lens with decent low-light capability for handheld shooting.
Focal length 20mm
Aperture 22
Mount Sony E
Weather Sealed نعم
Weight 370 g
af type Autofocus
lens type prime
51 التقييم العام
السعر ١٩ €
Snapshot
المزايا والعيوب
Pros
- Strong optical (84th percentile) 84th
- Strong macro (79th percentile) 79th
- Strong build (78th percentile) 78th
Cons
- Below average social proof (6th percentile)
- Below average aperture (24th percentile)
- Below average bokeh (28th percentile)
- Below average versatility (34th percentile)
What owners think
كيف تغيّر رأي المالكين بمرور الوقت
حصرياستنادًا إلى وقت كتابة العملاء لتقييماتهم فعليًا — لترى ما إذا كان الثناء المبكر قد استمر.
استنادًا إلى 4 مراجعة عملاء مؤرخة، مجمّعة حسب الربع التقويمي. تحليل الفترات باللغة الإنجليزية.
The proof
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 and Nano Porous Coating (NPC) |
Aperture
| Max Aperture | 22 |
| Min Aperture | 2 |
| Constant | Yes |
| Diaphragm Blades | 9 |
Build
| Mount | Sony E |
| 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 20mm | Nikon NIKKOR Altura Photo 55MM 0.43x HD Wide Angle | Canon Altura Photo 49MM 0.43x HD Wide Angle | Sony G Master SEL2470GM2 | Viltrox AF 28mm f/4.5 | GoPro HB-Series AEWAL-001 |
|---|---|---|---|---|---|---|
| Focal Length | 20mm | - | - | 24-70mm | 28mm | - |
| Max Aperture | 22 | f/3.5 | - | 22 | f/4.5 | 0 |
| Mount | Sony E | Screw-on lens fits camera lenses with a 55mm front filter thread | Screw-on lens fits camera lenses with a 49mm front filter thread | Sony E | Sony E | GoPro HERO Black Mount |
| Stabilization | false | true | true | false | true | true |
| Weather Sealed | true | false | false | true | false | true |
| Weight (g) | 370 | 320 | 298 | 695 | 60 | - |
| AF Type | Autofocus | STM | STM | XD Linear Motors | Autofocus | - |
| Lens Type | prime | wide-angle | wide-angle | zoom | Wide-Angle | wide-angle |
| Compare | Compare | Compare | Compare | Compare |
| Product | Af | Bokeh | Build | Macro | Optical | Aperture | Versatility | Social Proof | Stabilization |
|---|---|---|---|---|---|---|---|---|---|
| Sigma Contemporary 20mm f/2 DG 20mm | 54.5 | 28.2 | 78.1 | 78.6 | 84.3 | 24.4 | 34.2 | 5.6 | 36 |
| Nikon NIKKOR Altura Photo 55MM 0.43x HD Wide Angle Compare | 86.9 | 74.9 | 69.1 | 95.2 | 36.3 | 76.9 | 34.2 | 68.7 | 81.3 |
| Canon Altura Photo 49MM 0.43x HD Wide Angle Compare | 86.9 | 69.6 | 71.9 | 95.9 | 36.3 | 71.2 | 34.2 | 68.7 | 81.3 |
| Sony G Master SEL2470GM2 Compare | 98.3 | 40.4 | 53.2 | 45.1 | 97 | 24.4 | 80.7 | 88 | 36 |
| Viltrox AF 28mm f/4.5 Compare | 54.5 | 65.8 | 98.3 | 73.4 | 2.9 | 66.4 | 34.2 | 78 | 81.3 |
| GoPro HB-Series AEWAL-001 Compare | 54.5 | 100 | 56.3 | 8.3 | 36.3 | 100 | 34.2 | 75.6 | 81.3 |
Price
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