The Sigma 20mm F2.0 DG Contemporary lens is a high-quality prime lens specifically designed for L-Mount cameras. With a maximum aperture of f/2.0, this lens offers excellent light sensitivity, making it ideal for low-light photography. The construction includes 13 lenses in 11 groups, contributing to high image quality and precise color reproduction. The lens is equipped with 9 diaphragm blades that create an attractive background blur. Weighing only 370 grams, it is lightweight and compact, making it an ideal companion for photographers who value mobility. The minimum focusing distance of 22 cm allows for creative close-up shots, while the 62 mm filter thread facilitates the use of various filters. The elegant silver design of the lens also adds to its appealing aesthetics.
Lens type | Prime lens, Wide angle lens |
Bayonet lens mount | L-Mount |
Sensor compatibility | full size |
Focus type | Autofocus, Manual focus |
Weight | 370 g |
Item number | 56259158 |
Manufacturer | Sigma |
Category | Lenses |
Manufacturer no. | 49S969 |
Release date | 16.4.2025 |
Colour | Silver |
Material group | Metal |
Material | Metal housing |
Minimum focus distance | 0.22 m |
Lens type | Prime lens, Wide angle lens |
Bayonet lens mount | L-Mount |
Aperture | 2 f/ |
Min. aperture | 22 f/ |
Min. focal length (exact) | 20 mm |
Max. Focal length (exact) | 20 mm |
Focal length | 20 mm |
Sensor compatibility | full size |
Number of diaphragm blades | 9x |
Filter thread | 62 mm |
Number of lenses | 13 |
Number of lens groups | 11 |
Lens equipment | Filter thread, Internal focusing, Metal bayonet |
Focus type | Autofocus, Manual focus |
Min. focal length (exact) | 0.02 m |
Max. Focal length (exact) | 0.02 m |
Filter thread | 0.06 m |
CO₂ emissions | 0.94 kg |
Climate contribution | CHF 0.11 |
Scope of delivery | Beutel, Front cap, Lens hood, Magnetic metal lens cap, Rear cap |
Weight | 370 g |
Length | 72.40 mm |
Diameter | 70 mm |
Length | 21.90 cm |
Width | 11.10 cm |
Height | 10.60 cm |
Weight | 772 g |
How often does a product of this brand in the «Lenses» category have a defect within the first 24 months?
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Source: Digitec Galaxus
At f/2, this Sigma lens is a little slower than the Panasonic S 1.8/24 mm, but at 620 euros it costs almost a third less. In the centre, the image quality is very similar at all three measured apertures. This means: we see very good contrast and good to very good resolution values...