Best Pick

Sigma Art 20mm f/1.4 DG DN

76.6 Score
20mm f/1.4 L-Mount Weather Sealed
Why we recommend this

With its bright f/1.4 aperture and 17-element optical design incorporating three aspherical and two SLD elements, this full-frame lens captures sharp, low-distortion images ideal for astrophotography. A weather-sealed brass mount, 11-blade rounded diaphragm, and rear filter holder enhance durability and creative flexibility. It’s best for astrophotographers and landscape shooters who need an ultrawide, fast prime and can forgo the lighter weight of typical travel lenses.

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Great Alternatives

These options also score highly and may better suit your specific needs

Sigma DG Contemporary 65mm f/2

43.2 Score
65mm 22 L-Mount Weather Sealed
Why we recommend this

A unique 65mm focal length and bright f/2 aperture define this compact prime, packing 12 elements with 2 aspherical and 1 ED element into a weather-sealed, all-metal barrel at just 405g. Its knurled focus and aperture rings enable precise tactile control, while the 9-blade diaphragm yields smooth, rounded bokeh for subject isolation. Best for street photographers and environmental portrait shooters seeking a lightweight, weather-resistant L-Mount lens with a distinctive, versatile field of view.

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Sigma DG Contemporary 65mm f/2 lens
Price CA$1,060

Sigma 28-70mm F2.8 DG DN for L-Mount

38.7 Score
f/2.8 leica_l
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