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Black cylindrical camera lens with 82mm front filter thread

SIGMA

SIGMA 20mm F1.4 Art DG DN L-Mount Camera Lens

SKU CH-V48T-VG9WM

Ultra-wide 20mm F1.4 full-frame lens with 11-blade diaphragm, 82mm filter thread and stepping AF motor

  • TypeLenses
  • ColorBlack
  • Bright F1.4 aperture captures sharp stars in low light
  • Ultra-wide 20mm view fits expansive scenes and night skies
  • 11-blade rounded diaphragm renders smooth circular bokeh highlights
  • Advanced optics with three aspherical and two SLD elements reduce aberrations
  • 82mm front filter thread accepts screw-in filters without vignetting

Wide 20mm F1.4 Art lens for L-mount

This SIGMA 20mm F1.4 Art DG DN is a full-frame prime lens built for Leica L-mount mirrorless cameras. It delivers a fast f/1.4 maximum aperture for low-light work and shallow depth of field. The optical design uses two SLD and three aspherical elements to control aberrations. A Super Multilayer Coating reduces flare and ghosting in challenging light.

Suited to astrophotography

Photographers shooting the night sky benefit from the wide angle and bright aperture that render stars as clean points. The stepping AF motor provides quiet focus for video, while the manual focus lock switch prevents accidental shifts. Buyers needing zoom flexibility or a longer focal length for wildlife should look elsewhere.

82mm front filter thread accepts screw-in filters

The 82mm thread diameter allows direct attachment of circular polarisers and neutral density filters without vignetting at this ultra-wide focal length. A rear filter holder is also included for gel or sheet filters. Check your existing filter system matches this thread size before purchasing.

Highlights

  • Bright F1.4 aperture captures sharp stars in low light
  • Ultra-wide 20mm view fits expansive scenes and night skies
  • 11-blade rounded diaphragm renders smooth circular bokeh highlights
  • Advanced optics with three aspherical and two SLD elements reduce aberrations
  • 82mm front filter thread accepts screw-in filters without vignetting

Specifications

TypeLenses
ColorBlack

Questions about this item

Should I choose the L-Mount version or a different mount for my camera?

This lens is built only for the L-Mount system and covers full-frame sensors; select it when your camera uses the L-Mount.

How does the f/1.4 maximum aperture perform in real low-light shooting?

The f/1.4 aperture gathers abundant light, letting you capture stars as pinpoint sources and achieve shallow depth of field at 20 mm.

What does the 82 mm filter thread mean for attaching filters in practice?

The front thread accepts 82 mm screw-in filters and a rear filter holder is also included for gel or sheet filters.

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