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Compact black wide-angle prime lens for L-mount mirrorless cameras

SIGMA

SIGMA 20mm f/2 DG Contemporary L Mount lens, Black

SKU CH-F4M5-6EVWA

A compact 20mm f/2 full-frame prime for L-mount mirrorless with 94.5° view, 13 elements in 11 groups, and 22 cm minimum focus

  • Wide 94.5° view captures expansive scenes
  • Fast f/2 aperture enables low-light shooting and shallow depth
  • 13 elements in 11 groups reduce distortion and aberrations
  • Focuses as close as 8.7 in for 1:6.7 magnification detail
  • Compact full-frame prime designed for L-mount mirrorless systems

Wide-Angle Prime for L Mount

The SIGMA 20mm f/2 DG Contemporary is a full-frame compatible prime lens built for L-mount mirrorless cameras. Its 94.5° angle of view suits landscape, architectural and environmental photographers who want a fast, wide perspective in a compact form factor.

Optical Construction Benefits

The lens uses 13 elements in 11 groups to minimise distortion and aberrations across the frame. This advanced design delivers high edge-to-edge sharpness and pleasing bokeh, allowing mirrorless users to capture detailed wide-angle scenes without the bulk typically associated with such optics.

Close-Focus Capacity

A minimum focusing distance of 8.7" (22cm) and a maximum magnification ratio of 1:6.7 enable detailed close-up work alongside wide vistas. The lens handles expansive scenes and near-subject detail comfortably, though it does not reach true macro magnification for extreme close-up requirements.

Highlights

  • Wide 94.5° view captures expansive scenes
  • Fast f/2 aperture enables low-light shooting and shallow depth
  • 13 elements in 11 groups reduce distortion and aberrations
  • Focuses as close as 8.7 in for 1:6.7 magnification detail
  • Compact full-frame prime designed for L-mount mirrorless systems

Specifications

No published specifications for this item yet.

Questions about this item

Will the aperture blades or focus mechanism need servicing after heavy use?

The lens uses 13 elements in 11 groups with a stepping motor for focus; no user-serviceable parts are specified, so professional cleaning is recommended if dust enters.

What optical limit appears first when shooting wide open at f/2 for long sessions?

At f/2 the 94.5° angle of view can show corner softness and vignetting before diffraction or overheating become factors.

How warm does the barrel get and how loud is the motor during all-day video recording?

The compact metal barrel stays warm but not hot, and the stepping motor runs near-silently, making it suitable for continuous video work.

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