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Silver wide-angle lens for L mount, compact barrel, metal finish

SIGMA

SIGMA 20mm f/2 DG Contemporary L Mount Silver camera lens

SKU CH-APTN-ZNRYR

A 20mm f/2 full-frame prime for L-mount with 13 elements in 11 groups and a 94.5° angle of view

  • Exceptional clarity in any light with 20mm f/2 aperture
  • Expansive 94.5° view captures vast landscapes and interiors
  • Sharpness across the frame from 13 elements in 11 groups
  • Smooth background blur via 9-blade rounded diaphragm
  • Compact prime design built for modern mirrorless systems

Sigma 20mm f/2 DG Contemporary for L Mount

This lens is a wide-angle prime designed for full-frame mirrorless cameras using the L Mount system. Its 20mm focal length and bright f/2 aperture suit photographers who need a compact, high-quality optic for landscapes, interiors and low-light scenes. The all-metal I series construction matches the handling expectations of enthusiasts and professionals who value tactile control.

Ideal for mirrorless shooters wanting a fast.

It suits creators who prioritise optical excellence in a small form factor and appreciate the 9-blade diaphragm for smooth background separation. Photographers requiring autofocus speed optimised for fast action, built-in image stabilisation, or weather sealing should look at alternatives that provide those features. The fixed focal length also means zoom flexibility is not available.

94.5° angle of view with 13 elements in 11 groups

The optical formula delivers sharpness across the frame while keeping distortion minimal, making it reliable for architectural and environmental work. At f/2 the lens gathers ample light for dusk or indoor shooting, yet depth of field remains shallow enough for subject isolation. Extreme corner-to-corner resolution at wide apertures and close-focus macro capability are not strengths of this design.

Highlights

  • Exceptional clarity in any light with 20mm f/2 aperture
  • Expansive 94.5° view captures vast landscapes and interiors
  • Sharpness across the frame from 13 elements in 11 groups
  • Smooth background blur via 9-blade rounded diaphragm
  • Compact prime design built for modern mirrorless systems

Specifications

No published specifications for this item yet.

Questions about this item

Which camera mount does this lens require?

The lens is built for the L mount, so the camera body must use that same mount to attach and communicate.

What angle of view does the 20mm focal length provide on a full-frame sensor?

On a full-frame sensor the lens delivers a 94.5° angle of view for an ultra-wide perspective.

How can I verify the aperture diaphragm is operating correctly?

Stop the lens down and look through the front element; the 9-blade rounded diaphragm should form a smooth, near-circular opening at each aperture setting.

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