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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.

How it compares

Measured against everything we stock in Interchangeable Camera Lenses, at today’s prices. Recalculated every night.

Price $643.99
Pricier than about 59% of the 2,570 comparable items (median $546.49).

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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