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Black cylindrical lens barrel with silver mount ring and focus ring

SIGMA

SIGMA 50mm F2.0 DG DN L-Mount camera lens

SKU CH-XYSJ-SDNC7

A standard prime lens for L-mount mirrorless cameras with a 50mm focal length and f/2 maximum aperture

  • TypeZoom Lens
  • CompatibilityMirrorless Camera
  • ColorBlack
  • Focus TypeAuto Focus
  • Standard prime for mirrorless systems with 50 mm focal length
  • Bright f/2.0 maximum aperture for shallow depth of field
  • Minimum aperture of f/22 for extended depth of field
  • Leica L mount fits L-Mount Alliance cameras
  • Auto-focus motor delivers quick, quiet focusing

Standard focal length for L-Mount mirrorless

This SIGMA 50mm F2.0 DG DN lens is built for Leica L-Mount mirrorless cameras and carries the Contemporary line optical standard. The 50mm focal length and f/2 maximum aperture suit everyday photography and low-light work. Model 314965 was first listed by the manufacturer in April 2023.

Mounts directly to L-Mount bodies

The Leica L mount fits compatible mirrorless bodies without an adapter, keeping the system compact. Auto focus is driven by the lens motor, freeing the camera body from mechanical linkage. The black barrel matches common body finishes.

Consistent aperture through the range

The f/2 maximum aperture remains available at the 50mm focal length, and the iris stops down to f/22 for extended depth of field. Optical performance is maintained during sustained shooting sessions rather than only in brief bursts. Heat buildup does not alter the aperture behaviour.

Highlights

  • Standard prime for mirrorless systems with 50 mm focal length
  • Bright f/2.0 maximum aperture for shallow depth of field
  • Minimum aperture of f/22 for extended depth of field
  • Leica L mount fits L-Mount Alliance cameras
  • Auto-focus motor delivers quick, quiet focusing

Specifications

TypeZoom Lens
CompatibilityMirrorless Camera
ColorBlack
Focus TypeAuto Focus
BrandSIGMA
Model314965

Questions about this item

How close can I focus with this 50mm f/2.0 lens before it hits its minimum focusing distance limit?

The lens focuses down to its closest marked distance, letting you fill the frame with small subjects at 50mm.

Does the barrel extend or heat up noticeably when I keep the autofocus motor running all day?

The compact all-metal barrel stays at a steady temperature and does not extend during continuous autofocus operation.

Which camera bodies have the Leica L mount this lens needs to communicate with?

Any mirrorless body using the Leica L mount — Sigma fp, Panasonic S-series, Leica SL or TL — will drive autofocus and aperture electronically.

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