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Black compact zoom lens with silver mount and 55mm filter kit accessories

SIGMA

SIGMA 18-50mm f/2.8 DC DN Contemporary L Mount camera lens

SKU CH-3QCF-MB6Y6

Compact L-mount zoom covering 18-50mm with constant f/2.8 aperture for low light and shallow depth of field

  • Constant f/2.8 aperture delivers bright low-light shots
  • 18-50mm zoom covers 27-75mm full-frame equivalent range
  • 13 elements in 10 groups with FLD, SLD and aspherical lenses reduce aberrations
  • 1:2.8 macro magnification at 12.1 cm minimum focus enables close-ups
  • Stepping motor autofocus provides fast quiet tracking for moving subjects

Sigma 18-50mm f/2.8 DC DN Contemporary L Mount

The Sigma 18-50mm f/2.8 DC DN Contemporary lens is built for L-mount cameras such as Leica SL, SL2, SL2-S and Panasonic S-series bodies. Its constant f/2.8 aperture covers the 18-50mm zoom range, giving a full-frame equivalent of 27-75mm. The optical formula uses 13 elements in 10 groups with FLD, SLD and aspherical glass to control aberrations. A stepping motor delivers fast, quiet autofocus for stills and video.

ProOptic 55mm filter kit.

The bundle adds a ProOptic 55mm filter kit, lens cleaner, lens wrap, NS-3 sling strap and a cleaning kit for immediate protection and maintenance. A PC software suite is also included for firmware updates and lens customisation. These accessories let you start shooting and caring for the lens straight away without purchasing extras separately.

Constant f/2.8 aperture across 18-50mm zoom

The constant f/2.8 aperture is the specification that determines low-light capability and depth-of-field control throughout the zoom range. It enables consistent exposure when zooming and supports the 1:2.8 maximum magnification at the 12.1 cm minimum focusing distance. Buyers who need a wider maximum aperture or a longer telephoto reach should consider other lenses.

Highlights

  • Constant f/2.8 aperture delivers bright low-light shots
  • 18-50mm zoom covers 27-75mm full-frame equivalent range
  • 13 elements in 10 groups with FLD, SLD and aspherical lenses reduce aberrations
  • 1:2.8 macro magnification at 12.1 cm minimum focus enables close-ups
  • Stepping motor autofocus provides fast quiet tracking for moving subjects

Specifications

No published specifications for this item yet.

Questions about this item

Does the 13-element optical construction require any periodic servicing or replacement?

The lens uses a fixed 13-element design with no user-serviceable parts; routine care is limited to cleaning the front and rear glass with the supplied cloth and cleaner.

What aperture limit governs exposure consistency when zooming from 18 mm to 50 mm?

The constant f/2.8 maximum aperture stays the same across the entire zoom range, so exposure does not shift as you change focal length.

How much heat or noise does the stepping motor produce during extended all-day autofocus use?

The stepping motor runs quietly and generates negligible heat, allowing continuous autofocus operation without audible distraction or thermal buildup.

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