Sigma 18-50mm F2.8 DC DN Contemporary Lens for for Mirrorless Cameras, L-Mount, Ideal for Portraits

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SIG585969
$659.00
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Key Features
  • Constant f/2.8 Aperture: Bright, consistent exposure and smooth background separation.
  • Ultra Compact Design: Sub-300 g weight, easy to carry for travel and gimbal use.
  • Close-Focus 1:2.8 Magnification: Shoot detailed close-ups without a dedicated macro lens.
  • Stepping AF Motor: Quiet, smooth autofocus ideal for run-and-gun video.
  • Advanced Optics: 13 elements, 10 groups with aspherical and SLD elements for sharpness control.
  • Durable Build: Thermally Stable Composite barrel, brass bayonet for precise mount fit.

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Sigma 18-50mm F2.8 DC DN Contemporary Lens for for Mirrorless Cameras, L-Mount, Ideal for Portraits Overview

Description

The Sigma 18-50 mm F2.8 DC DN | Contemporary (L-Mount) is a compact, constant f/2.8 standard zoom for APS-C mirrorless cameras, delivering a 27–75 mm full-frame equivalent range in a travel-friendly form factor. At approximately 290 g, it balances bright optics with exceptional portability, making it ideal for hybrid shooters who want one high-quality lens for stills and video.

Designed with 13 elements in 10 groups including three aspherical elements and one SLD element, this lens offers sharp edge-to-edge performance, a close focusing distance for near-macro work, and a near-silent stepping AF motor for smooth video operation. It ships with a dedicated hood and lens caps for immediate use out of the box.

The Sigma 18-50 mm F2.8 DC DN | Contemporary is an APS-C standard zoom that delivers pro-level performance in a compact package, ideal for travel, street, portrait, and hybrid video use.

Problem

Photographers and creators often compromise between aperture and portability, carrying heavier full-frame zooms or slower kit lenses. This lens solves that tradeoff by offering constant f/2.8 brightness in a genuinely compact form.

  • Need for low-light, shallow depth-of-field shooting without heavy gear.
  • Desire for quiet AF during handheld video and vlogging.
  • Wanting close-up capability without an extra macro lens.

Solution

By combining a constant f/2.8 aperture, compact weight, and near-macro capability, this lens replaces multiple kit lenses for travel and hybrid creators, simplifying kits while expanding creative options for low light and close-up work.

Benefits

  • Portability: Carry one bright zoom instead of multiple lenses, reduce fatigue on long shoots.
  • Low-Light Performance: Constant f/2.8 enables faster shutter speeds and lower ISO in dim venues.
  • Video Friendly: Quiet AF and compact size suit gimbals and run-and-gun setups.
  • Macro-Like Closeups: High magnification at the wide end reduces the need for a separate macro lens.

Applications

  • Travel and street photography
  • Vlogging and one-operator video
  • Product, food and close-up photography

Why Choose

  • True constant f/2.8 brightness in a sub-300 g package, with near-macro capability and modern AF suited for hybrid creators.
Specifications
Model Name / NumberSigma 18-50 mm F2.8 DC DN | Contemporary, C021
Release Year2021
Lens TypeZoom, Standard
Intended UsePhotography, Video
Color / FinishBlack
Weather SealingNo
Dimensions (Diameter Length)65.4 mm 74.5 mm
Weight290 g
Mount TypeL-Mount (Leica L / L-Mount Alliance)
Compatible Sensor SizeAPS-C (DC)
Supported Camera Brands / SystemsLeica, Panasonic, Sigma (L-Mount bodies)
CoverageAPS-C
Focal Length (Zoom Range)18-50 mm (27-75 mm 35mm equivalent)
Maximum Aperturef/2.8 (constant)
Minimum Aperturef/22
Aperture TypeRounded, 7 blades
Optical Construction (Elements / Groups)13 elements in 10 groups
Special Elements3 aspherical, 1 SLD
CoatingsMulti-layer coatings
Focus TypeAutofocus, Manual focus
Autofocus Motor TypeStepper motor
Focus ModesAF-S, AF-C, MF (camera dependent)
Minimum Focus Distance12.1 cm (wide) 30 cm (tele)
Maximum Magnification Ratio1:2.8 (wide) 1:5 (tele)
Internal FocusingYes
Full-Time Manual OverrideYes
Filter Thread Size (mm)f55 mm
Front Element RotationNo
Compatible Lens Hood ModelLH582-02
Diaphragm Blades7, rounded
Edition NumberC021
Supplied AccessoriesLens hood LH582-02, front cap LCF-55mm III, rear cap LCR II
Dimensions (W H D)65.4 mm 74.5 mm
Weight290 g
BrandSigma Corporation
Manufacturer SKU585969
UPC00-85126-58569-3
What’s included
  • 1- 18-50mm F2.8 DC DN Contemporary Lens, L-Mount
  • 1- Lens Hood - LH582-02
  • 1- Front Cap - LCF-55mm III
  • 1- Rear Cap - LCR II
Compatibility
Leica CL Leica TL2 Panasonic Lumix G (L-mount compatible bodies) Sigma fp (L-Mount) Panasonic Lumix S5 (APS-C crop mode)
Leica SL (crop mode) Panasonic Lumix S1 (crop mode) Leica TL Sigma fp L (crop mode) Other L-Mount APS-C capable bodies
FAQ

Is this lens compatible with full-frame L-Mount cameras?

This lens is designed for APS-C (DC) sensors, it will mount on full-frame L-Mount bodies but will operate in crop mode, or vignette if used full-frame.

What is the close focusing distance and magnification?

Minimum focusing distance is 12.1 cm at the wide end, with a maximum magnification of 1:2.8 at wide, enabling near-macro close-ups.

Does the lens have image stabilization?

The Sigma 18-50 mm F2.8 DC DN does not include optical image stabilization, rely on camera body stabilization where available.

Is autofocus quiet enough for video?

Yes, the lens uses a stepping AF motor optimized for near-silent operation, suitable for run-and-gun video and vlogging.

What filter size does this lens use?

The lens accepts f55 mm screw-in filters, compatible with common ND and polarizing filters.

What accessories are supplied in the box?

The lens ships with the LH582-02 hood, LCF-55mm III front cap, and LCR II rear cap.

How much does the lens weigh?

The L-Mount version weighs approximately 290 g, making it highly portable for travel and gimbal use.

Can I use this lens for portrait photography?

Yes, the 1850 mm range (2775 mm equiv.) and constant f/2.8 provide flattering portrait options with controlled background separation.

Which mounts are available for this model?

The Sigma 18-50 mm F2.8 DC DN is available in multiple mounts, including L-Mount, Sony E, Fujifilm X, and Canon RF; this listing is for the L-Mount variant.

What is the warranty and service information?

Warranty and service terms vary by region and retailer; check Sigma or your local 17th Street terms for details.

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