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Sigma 18-50mm F2.8 DC DN Contemporary Lens for Mirrorless Cameras, Sony E-Mount, Wide-Angle Zoom

SIGMA

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SIG585965

$659.00

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Key Features

Constant f/2.8 aperture, enables low-light shooting and shallow depth-of-field at all focal lengths.
Ultra-compact form, approximately 290 g for Sony E, for effortless travel and gimbal use.
13 elements in 10 groups, with SLD and aspherical elements for sharpness and controlled aberrations.
Stepping motor AF, fast and near-silent focusing, ideal for hybrid photo and video work.
12.1 cm minimum focus, wide end close-focus for pseudo-macro and detailed close-ups.
7-blade rounded diaphragm, produces smooth, natural bokeh for portraits and subject separation.

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Sigma 18-50mm F2.8 DC DN Contemporary Lens for Mirrorless Cameras, Sony E-Mount, Wide-Angle Zoom Overview

Description

The SIGMA 18-50mm F2.8 DC DN | Contemporary is a compact, constant f/2.8 APS-C standard zoom, engineered for hybrid creators who need pro aperture performance in a travel-friendly package. At roughly 290 g for Sony E-mount, it pairs exceptionally well with small mirrorless bodies, delivering shallow depth-of-field, fast low-light capability, and flexible framing from 18 mm to 50 mm.

Designed with a 13-element, 10-group optical formula including SLD and aspherical elements, this lens balances high image quality with minimal size. Near-silent stepping AF, a close minimum focus of 12.1 cm at the wide end, and a 7-blade rounded diaphragm make it ideal for portraits, street work, run-and-gun video, and everyday travel shooting.

Applications

Travel and walkaround photography, where compact size and broad focal range reduce lens changes.
Vlogging and run-and-gun video, where quiet AF and low weight improve handheld and gimbal workflows.
Portraits and close-ups, taking advantage of f/2.8 and the 50 mm end for subject separation.

Why Choose the SIGMA 18-50mm F2.8

Choose this lens if you need pro-level aperture performance without the weight and bulk of a full-size f/2.8 zoom. It is a practical, cost-effective way to get flexible framing and attractive background separation on APS-C mirrorless bodies, with optical elements that reduce aberration and a build that balances durability with portability.

CTA

Ready to upgrade your APS-C kit with a compact, constant f/2.8 zoom? Pick your mount and buy the SIGMA 18-50mm F2.8 DC DN | Contemporary today at 17th Street.

Specifications

Focal Length	18-50 mm
Maximum Aperture	f/2.8 constant
Minimum Aperture	f/22
Lens Construction	13 elements in 10 groups, including 1 SLD, 3 aspherical
Number of Diaphragm Blades	7, rounded
Minimum Focusing Distance	12.1 cm (wide) - 30 cm (tele)
Maximum Magnification Ratio	1:2.8 (wide) - 1:5 (tele)
Filter Size	f55 mm
Angle of View (Sony E-mount)	76.5 (W) - 31.7 (T)
Dimensions (Diameter Length, Sony E)	f61.6 mm 76.5 mm
Weight (Sony E-mount)	290 g / 10.2 oz
Supplied Accessories	Lens hood LH582-02, front cap LCF-55mm III, rear cap LCR II
Compatible Sensor Format	APS-C

Brand	SIGMA
Manufacturer SKU	585965
UPC	00-85126-58565-5

What’s included

1- 18-50mm F2.8 DC DN Contemporary Lens ,Sony E-Mount
1- Lens Hood - LH582-02
1- Front Cap - LCF-55mm III
1- Rear Cap - LCR II

Compatibility

Sony E	Sony a6000 series	Sony a6600	Everyday travel, vlogging	Native E-mount variant, optimized AF
FUJIFILM X	Fujifilm X-series APS-C		Street and travel	Mount-specific SKU available
Canon RF	Canon APS-C bodies		Hybrid photo and video	Mount-specific SKU available
L-Mount	L-Mount APS-C / crop-mode full-frame	SIGMA fp	Lightweight full-frame crop combos	Good as sub-lens for full-frame crop use

FAQ

Is the 18-50mm range suitable for portraits on APS-C?

Yes, the 50 mm end on APS-C gives an equivalent field for head-and-shoulders portraits, and f/2.8 provides pleasing subject separation.

Is this lens good for video and gimbal use?

Yes, its compact size and near-silent stepping AF make it well suited to handheld and gimbal workflows, reducing balance issues and focus noise.

What is the minimum focusing distance?

The minimum focusing distance is 12.1 cm at the wide end, enabling close-up shooting and higher reproduction ratios without switching lenses.

Does the lens have a constant aperture?

Yes, the lens maintains a constant maximum aperture of f/2.8 across the entire 1850 mm zoom range.

What filter size does it use?

The lens accepts 55 mm filters, a common size for compact APS-C lenses.

How heavy is the Sony E-mount variant?

The Sony E-mount variant weighs approximately 290 g, making it one of the lightest constant f/2.8 zooms in its class.

What accessories come in the box?

The box includes the LH582-02 lens hood, LCF-55mm III front cap, LCR II rear cap, and manufacturer documentation.

Is the autofocus quiet enough for recording videos?

Yes, the lens uses a stepping AF motor designed for fast, near-silent focusing that works well for hybrid photo and video use.

Can I use this lens on a full-frame camera?

The lens is designed for APS-C sensors, but it can be used on some full-frame cameras in crop mode; check your camera's crop-mode support and coverage.

What is the optical construction?

The optical formula consists of 13 elements in 10 groups, including one SLD element and three aspherical elements for improved sharpness and aberration control.