Description
Overview
The Sigma 18-50mm f/2.8 DC DN Contemporary is the ultimate standard zoom lens for Sony APS-C mirrorless cameras (A6000, A6100, A6300, A6400, A6500, A6600, A6700, ZV-E10, ZV-E10 II). It provides a full-frame equivalent zoom range of 27-75mm with a constant f/2.8 aperture, covering everything from wide-angle landscapes to portrait-length telephoto .
At just 290g, this lens is one of the lightest constant f/2.8 zooms ever made, making it the perfect everyday companion for travel, street photography, events, and gimbal work .
This unit is in 98% excellent condition – fully tested, minimal signs of use if any, works perfectly. Includes full accessory bundle.
Key Specifications
| Feature | Specification |
|---|---|
| Focal Length | 18-50mm (27-75mm full-frame equivalent) |
| Maximum Aperture | f/2.8 constant |
| Minimum Aperture | f/22 |
| Lens Mount | Sony E-mount (APS-C only) |
| Optical Construction | 10 groups, 13 elements |
| Special Elements | 3 aspherical, 1 SLD |
| Aperture Blades | 7 rounded blades |
| Minimum Focus Distance | 4.8 inches (0.12m) at wide end |
| Maximum Magnification | 1:2.8 (0.36x) at wide end |
| Filter Thread | 55mm |
| Dimensions | 61.6mm x 76.5mm |
| Weight | 290g (0.64 lbs) – Ultra-lightweight |
| Weather Sealing | Dust- and splash-proof construction |
| AF Motor | Stepping motor (fast, quiet for video) |
What’s in the Box
Sigma 18-50mm f/2.8 DC DN Contemporary Lens
Front Lens Cap (LCF-55mm III)
Rear Lens Cap (LCR II)
Lens Hood (LH582-01)
Accessories as shown
Why This Lens
This lens is celebrated by Sony APS-C users as the best standard zoom available.
The Perfect f/2.8 Walkaround Lens: It provides the bright constant f/2.8 aperture for low-light shooting and subject separation, but in a package weighing only 290g — lighter than many prime lenses .
Incredibly Compact & Lightweight (290g): At just 290g, you can carry this lens all day without fatigue. It’s the ideal everyday lens for travel, street photography, and gimbal use .
Sharp, Modern Optics: Designed for high-resolution sensors, it uses three aspherical elements and one SLD element to ensure edge-to-edge sharpness and control chromatic aberration .
“Secret Macro” Capability (4.8 inches): The lens focuses incredibly close at 4.8 inches at the wide end, allowing you to capture stunning macro-style detail shots of food, flowers, or products without switching lenses .
Dust- and Splash-Proof: The lens features weather-resistant construction, allowing confident use in outdoor conditions .
Video-Ready Stepping Motor: Autofocus is fast, precise, and virtually silent, making it perfect for recording video on cameras like the ZV-E10 or A6700.
User Feedback Summary
This lens is widely considered the “must-have” upgrade from the kit lens for Sony APS-C shooters. Users praise the sharpness, the incredibly lightweight design, and the constant f/2.8 aperture that makes indoor and evening shooting possible.
Honest Note
The Sigma 18-50mm f/2.8 DC DN Contemporary is the best standard zoom lens for Sony APS-C. What you gain: constant f/2.8 in an ultra-lightweight package (290g), excellent sharpness, and macro-style close-focus capability. What you give up: optical image stabilization (relying on your camera’s IBIS), and the 18mm wide end is slightly less wide than 16mm alternatives, but the portability trade-off is worth it.
This lens is specifically designed for APS-C sensors – it will not cover a full-frame sensor without vignetting.
This 98% unit is priced for a quick sale. At $319.99, this is the best value for a clean used copy of this lens available globally.
Who Should Buy This
Sony APS-C Owners (A6000, A6400, A6600, A6700, ZV-E10, ZV-E10 II): The ultimate everyday zoom upgrade from the kit lens.
Travel & Street Photographers: One lens for landscapes, street, and portraits without the weight.
Vloggers & Content Creators (ZV-E10/E10 II): The constant f/2.8 provides great background blur, the wide end is perfect for selfies, and the silent AF is ideal for video.
Gimbal Users: The 290g weight makes balancing effortless on DJI RS series gimbals.
Budget-Conscious Shooters: Get professional f/2.8 performance without paying $600+.
