Sigma 18-50mm F2.8 DC DN Contemporary
$549 USD
Staff Verdict
The Sigma 18-50mm f/2.8 is one of the best value standard range zooms available for mirrorless APS-C cameras. Especially on RF-S mount where it currently stands as the only 24-70mm equivalent lens with a constant wide aperture.
The Good
- Wide maximum aperture
- Good value
The Bad
- External zoom
Who it's for
Anyone looking for a great value APS-C standard zoom with a wide aperture
Who it's not for
Those planning to upgrade to full frame camera soon
Specifications
Basic Information
Mounts
RF - CanonX - FujifilmL - LeicaE - Sony
Announced Date
October 19, 2021
Release Date
October 2021
MSRP At Launch
$549 USD
MSRP Now
$549 USD
MPB Max Price
$549 USD
Weight
290 g
Dimensions
Length76.5mm
Diameter61.6mm
Optics
Lens Type
Zoom
Focal Length
18mm-50mm(27mm-75mm equiv.)
Image Circle Size
APS-C
Magnification
0.36x
Minimum Focus Distance
0.40ft / 0.12m
Number of Elements
13
Number of Element Groups
10
Has Diffractive Optics
No
Aperture
Maximum Aperture
f/2.8
Number of Diaphragm Blades
7
Has Rounded Diaphragm Blades
Yes
Focus
Has Autofocus
Yes
Focus Motor Type
STM Stepping motor
Has AF/MF Switch
No
Has Focus Ring
Yes
Has Internal Focus
Yes
Front Element Rotates
No
Stabilization
Has Image Stabilization
No
Build & Controls
Has Internal Zoom
No
Mount Material
Metal
Has Weather Sealing
No
Filters
Accepts Filter Types
Front Screw-on
Front Filter Thread Size
55mm
Accessories
Has Lens Hood
Yes
Notes
- Lens diameter and length changes with mounts. Given Diameter and length are for Sony E Mount.
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Popularity
Views (All Time)
42
Views (30 Days)
4
Views (Today)
0
Wishlists
0
Owners
2
Open Change Requests0
Item CreatedDecember 18, 2025
Last UpdatedToday
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