Sigma 10-18mm f/2.8 DC DN Contemporary Lens for Canon RF-S APS-C
Sigma 10-18mm f/2.8 DC DN | Contemporary (Canon RF Mount) The Ultimate Ultra-Wide for Vloggers and Travelers If you shoot on an APS-C Canon camera like the EOS R7, R10,...
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Sigma 10-18mm f/2.8 DC DN | Contemporary (Canon RF Mount)
The Ultimate Ultra-Wide for Vloggers and Travelers
If you shoot on an APS-C Canon camera like the EOS R7, R10, or R50, finding a wide-angle lens that is bright, sharp, and actually lightweight has historically been a huge challenge. Enter the Sigma 10-18mm f/2.8 DC DN | Contemporary—the world's smallest and lightest ultra-wide f/2.8 zoom lens for APS-C mirrorless cameras.
While Canon's native RF-S 10-18mm lens is incredibly dark (dropping to f/6.3 at the telephoto end), this Sigma lens completely changes the game by offering a constant f/2.8 aperture. Providing a full-frame equivalent field of view of 16-28.8mm, it is wide enough to capture sweeping landscapes, tight real estate interiors, and perfectly framed vlogs at arm's length, making it a massive upgrade for hybrid creators in the Canon ecosystem.
Why You'll Love This Lens
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Invisibly Light: Weighing just 270g (9.5 oz) and measuring barely 2.4 inches long, it completely redefines portability for an f/2.8 zoom. It balances perfectly on lightweight APS-C bodies and won't exhaust your arm during long vlogging sessions or cause motor strain on a compact gimbal.
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Constant f/2.8 Aperture: Unlike typical kit lenses that get darker as you zoom, this lens stays at a bright f/2.8 all the way through the zoom range. This allows you to keep your ISO low for clean indoor video and creates surprisingly pleasant background separation when focusing close to your subject.
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Unique Push-On Petal Hood: To keep the footprint as small as possible, Sigma completely redesigned the lens hood mechanism. Instead of a traditional bayonet twist, it features a newly developed spring-and-lever system that pushes on securely and quickly, saving precious space in your camera bag.
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Vlog-Optimized Autofocus: Powered by a quiet, high-speed stepping motor, it is fully optimized for Canon's highly advanced Dual Pixel CMOS AF. It delivers rapid tracking and supports Servo AF, ensuring your eye stays locked in focus during rapid movement.
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Extreme Close-Up Capability: At the 10mm wide end, you can focus as close as 11.6cm (4.6 inches) from the sensor. This allows you to create dramatic, highly stylized perspectives with a sweeping, out-of-focus background.
Technical Specifications
| Specification | Detail |
| Mount | Canon RF Mount (APS-C format) |
| Focal Length | 10-18mm (16-28.8mm full-frame equivalent) |
| Maximum Aperture | f/2.8 (Constant) |
| Minimum Focus Distance | 11.6 cm / 4.6 inches (at 10mm) |
| Autofocus Motor | Stepping Motor (STM) |
| Filter Thread | 67mm |
| Dimensions | 72.2mm x 62.0mm / 2.8 x 2.4 inches |
| Weight | 270g / 9.5 oz |
| Weather Sealing | Dust and splash-resistant mount gasket |
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