RF Mount
Long-awaited Canon RF Mount addition
Launch schedule of SIGMA 18-50mm F2.8 DC DN | Contemporary for Canon RF Mount
SIGMA is pleased to announce the launch schedule of SIGMA 18-50mm F2.8 DC
DN|Contemporary for Canon RF Mount. A large F2.8 aperture zoom lens that need never leave your camera. This exceptionally light, bright, and sharp standard zoom for crop-sensor mirrorless cameras is the ultimate workhorse lens.
SIGMA's first APS-C size mirrorless dedicated zoom lens, the SIGMA 18-50mm F2.8 DC DN | Contemporary, will now be available for the Canon RF Mount. This addition allows users to enjoy high-performance, and high-quality SIGMA zoom lenses in native mount on their Canon RF Mount system. A control algorithm including AF drive and communication speed optimization has been developed specifically for Canon RF Mount interchangeable lenses. In addition to realizing high-speed AF, the lens also supports Servo AF and in-camera aberration correction*. The mount is rubber-sealed to cater for use in a variety of environments.
![](https://www.sigma-imaging.ie/media/wysiwyg/1080_PPhoto_18_50_28_dc_dn_c021_RFmtbody_1.jpg)
![](https://www.sigma-imaging.ie/media/wysiwyg/1080_PPhoto_18_50_28_dc_dn_c021_RFmtbody_1.jpg)
* Available on supported cameras only.
Mount Conversion Service is available to convert other mounts of SIGMA 18-50mm F2.8 DC D
|Contemporary to Canon RF Mount.
Features
1.Large F2.8 aperture and superb image quality
The compact body offers a versatile full-frame equivalent zoom range of 28.8mm to 80mm, a wide aperture of F2.8 throughout the entire zoom range that allows you to enjoy bokeh expressions, and sharp images achieved by the latest optical design technology. With a minimum focusing distance of 12.1cm and a maximum magnification of 1:2.8*1, it allows photographers to take advantage of the compact shooting system, such as shooting close-ups of your subject.
![](https://www.sigma-imaging.ie/media/wysiwyg/1080_PPhoto_18_50_28_dc_dn_c021_RFmt_horizontal2_1.jpg)
![](https://www.sigma-imaging.ie/media/wysiwyg/1080_PPhoto_18_50_28_dc_dn_c021_RFmt_horizontal2_1.jpg)
2.Exceptionally compact and lightweight body ideal for mirrorless cameras
The main feature of the SIGMA 18-50mm F2.8 DC DN | Contemporary is its overwhelmingly compact and lightweight body that maximizes the excellent portability and advantages of an APS-C mirrorless camera. Despite its large aperture of F2.8, it is the smallest and lightest in its class*2 boasting a maximum diameter of φ69.2mm, a length of 74.5mm and weight of 300g.*3 This makes the large-aperture standard zoom easy to carry around in daily life.
![](https://www.sigma-imaging.ie/media/wysiwyg/1080_PPhoto_18_50_28_dc_dn_c021_RFmt_horizontal_1.jpg)
![](https://www.sigma-imaging.ie/media/wysiwyg/1080_PPhoto_18_50_28_dc_dn_c021_RFmt_horizontal_1.jpg)
*1 The minimum focusing distance and maximum magnification ratio are both values at the wide end.
*2 As an AF compatible, F2.8 constant aperture standard zoom lens for APS-C (as of June 2024, by SIGMA).
*3 Size and weight measurements given for Canon RF Mount version.
Specifications
Values are for Canon RF Mount
Lens Construction:10 groups, 13 elements (1 SLD and 3 aspherical lenses)
Angle of View (APS-C):73.4°(W)-30.0°(T)|Number of Diaphragm Blades:7 (rounded diaphragm)
Minimum Aperture:F22
Minimum Focusing Distance:12.1 (W) -30 (T) cm / 4.8 (W) -11.9 (T) in.
Maximum Magnification Ratio:1:2.8 (W) -1:5(T)|Filter size:φ55mm
Dimensions (Diameter × Length):φ69.2mm × 74.5mm / φ2.7in. x 2.9in.
Weight:300g / 10.6oz.