Sigma 18–50mm F2.8 DC DN Contemporary (Canon RF Mount)

Sigma 18–50mm F2.8 DC DN Lens Technical Specifications (Contemporary Line) Optical Features & Specifications Camera Type & Sensor Mirrorless | APS-C [DC] Format Lens Construction 13 elements in 10 groups (Includes 1 SLD and 3 aspherical lenses) Aperture Range Maximum Aperture: f/2.8 | Minimum Aperture: f/22 Diaphragm Blades 7 (Rounded diaphragm) Angle of View Canon RF Mount: 73.4° (W) - 30.0° (T) Focusing Distance 12.1 cm (W) - 30.0 cm (T) | 4.8 in (W) - 11.9 in (T) Maximum Magnification 1:2.8 (W) - 1:5 (T) Physical Specifications Canon RF Mount Dimensions: φ69.2mm × 74.5mm (2.7in. × 2.9in.) Weight: 300g (10.6oz. Filter Size φ55mm Accessories & General Info Supplied Accessories Lens Hood (LH582-02) Front Cap (LCF-55mm III) Rear Cap (LCR II) Edition Number C021