Officially released: Sigma 18-50mm f/2.8 DC DN Contemporary lens for Canon RF-mount

• 1 year ago
• Categories: Sigma
• Tags: sigma, Sigma 18-50mm f/2.8 DC DN | Contemporary lens, Sigma lenses for Canon EOS R cameras (RF mount), third party mirrorless lenses for Canon EOS R, third party RF lenses for Canon EOS R

As already reported earlier, Sigma officially released their 18-50mm f/2.8 DC DN Contemporary lens for Canon RF (the lens has been available for Sony E and Leica L Mounts since 2021 and for Fujifilm X mount since last year). This is one of the first six Sigma APS-C lenses (no full-frame lenses for now) that will be available for Canon RF-mount (see the full list here).

• Pre-order: Adorama | B&H Photo | WEX Photo
• Additional information
• Additional information (2)
• Press release
• First look
• Additional information:

Key Specs of the Sigma 18-50mm F2.8 DC DN Contemporary Lens for Canon RF

• Smallest and lightest F2.8 standard zoom for crop-sensor mirrorless cameras (as of Oct. 2021).
• Three high-precision glass-molded aspherical elements provide superb optical quality.
• In-camera aberration correction eliminates optical distortion and vignetting.
• The thermally stable composite barrel construction (polycarbonate with thermal characteristics similar to aluminum), with slim internal metal parts, offers lightweight and functional strength.
• 7 rounded aperture blades offer smooth background blur (bokeh).
• Stepping motor provides swift, accurate, and quiet autofocus for still and video shooting.
• Working distance of just over an inch (2.7cm) from the front element at 18mm.
• It includes a petal-type hood to reduce ghosts and flaring while protecting the front lens element.
• High-precision, durable brass bayonet mount with dust and splash-resistant structure.

Sigma 18-50mm F2.8 DC DN Contemporary Lens for Canon RF Specification Chart:

Product Name	SIGMA 18-50mm F2.8 DC DN | Contemporary
Lens Construction	13 elements in 10 groups (3 Aspherical Elements / 1 SLD Glass)
Angle of View	73.4°-30.0°
Aperture	7 Blades, Rounded Diaphragm, f2.8-22
Minimum Focusing Distance	12.1cm-30cm (From Sensor)
Maximum Magnification Ratio	1:2.8(W) – 1:5(T)
Dimensions (Diameter x Length*) *From the front of the lens to mount	φ69.2mm x 74.5mm / φ2.7in. x 2.9in.
Weight	300g / 10.6oz.
Supplied Accessories	LENS HOOD LH582-02 FRONT CAP LCF-55 III REAR CAP LCR II

Sigma has no plans to release full-frame lenses for Canon RF-mount

Canon allows Sigma and Tamron to produce RF mount lenses – here is what to expect (only APS-C lenses for now)