Sigma 23mm F1.4 DC DN | C

Focal length: 23 mm
Aperture: f/1.4
Weight: 345 g
Filter diameter: 52 mm
Min. focus distance: 25 cm
Length: 76.9 mm

At a Glance

The 23 mm focal length works out to 37 mm in full frame terms on a Canon RF APS-C camera, a moderate wide angle. An f/1.4 maximum aperture collects a lot of light. This autofocus prime weighs 345 g and focuses to 25 cm, reaching a magnification of 0.14x. It suits street photography, reportage and everyday use.

Good for

Street
Reportage
Everyday

Worth knowing

APS-C image circle: on full-frame cameras only usable in crop mode, at reduced resolution.

Derived from the manufacturer data, not from our own tests. How we check

Technical Specifications

Min. focal length: 23 mm
Max. focal length: 23 mm
Max. aperture (min. zoom): f/1.4
Max. aperture (max. zoom): f/1.4
Min. aperture: f/16
Elements: 13
Groups: 10
Weight: 345 g (0.76 lb)
Filter diameter: 52 mm
Min. focus distance: 25 cm (9.84 in)
Max. magnification: 1:7.3 (0.14×)
Length: 76.9 mm (3.03 in)
Diameter: 69 mm (2.72 in)
Released: January 2025

Manufacturer data: sigma-global.com

Last checked: October 13, 2026 (against the manufacturer data) · How we check

Simulate depth of field and angle of view

Compare with other lenses

Which cameras does the Sigma 23mm F1.4 DC DN | C fit?

The Sigma 23mm F1.4 DC DN | C is designed for APS-C sensors. On APS-C Canon RF cameras its field of view equals 37 mm in full-frame terms. Full-frame bodies use it in APS-C (crop) mode, recording only part of the sensor and fewer megapixels.

Canon RF cameras

Full frame (in APS-C mode):: Canon EOS R8 Mark II,Canon EOS R6 V,Canon EOS R6 Mark III,Canon EOS C50,Canon EOS R1,Canon EOS R5 Mark II,Canon EOS C400,Canon EOS C80,Canon EOS R8,Canon EOS R6 Mark II,Canon EOS R5 C,Canon EOS R3,Canon EOS R5,Canon EOS R6,Canon EOS Ra,Canon EOS RP,Canon EOS R
APS-C:: Canon EOS R50 V,Canon EOS R100,Canon EOS R50,Canon EOS R7,Canon EOS R10,Canon EOS C70