Sigma 23mm F1.4 DC DN | C

Focal length: 23 mm
Aperture: f/1.4
Weight: 340 g
Filter diameter: 52 mm
Min. focus distance: 25 cm
Length: 76.9 mm

At a Glance

The Sigma 23 mm is an APS-C prime for L-Mount that gives a 35 mm full-frame equivalent field of view. Its f/1.4 aperture permits short shutter times in low light. It weighs 340 g and focuses as close as 25 cm, at a magnification of 1:7.3. Street, reportage and everyday shooting suit it well.

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: 340 g (0.75 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: 65.8 mm (2.59 in)

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 L-Mount cameras its field of view equals 35 mm in full-frame terms. Full-frame bodies use it in APS-C (crop) mode, recording only part of the sensor and fewer megapixels.

L-Mount cameras

Full frame (in APS-C mode):: Leica SL3-P,Leica SL3-S,Sigma BF,Panasonic Lumix S1II,Panasonic Lumix S1IIE,Panasonic Lumix S1RII,Leica SL3,Panasonic Lumix S9,Blackmagic PYXIS 6K,Panasonic Lumix S5II,Panasonic Lumix S5IIX,Blackmagic Cinema Camera 6K,Panasonic Lumix BS1H,Leica SL2-S,Panasonic Lumix S5,Sigma fp L,Leica SL2,Panasonic Lumix S1,Panasonic Lumix S1R,Panasonic Lumix S1H,Sigma fp,Leica SL (Typ 601)
APS-C:: Leica CL,Leica TL2,Leica TL,Leica T (Typ 701)