Sigma 45mm F2.8 DG DN Contemporary

Focal length: 45 mm
Aperture: f/2.8
Weight: 215 g
Filter diameter: 55 mm
Min. focus distance: 24 cm
Length: 46 mm

At a Glance

This 45 mm standard prime for L-Mount and full frame has an f/2.8 aperture. It weighs 215 g and focuses as close as 24 cm, giving a magnification of 1:4. An aperture ring and a dust and splash resistant mount are included. Everyday shooting and street photography are the obvious uses.

Good for

Everyday
Street

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

Technical Specifications

Min. focal length: 45 mm
Max. focal length: 45 mm
Max. aperture (min. zoom): f/2.8
Max. aperture (max. zoom): f/2.8
Min. aperture: f/22
Elements: 8
Groups: 7
Weight: 215 g (0.47 lb)
Filter diameter: 55 mm
Min. focus distance: 24 cm (9.45 in)
Max. magnification: 1:4 (0.25×)
Length: 46 mm (1.81 in)
Diameter: 64 mm (2.52 in)

Manufacturer data: sigmaphoto.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 45mm F2.8 DG DN Contemporary fit?

The Sigma 45mm F2.8 DG DN Contemporary is a full-frame lens for L-Mount cameras. On full-frame bodies it uses the whole sensor; on APS-C L-Mount cameras its field of view equals 68 mm in full-frame terms.

L-Mount cameras

Full frame:: 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)