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Review Summary
2025-10-31T03:05:27
This is one sharp prime lense. It's worth consideration for portrait work or street photography. It's always in my bag wherever I go. Highly recommended.
KEITH D.
2024-01-24T07:30:26
One of my go to lenses for most projects. Autofocus performance is quick and accurate, contributing to the lens's usability in various scenarios. Highly recommended for photographers who value image quality, low-light performance, and versatility in a compact package.
Elius J.
L Mount
APS-C
23mm
Auto Focus
f/1.4
Standard
Base
Designed For Use With: Leica CL, Leica T, Leica TL, Leica TL2
Compatible With Restrictions: Leica SL, Leica SL2, Leica SL2-S, Leica SL3, Panasonic LUMIX S9, Panasonic S1, Panasonic S1H, Panasonic S1R, Panasonic S5, Panasonic S5 II, Panasonic S5 IIX
Sigma Contemporary
Aspherical, Dustproof/Splashproof
52mm
9.8" / 25cm
52 mm (Front)
No
APS-C 63.4 Degree
9
VCM
0.0007789352
12.0 oz (340g)
2.6 x 3" (65.8 x 76.9mm)


Great lense for APS-C
By KEITH D.
This is one sharp prime lense. It's worth consideration for portrait work or street photography. It's always in my bag wherever I go. Highly recommended.
Must Have
By Elius J.
One of my go to lenses for most projects. Autofocus performance is quick and accurate, contributing to the lens's usability in various scenarios. Highly recommended for photographers who value image quality, low-light performance, and versatility in a compact package.
The Sigma 23mm f1.4 DC DN is a Contemporary-series prime lens covering awide-angle view for scenarios such as landscapes, events, and astrophotography. It has a large f1.4 constant maximum aperture, suitable for low-lit situations, utilizing 13 elements in ten groups with three SLD glass elements and two aspherical lens elements. Its impressive autofocus system uses a high-speed stepping motor with DMF, AF, and MF capabilities. Weighing less than a pound with a dust- and splash-resistant mount, the Sigma 23mm f1.4 DC DN is a must-have addition for on-the-go creators. Available for the Sony E mount, the Fujifilm X Mount and for L-Mount cameras.
The SIGMA 23mm F1.4 DC DN | Contemporary has an easy-to-use angle of view equivalent to 35mm in 35mm format, as well as the brightness of a large F1.4 aperture and high descriptive power. The optics is composed of 13 elements in 10 groups, including 3 SLD glass elements and 2 aspherical lens elements, to achieve sharp, clear images. The lens delivers excellent resolving power from the maximum aperture. Furthermore, the large F1.4 aperture allows for large, beautiful bokeh effects. The compact, palm-size body allows you to enjoy the rich descriptive power of mirrorless cameras. Careful countermeasures against flare and ghosting enable clear shooting even in backlit environments.

To take advantage of the mobility of APS-C mirrorless cameras, the lens body is compact and lightweight. At the same time, the quality of the lens body itself has not been compromised. The high-precision machining technology of SIGMA's sole production facility in Aizu, Japan, has enabled the lens body to achieve the ideal balance between excellent optical performance based on the latest optical and mechanical design, and compactness. The AF drive system uses a quiet, high-speed stepping motor. The latest algorithm enables quick focusing for easy shooting.

The SIGMA Contemporary line offers a wide variety of APS-C format F1.4 prime lenses. All of them share the concept of combining superior resolution with compactness and light weight. By combining them according to your needs, you can build a compact photographic system without compromising image quality.
