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Sigma 23mm f/1.4 DC DN Contemporary Lens (Leica L Mount)

MFR# 348969
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The wide-angle lens ideal for APS-C mirrorless cameras joins the Contemporary line

High optical performance, F1.4 brightness, and compact enough to carry around every day

With an easy-to-use angle of view of 35mm*, high optical performance, the brightness of a large F1.4 aperture, and a compact and lightweight lens body, SIGMA's experience accumulated in the Contemporary line has culminated in a lens that is ideal for use with APS-C mirrorless cameras. The lens offers excellent resolution from maximum aperture and the rich bokeh effects thanks to its F1.4 brightness. The lens demonstrates its descriptive power in a wide range of applications,
including landscapes, portraits, and tabletop photography. In order to take advantage of the high mobility of mirrorless cameras, compactness of the lens body was also pursued. The SIGMA's Contemporary lineup includes several compact and lightweight F1.4 prime lenses in the APS-C format, which are surprisingly compact to carry around. If you want to keep your equipment light and small, but not compromise on image rendering performance, this lens is sure to meet your needs, and will be a lens you will never want to let go.

* 35mm equivalent

Large aperture F1.4 brightness and excellent resolution from maximum aperture

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 SLDglass 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.

Compact body optimized for APS-C mirrorless cameras

To take advantage of the mobility of APS-C mirrorless cameras, the lens body is compact and lightweight, with a weight of 340g*, length of 76.9mm*, and filter diameter of 52mm. 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.

Support for switching between linear and non-linear focus ring settings (for L-Mount only)

For L-Mount cameras, it is possible to switch to "linear focus," in which the focus shifts by a fixed amount according to the rotation angle of the focus ring.
*Only for compatible L-Mount camera bodies.

Expands the variety of APS-Cformat F1.4 prime lenses

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 toyour needs, you can build a compact photographic system without compromising on image quality.

Additional Features:

  • Lens construction:13 elements in 10 groups with 3 SLDand 2 aspherical lens

  • Inner focus system
  • Compatible with high-speed autofocus
  • Stepping Motor
  • Compatible with Lens Aberration Correction
    *Function available on supported cameras only. Available corrections may vary depending on the camera model.

  • Support DMF and AF+MF
  • Compatible with AF assist (Sony E-mount only)
  • Super Multi-Layer Coating
  • Petal Type Hood LH554-01
  • Mount with dust and splash resistant structure
  • Support for switching between linear and non-linear focus ring settings (for L-Mount

  • Compatible with SIGMA USB DOCK UD-11 (sold separately / for L-Mount only)
  • Designed to minimize flare and ghosting
  • Every single lens undergoes SIGMA's proprietary MTFmeasuring system
  • 9-blade rounded diaphragm
  • High-precision, durable brass bayonet mount
  • “Made in Japan” craftsmanship

  • Lens construction: 13 elements in 10 groups (3 SLD and 2aspherical elements
  • Angle of view:63.4°
  • Number of diaphragm blades: 9 (rounded diaphragm)
  • Minimum aperture:F16
  • Minimum focusing distance:25cm / 9.9in.
  • Maximum magnification ratio:1:7.3
  • Filter size: φ52mm
  • Dimensions (Maximum Diameter x Length): φ65.8mm × 76.9mm / φ2.6in. ×3.0in.
  • Weight: 340g / 12.0oz
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