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Sigma 45mm f/2.8 DG DN Contemporary L-Mount Lens

Product Code: G242342L
Compact size is realized while maintaining high image quality and is compatible with full-frame mirrorless cameras. This prime lens refines the concept of the Contemporary line.


Sigma 45mm f/2.8 DG DN L-Mount Lens Summary

  • 45mm focal length - suitable for everyday shooting
  • Aperture range from f/2.8 to f/22
  • Full-time manual mode
  • 7-blade rounded diaphragm for smooth bokeh
  • 8 elements in 7 groups
  • Dust- and splash-proof
  • Designed to minimize flare and ghosting
  • High-precision, rugged brass bayonet mount
  • Maximum magnification 1:4
  • Minimum focusing distance of 24cm
  • Filter diameter of 55mm
  • Measures 64mm x 46.2mm
  • Weighs only 215g

Designed for combination with relatively small full-frame mirrorless cameras, this standard lens pursues easy operability as a regular prime lens by balancing its easy-to-carry size and high optical performance, thereby embodying the Contemporary line’s development concept of “pursuing optimum balance," and becoming the perfect first lens in the lineup dedicated for full-frame mirrorless cameras.

Product features in detail

Beautiful bokeh and rendering that can be enjoyed in every scene

With the Sigma 45mm f/2.8 DG DN, bokeh expressions are especially featured. Spherical aberration has been controlled to ensure not only the large bokeh in the front and rear of the subject but also the rear bokeh near the area in focus create a gradient to a soft blur. This lens softens the periphery of blurred images suppressing the double-line bokeh and enhances the three-dimensional impression of the subject with the smooth expressions in the foreground and the background.

In addition, its minimum focusing distance of 24cm makes it possible to enjoy shooting snapshots and tabletop photos taking advantage of the angle of view. The design gives consideration to vignetting to achieve beautiful round bokeh and subdue swirly bokeh in the whole bokeh effects.

While this lens produces smooth bokeh effects of which one could say as “classical expression” when the aperture is wide open, it also realizes modern sharp rendering when it is stopped down. It is reassuring to hold this lens as the regular lens for everyday use.

High-speed and highly accurate autofocus

The lens is capable of smooth, quiet and high-speed AF made possible by a stepping motor. It also supports Face/Eye Detection AF and video AF. The design gives consideration to MF operations, and a ring of appropriate torque provides good operability.

High build quality and outstanding operability

Because this lens is intended for everyday use, particular attention has been given to build quality and operability. The bayonet hood feels comfortable when removing and attaching, and the lens barrel incorporating metal material as the main part achieves improved durability. Furthermore, thanks to the aperture ring with the right click feeling, comfortable operability during various shooting styles is ensured.

Full Details


Sigma 45mm f/2.8 DG DN Contemporary L-Mount Lens Specifications


Sigma 45mm f/2.8 DG DN Contemporary L-Mount Lens Reviews


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