Members Martin Vronsky Posted April 4, 2023 Members Share Posted April 4, 2023 Press release: SIGMA Releases 23mm F1.4 DC DN | Contemporary Lens, an Essential Focal Length Prime for APS-C Format Cameras Ronkonkoma, NY – April 3, 2023 – SIGMA Corporation of America, the US subsidiary of SIGMA Corporation (CEO: Kazuto Yamaki. Headquarters: Asao-ku, Kawasaki-shi, Kanagawa, Japan) is pleased to announce the SIGMA 23mm F1.4 DC DN | Contemporary ($549 US MSRP through authorized retailers) lens, a wide-angle fast-aperture prime lens designed specifically for APS-C mirrorless systems. This lens offers a 35mm field of view equivalency with the 1.5X crop factor applied, and is the fourth fast-aperture F1.4 DC DN | Contemporary prime lens, joining the popular 16mm F1.4 DC DN | Contemporary, 30mm F1.4 DC DN | Contemporary, and 56mm F1.4 DC DN | Contemporary for crop-sensor mirrorless systems. The DC DN family also includes the 18-50mm F2.8 DC DN | Contemporary Zoom lens. The SIGMA 23mm F1.4 DC DN | Contemporary is offered in Sony E-mount, Leica L-Mount, and Fujifilm X Mount versions. The Sony E-mount and L-Mount versions will be available through authorized SIGMA retailers in late April 2023. The X mount version will be available in summer 2023. 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, offering exceptional imaging performance when paired with compact APS-C mirrorless camera along with high-megapixel, full-frame mirrorless cameras in APS-C crop mode such as the 61MP SIGMA fp L. AF is driven by a quiet, high-speed stepping motor for swift, silent operation for both still and video capture, and excellent flare/ghosting resistance makes it ideal for real-world conditions. The lens is ideal for landscapes, journalism, everyday photography, and so much more; with a maximum magnification ratio of 1:7.3 and a minimum focusing distance of just under 10 inches. . Exclusively designed for APS-C mirrorless cameras C | Contemporary SIGMA 23mm F1.4 DC DN A prime lens that is hard to let go. Large aperture F1.4 brightness and excellent resolution from maximum aperture Compact body optimized for APS-C mirrorless cameras A wide variety of APS-C format F1.4 prime lenses 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 equivalent to 35mm (on full frame), 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 table photography. In order to take advantage of the high mobility of mirrorless cameras, the compactness of the lens body was also pursued. The SIGMA Contemporary lineup includes several compact and lightweight F1.4 single focal length 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. [Key Features] 1. 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 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 ghosting and flare enable clear shooting even in backlit environments. 2. 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. *The figures are for L-Mount. Support for switching between linear and non-linear focus ring settings (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. 3. A wide variety of APS-C format 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 to your needs, you can build a compact photographic system without compromising on image quality. [Additional Features] Lens construction: 13 elements in 10 groups with 3 SLD and 2 aspherical lens elements 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 only) 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 MTF measuring system 9-blade rounded diaphragm High-precision, durable brass bayonet mount "Made in Japan" craftsmanship Quote Link to comment Share on other sites More sharing options...
Members Martin Vronsky Posted April 4, 2023 Author Members Share Posted April 4, 2023 Sigma 23mm F1.4 DC DN C Specs: Lens type - Prime lens Max Format size - APS-C / DX Focal length - 23 mm Image stabilization - No Lens mount - Fujifilm X, L-Mount, Sony E Aperture Maximum aperture - F1.4 Minimum aperture - F16 Aperture ring - No Number of diaphragm blades - 9 Aperture notes - Rounded blades Optics Elements - 13 Groups - 10 Special elements / coatings: 2 aspherical and 3 super low dispersion Focus Minimum focus - 0.25 m (9.84″) Maximum magnification - 0.13× Autofocus - Yes Motor type - Stepper motor Full time manual - No Focus method - Internal Distance scale - No DoF scale - No Physical Weight - 340 g (0.75 lb) Diameter - 66 mm (2.59″) Length - 77 mm (3.03″) Sealing - Yes Colour - Black Filter thread - 52 mm Hood supplied - Yes Hood product code - LH554-01 Tripod collar - No Quote Link to comment Share on other sites More sharing options...
Members Martin Vronsky Posted April 4, 2023 Author Members Share Posted April 4, 2023 Quote Neat, after a long break Sigma are bringing out a new DC DN 'C' lens, for APS-C mirrorless camera systems, and one with a potentially really useful focal length. Let's see what it can do! Quote Link to comment Share on other sites More sharing options...
Members Martin Vronsky Posted April 5, 2023 Author Members Share Posted April 5, 2023 Quote In this video I check out the all-new Sigma 23mm F1.4 DC DN, which is an equivalent of a 35mm field of view. This now makes it the 4th lens in the APSC prime F1.4 lineup. Quote Link to comment Share on other sites More sharing options...
Members Martin Vronsky Posted April 19, 2023 Author Members Share Posted April 19, 2023 Quote 00:00 - Introduction and alternatives 01:47 - Sigma 23mm f1.4 DC DN vs Sony 24mm f1.8 design and controls 02:40 - Sigma 23mm f1.4 DC DN vs Sony 24mm f1.8 focusing and face tracking 04:34 - Sigma 23mm f1.4 DC DN vs Sony 24mm f1.8 focus breathing 05:10 - Sigma 23mm f1.4 DC DN vs Sony 24mm f1.8 landscape quality 06:53 - Sigma 23mm f1.4 DC DN vs Sony 24mm f1.8 portrait quality 07:52 - Sigma 23mm f1.4 DC DN vs Sony 24mm f1.8 bokeh quality 08:59 - Sigma 23mm f1.4 DC DN vs Sony 24mm f1.8 close-up macro quality 09:45 - Sigma 23mm f1.4 DC DN vs Sony 24mm f1.8 full-frame quality 11:22 - Sigma 23mm f1.4 DC DN sample images and verdict Quote Link to comment Share on other sites More sharing options...
Members Martin Vronsky Posted May 9, 2023 Author Members Share Posted May 9, 2023 Quote 0:00 - Intro and Concept 2:45 - Build and Features 7:05 - Autofocus 09:30 - Image Quality 20:30 - Conclusion and Pricing Quote Link to comment Share on other sites More sharing options...
Members Martin Vronsky Posted September 14, 2023 Author Members Share Posted September 14, 2023 Quote The Sigma 23mm f/1.4 provides a great alternative to the Fujifilm 23mm f/1.4 for significantly less, BUT does it pull too many features to be worth it? Quote Link to comment Share on other sites More sharing options...
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