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It’s Official (now): The New Sigma 24-105mm f/4 DG OS HSM

Sigma 24-105mm f/4 DG OS HSM

After having silently posted all specs a few days ago, Sigma put the page offline, and now online again. So, it has officially landed: the new Sigma 24-105mm f/4 DG OS HSM lens for full-frame DSLRs, latest addition to the “Art” line-up. Although Sigma doesn’t specify neither the price nor the date of availability, we know that the latter is November 2013. After the break all the information about Sigma’s newest.

The lens is compatible with the USB dock and Sigma’s mount conversion service. The specs:

Lens Construction 19 elements in 14 groups
Minimum aperture F22
Filter size 82㎜
Angle of view (35mm equivalent) 84.1°-23.3°
Minimum focusing distance 45cm / 17.7in
Dimensions (Diameter x Length) φ88.6mm x 109.4mm / 3.5in x 4.3in
Number of diaphragm blades 9 (rounded diaphragm)
Maximum magnification ratio 1:4.6
Weight 885g / 31.2oz

Sigma touts:

A full-frame lens covering the most commonly used zoom range.

Offering F4 brightness throughout the zoom range,this lens covers a large variety of scenes, from wide-angle to medium telephoto.

When shooting of scenes in nature or travel destinations, photographers need a high zoom ratio combined with excellent handling to capture all the subjects they encounter. The SIGMA 24-105mm F4 DG OS HSM covers the most commonly used zoom range, from wide-angle to medium telephoto. It also takes usability to the next level, offering F4 brightness throughout the zoom range, OS (Optical Stabilizer) functionality, and HSM (hypersonic motor). Thanks to its convenient handling, the SIGMA 24-105mm F4 DG OS HSM is an ideal lens for many types of photography such as snapshots, portraits and landscapes.

Sigma 24-105mm f/4 DG OS HSM

Regarding the optical properties:

This high-performance lens joins Sigma’s Art lineup, fulfilling its stringent requirements. Zoom lenses with a high zoom ratio tend to suffer from astigmatism, field curvature, distortion, chromatic aberration, and other optical aberrations. To minimize these, Sigma’s zoom lens features optimally arranged high-performance single- and double-sided aspheric elements produced by precision glass molding and incorporating FLD (“F” Low Dispersion) glass and SLD (Special Low Dispersion) glass. Minimizing axial chromatic aberration at telephoto distances, this lens offers exceptional image quality throughout the zoom range. In addition, it avoids the reduced peripheral brightness that is common with lenses in the same class. Thanks to its large-aperture 82mm filter size, this lens offers truly outstanding optical performance.

Sigma 24-105mm f/4 DG OS HSM

About the used materials Sigma says:

All lenses in Sigma’s new Art line come with a hood with a high-quality rubberized connector and feature a newly designed lens cap and AF/MF switch, and are designed for intuitive use and superior functionality. Inside, HSM (hypersonic motor) delivers high AF speed and extremely quiet performance. An enhanced algorithm offers even smoother automatic focusing. Full-time manual focus override is another key feature that leaves the artistic touches in the photographer’s hands. The brass mount combines high precision with rugged construction. Its treated surfaces and enhanced strength contribute to the exceptional durability of the lens. In both the external and internal parts, the optimized use of TSC (Thermally Stable Composite), an excellent match for metal parts, further contributes to the high-precision construction of the lens.

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