Sigma Unveils 24-105mm f/4 Lens

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Today Sigma unveiled its newest addition to the Art line of lenses for full-frame cameras, the 24-105mm F4 DG OS HSM.

This mid range zoom lens boasts a Hyper Sonic Motor (HSM) which allows for silent auto focus. It also has manual focusing capability. The lens is also on par with Sigma’s other recent lens announcements when it comes to build and design. The lens weighs a hefty 31.2 oz. for its 3.5″x 4.3″ body and has been designed to withstand the constant use of a professional or semi-professional photographer.  

The lens has a minimum focusing distance of 17.7 inches and a maximum magnification ratio of 1:4.6. The lens has 19 elements in 14 groups. It also has a 9 blade rounded diaphragm that should produce a smooth, defocused background as well as a pleasing bokeh affect. 

The lens has been designed for full frame cameras. However, it also works with APS-C sensor cameras. 

The 24-105mm is compatible with Sigma’s USB dock allowing photographers to update its firmware and change focus parameters using Sigma’s Optimization Pro software. It is also compatible with Sigma’s recently announced Mount Conversion Service. Plus, this lens is eligible for Sigma’s four year warranty.

Lens Construction: 19 elements in 14 groups
Minimum aperture: F22
Filter size: 82mm
Angle of view (35mm format): 84.1°-23.3°
Minimum focusing distance: 17.7in.
Dimensions (Diameter x Length): 3.5in. x 4.3in.
Number of diaphragm blades: 9 (Rounded diaphragm)
Maximum magnification ratio: 1:4.6
Weight: 31.2oz

The 24-105mm f/4 lens is expected to be released in November.

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