Sigma is set to release the 50-120mm F2.8 DC OS Contemporary lens on October 8. The new optics will be available for Sony E, Fujifilm X, and Canon RF mounts, featuring a design optimized for video production with reduced focus breathing.
The lens incorporates an HLA high-speed linear motor and an optical stabilization system. Stabilization performance reaches 6.5 stops at the wide end and 4.5 stops at the telephoto end. The construction includes 18 elements in 13 groups, featuring 3 SLD, 1 FLD, and 4 aspherical elements.
The device features an 11-blade circular aperture and a 55mm filter diameter. The minimum focusing distance is 23 centimeters at 50mm and 55 centimeters at 120mm. The maximum magnification ratio is 1:3 at the wide end and 1:4.7 at the telephoto end.
The lens is designed with dust and splash resistance. The E and X mount versions weigh 390 grams, while the RF mount version weighs 410 grams. The dimensions for the Sony E mount variant are 66.8 millimeters in diameter and 99.0 millimeters in length.
