Sigma 50-120mm F2.8 DC OS Contemporary, official: $799, 390g, October 22

Official product photo of the Sigma 50-120mm F2.8 DC OS Contemporary
Official product photo of the Sigma 50-120mm F2.8 DC OS | Contemporary. Sony E-mount version shown. $799, ships October 22, 2026. Image: Sigma

Sigma has made the 50-120mm F2.8 DC OS | Contemporary official. Sigma America will sell it from Thursday, October 22, 2026, for $799, in Sony E, Fujifilm X, and Canon RF. There is no L-Mount and no Nikon Z version in this release. Now available for pre-order at B&H Photo Video.

It is the telephoto piece of Sigma’s constant-F2.8 APS-C Contemporary set, next to the 10-18mm F2.8 DC DN and the 18-50mm F2.8 DC DN. Sigma says the three together weigh about 935 g. On an APS-C body the new zoom covers about 75-180mm equivalent, which is the job a 70-200mm F2.8 does on full frame, in a much smaller barrel.

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Sigma 50-120mm F2.8 DC OS Contemporary Leak: 390g on Sony E, 18/13, HLA

Leaked photo of a Sigma 50-120mm F2.8 DC OS lens beside two smaller Sigma zooms
Photo posted by how2fly (@camerainsider). The right-hand barrel reads 50-120mm 1:2.8 DC OS. Sigma has not announced this lens. Via X.

how2fly (@camerainsider) posted a spec list and three photos for a Sigma 50-120mm F2.8 DC OS | Contemporary. Sigma has not announced the lens. DC is Sigma’s APS-C line, and the lineup shot puts the new barrel next to the existing 10-18mm F2.8 DC DN and 18-50mm F2.8 DC DN.

The only weight in the post is 390 g for Sony E. No other mount, no price, and no ship date are in that post.

Continue reading “Sigma 50-120mm F2.8 DC OS Contemporary Leak: 390g on Sony E, 18/13, HLA”