RONKONKOMA, N.Y., June 18, 2020 (GLOBE NEWSWIRE) -- Sigma Corporation today made the following announcements: - TC-1411 magnifies lens focal length by 1.4x. - TC-2011 magnifies lens focal length by 2x ...

The Sigma 100-400mm F5-6.3 DG DN OS Contemporary ($949) is a built-for-mirrorless telezoom with full-frame coverage, available for E-mount and L-mount camera systems. It offers a bit more reach than ...

Massive zoom lenses aren’t the only thing Sigma has been working on for Photokina 2014. Today, they’re also announcing a line of teleconverters and a series of optical filters. The teleconverters come ...

For Nikon,<BR><BR>selling this as a set, includes lens, cirular polarizer for drop-in-filter holder, 1.4x and 2.0x sigma ex matched teleconverters all caps, soft padded cases and tripod ...

Sigma has been rather busy announcing new high-quality lenses this year, after the company decided to reclassify its optics portfolio into three categories: Art, Contemporary, and Sports. Recently, ...

Sigma Corporation of America, a leading still photo and cinema lens, camera, flash and accessory manufacturer, today announced that its 70mm F2.8 DG MACRO Art, the first prime macro lens to be adorned ...