This chunky lens is a terrific telephoto prime with an exhilarating turn of speed www.sigmauk.com

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Our comprehensive listing of key specifications for DSLR lenses

A not-so-standard, standard prime for full-frame Nikon and Sony mirrorless cameras www.viltrox.co.uk

Sony’s enthusiast-focused all-rounder brings major updates and performance boosts, but is that enough to bring it back to the top of its highly competitive class? Andy Westlake finds out

Tim Irwin’s 3D printed 90mm lens is a whole lot better than it looks, says Damien Demolder , and it produces some useful, and fun, results