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

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

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

All your questions answered. Send your questions to digitalcamera@futurenet.com

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

Short, fast, apochromatic refractors with a flat image field that don’t cost a king’s ransom are perhaps the Holy Grail of telescope design. Altair Astro’s 60EDQ f/5 quad astrograph with dual-ED optic