Agonising over astrophotography shots? Traumatised by your next tripod choice? Send your technique and camera questions to digitalcamera@futurenet.com

Andy Westlake assesses a unique telephoto lens for extreme close-up photography

This hybrid prime rounds out a series that includes 20mm, 24mm, 35mm and 50mm optics. Angela Nicholson investigates if it’s the perfect portrait lens

Smaller, cheaper, lighter – Sigma’s updated 35mm f/1.2 lens brings better quality and usability to this moderately wide offering, says Damien Demolder

If you’re planning to enter our Urban Life round, which launches next week, take these tips from four of last year’s top ten photographers

Our comprehensive listing of key specifications for DSLR lenses