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

£1,799/$1,799

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

Our comprehensive listing of key specifications for DSLR lenses

These days, there’s more to buying binoculars than just grabbing a pair of 8x42s. Let us help…