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

AP’s Deputy Editor finds his perfect lens for birding, enjoys a quirky compact camera, and sings the praises of a bargain 35mm film SLR

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

Three Nikon D850 users give their verdict

£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