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

Here are the top ten images uploaded to Photocrowd from Round Seven, Animal Kingdom, with comments by the AP team and our guest judge

Turn everyday encounters with birds, bees & bugs into INSTA-WORTHY IMAGES you’ll want to show off

Jonathon Isola, Chandler, Arizona, USA

Our comprehensive listing of key specifications for DSLR lenses