Feeling frustrated by flashguns? Misfiring autofocus making you anxious? Send your technique and camera questions to digitalcamera@futurenet.com

£799/$999

Sigma calls its latest superzoom ‘the ultimate all-in-one zoom lens’, but can a 10x zoom be an ultimate anything, asks Damien Demolder

£1,400/$1,498

Our comprehensive listing of key specifications for DSLR lenses

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