Viltrox af 20mm f/2.8 z

Foxed by which fast prime lens to buy? Worried about wonky panoramas? Send your technique and camera questions to digitalcamera@futurenet.com

The Sony FE 16mm F1.8 G is billed as a petite powerhouse ultra-wide lens that delivers sharp results. Angela Nicholson takes a close look

Wideangle, super-telephoto, close-ups… this lens can do it all. Andy Westlake puts it through its paces

£566/$699

One of Nikon’s last DSLRs, the pro-spec D850 still has a lot to offer, as John Gilbey discovers

Canon’s latest compact has a super-wideangle 16-50mm equivalent zoom lens that’s ideal for video, but also has some photography uses. Richard Sibley checks it out