If you’ve got any recent flagship smartphone, you’ve got a great camera – both for still photos and for video. So good, in fact, that many independent filmmakers use the iPhone in particular to shoot both shorts and full-length movies.

But such reports can give a somewhat misleading impression. Very often, the smartphone is the capture device, but it’s coupled to far more expensive supplementary kit like professional lenses, and gimbals to smooth footage.

What DJI has done with its latest gimbal, the Osmo Mobile 2, is to bring smooth mobile shooting – and more – down to a price level that makes it extremely affordable. So much so that, when you consider all the things it can do, I’d say it qualifies as the best-value iPhone accessory on the market at the moment …