Top three runners-up

Sigma 10-20mm f/4-5.6 EX DC HSM

What’s good: Advanced features and impressive image quality at a rock-bottom price.

What’s bad: Not a constantaperture design like the newer Sigma.

Our verdict: Quality is excellent given it’s the cheapest DX ultra-wide lens around.

Sigma 8-16mm f/4.5-5.6 DC HSM

What’s good: Extraordinarily wide maximum angle of view for a rectilinear lens.

What’s bad: Filters can only be directly attached when shooting at the long end of the zoom range.

Our verdict: This lens is an obvious choice if you want to go as wide as possible.

Nikon AF-S DX 10-24mm f/3.5-4.5G

What’s good: Very good overall image quality and handling.

What’s bad: Considerably more expensive than many competing lenses.

Our verdict: It’s the top choice for a genuine Nikon DX ultra-wide lens.