Nikon 50mm f/1.8D £109, $130

Launched 2002

Update of the lens that came as standard with every Nikon SLR back in the days before zooms ruled the world.

Seven-blade iris

The straight blades cause geometric heptagons in out-offocus highlights.

Weighs 155g

Made in China with a plastic exterior and a metal mount. Optical construction consists of six elements in five groups.

Depth of field scale

Clear distance scale with depth of field markings for f/11 and f/22. Lacks full-time manual focus override.