Help me buy… a flash trigger

Many Nikon cameras come with a built-in pop-up flash, but while this is a convenient way to add a blip of light, they’re not very powerful. A Speedlight gives much greater range, but being anchored to your camera limits your creative options. Taking your Speedlight off-camera enables you to light subjects from any angle – this once meant tethering the flash to the camera with a cord, but in this wireless age, such restrictions are no longer necessary.

Radio transmission

Being able to liberate the light from the hotshoe for off-camera effects is great, and being able to control multiple lights from one unit for complex flash setups is even better. There are generally two flavours of wireless trigger – optical and radio-frequency. The former is built into many Nikon and third-party Speedlights but requires a direct line of sight from the camera,