Portable Fill Flash
- on camera flash units (e.g. Speedlites)
- lightens harsh shadows in daylight
- can be used to brighten an image or lessen the full extent of sunlight
Monoblock
- self-contained unit that is cheap, light and easy to move around which is ideal when on location
- uses a variety of flash accessories (e.g. soft box, snoot, spot, barn doors)
Infared Triggering Device
- when the shutter release is triggered an infared signal is sent to the recievers on the flashes, causing them to go off
