The L-398A Studio Deluxe III is the classic ambient continuous light selenium cell powered (battery free) studio light meter for incident or reflected readings. Its The robust construction and battery-free operation make it a favourite of colleges and studios. It is supplied with flat or concave diffuser discs to give accurate incident readings for point or wider light sources, with a swivelling head to enable convenient viewing of the reading. As well as shutter speed and apertures, cine speeds, EV and Foot Candle values are also displayed. Includes case and strap.