The best way to improve your lighting is to measure it and Sekonic L-308S-U Flashmate Light Meter is a great tool to do it. This compact tool meters both ambient and flash lighting. Equipped with a sliding lumisphere, as well as a lumidisc attachment for flat surfaces, the L-308S is able to measure ambient light as well as reflected light via a lens with a 40° reception angle. This meter also has a wide metering range, from 0 to 19.9 EV at ISO 100, and can work with flash light within a range of f/1.4 to f/90.9 at ISO 100. Video and film shooters can rejoice as well, with the inclusion of multiple frame rates from 8-128 fps and a 180° shutter angle.