The Polaris Karat Flash Meter from Shepherd is a is a full-featured meter that reads ambient light in reflected or incident mode thanks to its slide away dome as well as reflected or incident flash in cord or cordless mode. No mean feat, it's also the first handheld light meter to measure flash duration. The meter features a backlit LCD digital display, Wide ISO range and multi-flash capability. The Karat is powered by an easily-sourced AA battery.
Flash duration measurement mode is ideal for stop action shooting
On-demand backlight LCD display shows all data and functions clearly, even
at arm's length
Multi-flash feature makes it simple to calculate how many times the flash must be fired to achieve a desired f/stop in a single exposure