Sekonic Speedmaster L-858D Light Meter

HSS Flash Measurements

Flash Duration Measurements
Optional Radio Transmitter Modules for Elinchrom, Phottix, & PocketWizard
2.7” Color Dot Matrix Touch Screen Interface
Exposure Profiling
Extended ISO Range ISO 3 to ISO 13,107,200 + ISO 850
Expanded Shutter Speed Range 30m – 1/16,000s for fFlash Light
Expanded Shutter Speed Range 30m – 1/64,000s for Ambient Light
Full HD Cine & CINE mode: 1 to 1000 f/s and 1 to 358° Shutter Angle

Sekonic Speedmaster L-858D Light Meter. Featuring a 2.7″ full color touch screen display, the L-858D also brings back exchangeable radio modules (currently available for Elinchrom, Phottix, and PocketWizard), so you won’t need a different light meter for each flash system (as the L-478D series requires).
With High Speed Sync (HSS) capability almost a must have feature now for light manufacturers in 2016, Sekonic have stepped up to produce a light meter capable of measuring flash duration data, and the brief flash bursts of HSS.