Feature(may vary by option.)

●Flash Duration Measurements - Understanding flash duration is the first step in freezing fast-moving subjects.
●Radio Control Modules for Wireless Triggering - The L-858 Speedmaster Pro expands upon ground-breaking innovation by adding functionality for Elinchrom Skyport and Phottix Strato II/ Ares II users
●Increased Light Sensitivity - An additional 3-stops of light sensitivity for incident light, 2-stops, for reflected light (spot), and an ability to capture a reading down 0.1 lx of Illuminance
●HSS Flash Measurements - Finally, photographers now have an accurate way of measuring their lights when they want to overpower the sun or achieve a very shallow depth of field through using HSS
●Flash Analyzing Function - Measures ambient and flash simultaneously and automatically indicates the percentage of flash in the total exposure

[L-858D-U]

Description

Sonic Speed master L-858D-U is the worlds first multi-function, multi-brand wireless triggering light meter. It is the first of its kind capable of measuring flash duration and brief flash bursts like you find from HSS (High Speed Sync) for precision flash control.