DESCRIPTION
Sekonic Speedmaster L-858D-U is the world's 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.
SPECIFICATIONS
US Catalog Info
401-858 (US - Designated L-858D-U, English)
International Catalog
JY11 (CE and Canada - Designated L-858D, European) JY1G (China and Taiwan - Designated L-858D, Chinese)
Sensor
SPD
Measuring System
Exposure Meter Incident light: Swivel head, lumidisc retractable Reflected light: Switching, 1 deg. spot
Measuring Modes Ambient Light
T priority, F priority, TF priority, HD_CINE (T priority), CINE (f/s priority), Lux/FC, Cd/m2/FL
Measuring Modes Flash
Cordless, Cord-in (PC), Radio triggering (with optional transmitters), Multiple cumulative flash, HSS, Flash duration analysis.
Measuring Range (ISO 100) Ambient Incident Light
-5 to 22.9 EV 0.1 to 2,000,000 lx 0.01 to 180,000 fc
Measuring Range (ISO 100) Ambient Reflected Light
-1 to 24.4EV 0.1 to 980,000 cd/m2 0.03 to 290,000 fl
Measuring Range Flash Incident Light
F0.5 to F161.2(=128.9)
Measuring Range Flash Reflected Light
F1.0 to F161.2(=128.9),
ISO Range
ISO 3 to ISO 13,107,200 + ISO 850
Aperture Range (Ambient Light)
F0.5 to 161.2(=128.9) in 1, 1/2, 1/3 step (Analog Scale: F1.0 to F90 in 1/3 step)
Aperture Range (Flash Light)
F0.5 to 161.2(=128.9) in 1, 1/2, 1/3 step (Analog Scale: F1.0 to F90 in 1/3 step)
Shutter Speeds Range (Ambient Light)
30m to 1/64,000s in 1, 1/2, 1/3 step (Analog scale: 4s to 1/2,000s in 1/3 step)
Shutter Speeds Range (Flash Light)
30m to 1/16,000s in 1, 1/2, 1/3 step
Flash Duration Range (Flash Light)
1/40 to 1/55,500s（25ms to 18us) from 0.1. to 0.9 (in 0.1 steps)
Frame Rate Range (Ambient Light)
1 to 1,000 f/s plus other 20 settings (customized from 0.001 to 99,999.999)
Shutter Angles Range (Ambient Light)
1 to 358 deg. plus other 20 settings (customized from 0.001 to 360)
EV Range (Ambient Light)
Incident light: EV-73.9 to EV103.8 Reflected light: EV-69.9 to EV105.3
Exposure Profile
Yes
Memory
Yes (9 times) both incident and reflected light
Contrast/Comparison Function
Yes (+/-9.9EV in 1/10 step)
Radio System
Optional Transmitters with RT-3PW - PocketWizard (433MHz), RT-20PW - PocketWizard (344MHz), RT-EL/PX - Elinchrom EL-Skyport/Phottix (2.4GHz), RT-BR - broncolor RFS 2/2.1/2.2 and RT-GX - Godox/Flashpoint (2.4GHz)
Flash vs Ambient Analyzing
Yes (in 10% step)
Filter Compensation
Yes (--20 to +20EV, preset 30 type)
Exposure Compensation
Yes (-9.9 to +9.9 EV, in 0.1 step)
Calibration Compensation
Yes (-1.0 to +1.0 EV, in 0.1 step)
Custom Settings
Yes (17 custom settings 18 custom settings when transmitter sold separately is installed)