Intended usage, Features of the l-858d – Sekonic Speedmaster L-858D-U Light Meter User Manual
Page 7

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Intended Usage
The meter is designed for:
●
Measurement of artificial light sources or natural light for photo, video, or movie
●
Display of latitude (dynamic range) from the shadow to the highlight of a digital
camera
●
Measurement of the flash high-speed synchro exposure or flash duration time for
diversifying flash shooting
●
Flash unit triggering and power control functions with the transmitter (sold
separately)
●
High-level measurement accuracy and a wide measurement range in all shooting
situations from outdoor to indoor with all weather design
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Features of the L-858D
[Basic functions and performance]
1
Model with incident light and reflected light (spot photometry 1 degree) systems
2
One-touch switching between extended lumisphere and retracted lumisphere (Light
receiving part up-down mechanism)
3
Flash Analyzing Function which provides the percentage of flash in total exposure as
well as ambient and flash components.
4
Exposure Profile Function (using the Data Transfer Software application software)
5
Simplified luminance measurement (cd/m
2
,
Foot-lambert) and simplified illuminance
measurement (Lux, Foot-candle)
[New functions and performance]
1
2.7-inch liquid-crystal color touch panel
The operability is enhanced by assigning frequently used functions to Function Buttons
at the bottom of the screen.
2
Flash duration analysis (1/40 to 1/55,500 sec., t0.1 to t0.9, which can be changed in
0.1 steps)
3
Exposure measurement in HSS (High Speed Synchro) Mode
4
Improvement of lower light measurement performance (from -5 EV in incident light
measuring, from -1 EV in reflected light measuring) (based on ISO100).
5
Flash units triggering and power control functions with multi-brands of the transmitter
(sold separately)
6
Enhancement of video/cine functions such as frame rate setting (1 to 1,000 f/s),
shutter
angle setting (1 to 358 degrees), and filter compensation is possible. (+/-12 EV value,
or select the desired option from the registered filter names.)