Sekonic Speedmaster L-858D-U Light Meter - Manual (Page 215)

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10. Specifications
● Luminance
(in two significant digits)
Reflected light 0.10 cd/m 2 to 980,000 cd/m 2
0.03 to 290,000 fl
Calibration Constant
● Incident light Lumisphere C = 340 Flat diffuser (retracted lumisphere)
C = 250
● Reflected light K = 12.5
Display Range
● ISO ISO 3 to ISO 13,107,200 (in 1/3 steps), ISO 850
● Shutter speed Ambient light 30 min to 1/64,000 sec, 1/200, 1/400
(in 1, 1/2, and 1/3 steps)
Flash light 30 min to 1/16,000 sec, 1/75, 1/80,
1/90, 1/100, 1/200, 1/400
(in 1, 1/2, and 1/3 steps)
● Flash duration time 1/40s to 1/55,500 sec (25 ms to 18 us)
t0.1 to t0.9 (in 0.1 steps)
● Aperture F0.5 to F128.9 (in 1 steps)
F0.5 to F152.4 (in 1/2 steps)
F0.5 to F161.2 (in 1/3 steps)
● EV Incident light
Reflected light
EV-73.9 to EV+103.8
EV-69.9 to EV+105.3
● Frame rate (f/s) 1f/s to 1,000f/s
Plus 20 other user settings from 0.001f/s to 99,999.999f/s
● Shutter angle 1° to 358°
Plus 20 other user settings from 0.001° to 360°
● Analog display T scale 4s to 1/2000s (in 1/3 steps)
F scale F1.0 to F90 (in 1/3 steps)
EV scale
-3EV to +3EV (incident light, in 1/3 steps)
-7EV to +7EV (reflected light, in 1/3 steps)
Illuminance lux
0 to 50,000 lx
Luminance cd/m 2 0 to 2,500 cd/m 2
(candela per square meter)
● Contrast Function -9.9EV to +9.9EV (in 0.1 steps)
● Cumulative count 0 to 99 times (Maximum of 99 times for display, the
number of measurement is infinite)
● Filter compensation value -12.0EV to +12.0EV (in 0.1 steps)
● Filter name compensation
selection
Up to four types can be used simultaneously.
Plus 30 user settings
● Exposure compensation -9.9EV to +9.9EV (in 0.1 steps)
● User calibration -1.0EV to +1.0EV (in 0.1 steps)