Sekonic L-758D - Manual (Page 60)

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· Type : Digital exposure meter equipped with 1
°
spot viewfinder for ambient
and flash light
· Light receiving method : Incident light and reflected light
· Light Receptors
Incident light : Convertible to flat diffuser (with retracted Lumisphere)
Reflected light : 1
°
spot with display in finder
Metering distance 1m ~
∞
· Light receptor element : 2-Silicon photo diodes (incident and reflected)
· Metering modes
Ambient light : Aperture priority metering
Shutter priority metering
EV metering
Simple illumination measurement (lux, foot-candle)(758CINE only)
Simple brightness measurement (foot-lambert, cd/m
2 )(758CINE only)
Flash : With synchro cord (cumulative, non-cumulative)
Without synchro cord (cumulative, non-cumulative)
Measurement using the wireless flash radio triggering sysytem (cu-
mulative, non-cumulative) (optional for L-758D/758CINE)
· Measuring Range (ISO 100)
Ambient light
Incident light
: EV-2 to EV 22.9
Reflected light : EV 1 to EV 24.4 (with 1
°
spot viewfinder)
Flash
Incident light
: f0.5 to f161.2 (approx. f175)
Reflected light : f2.0 to f161.2 (approx. f175) (with 1
°
spot viewfinder)
Illumination (direct measurement is possible only in 758CINE)
: 0.63 - 190,000 lux (2 significant digits)
0.10 - 180,000 foot-candle (2 significant digits)
Brightness (direct measurement is possible only in 758CINE)
: 0.25 - 190,000 cd/m 2 (2 significant digits)
0.10 - 190,000 foot-lambert (2 significant digits)
· Repeat Accuracy : +/- 0.1 EV or less
· Calibration Constant
Incident light metering : Lumisphere C = 340 Flat diffuser C = 250
Reflected light metering : K = 12.5
· Display Range
Film speed : ISO 3 to 8000 (in 1/3 steps)
Shutter Speeds
Ambient light
: 30 minutes to 1/8000 seconds(in 1, 1/2 or 1/3 steps)also 1/200, 1/400
Cine speeds- 2, 3, 4, 6, 8, 12, 16, 18, 24, 25, 30, 32, 36, 40, 48, 50,
60, 64, 72, 96, 120, 128, 150, 200, 240, 256, 300, 360 frames per
second (at a 180 degree shutter angle)
Additional Cine speeds to 758CINE
1, 10, 14, 20, 75, 90, 100, 125, 180, 250, 375, 500, 625, 750, 1000 (at
a 180 degree shutter angle)
Flash : 30 minutes to 1/1000 second (in 1, 1/2 or 1/3 steps),also 1/75, 1/80,
1/90, 1/100, 1/200, 1/400
9. Technical Data