Operation Manual

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· Type : Digital exposure meter for ambient and flash light
· Light receiving method : Incident light and reflected light
· Light Receptors
Incident light : Convertible to flat diffuser (Lumisphere in down position)
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)(558 Cine only)
Simple brightness measurement (foot-lambert, cd/m
2
)(558 Cine only)
Flash : With synchro cord (cumulative, non-cumulative)
Without synchro cord (cumulative, non-cumulative)
Measurement using the optional wireless flash radio triggering sysytem
(cumulative, non-cumulative)
· 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 (558 Cine only): 0.63 - 190,000 lux (2 significant digits)
0.12 - 180,000 foot-candle (2 significant digits)
Brightness (558 Cine only) : 0.25 - 190,000 cd/m
2
(2 significant digits)
0.07 - 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 stop)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)
(558 Cine addition)
1, 75, 90, 100, 125, 250, 375, 500, 625, 750, 1000
Flash : 30 minutes to 1/1000 second (in 1, 1/2 or 1/3 stop),also 1/75, 1/80, 1/
90, 1/100, 1/200, 1/400
Aperture : f/0.5 to f/161.2 (in 1, 1/2 or 1/3 stop)
8. Technical Data