Sekonic L-758DR manual Technical Data

9. Technical Data

· 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/m2)(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/m2 (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
-54-