Sekonic L-758D User Manual download pdf (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

)(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 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

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Sekonic L-758D User Manual Page 60

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