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Comparison Chart:
Exposure Meters

International Catalog Number
JR11 (CE - European Manual)
JR12 (FCC & IC - English Manual)
JR1G (Chinese - Chinese Manual)
US Catalog Number
401-478 (FCC & IC - English Manual)

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Sekonic L-478D LiteMaster Pro - Technical Specifications

Type: Digital exposure meter for ambient and flash light
Receptor Head: Rotating Domed Head 90° to the right, 180° to the left, Retractable for Contrast Reading
Light Receiving Method: Incident light and reflected light
Receptor Incident Light: Dome retracts for contrast readings
Receptor Reflected Light: 5° Viewfinder (Separate Accessory)
Light Receptor Element: 2-Silicon photo diodes (incident and reflected)

Measuring Range and Modes
Measuring Modes Ambient Light: - TF Priority
- HD Cine - Shutter priority metering, FPS (Frame Rate Priority) metering, Lux/FC
- Cine - FPS (Frame Rate Priority) metering, Shutter Angle setting, Lux/FC
- Simple brightness measurement (foot-lambert, cd/m2
- Simple illumination measurement (lux, foot-candle)
- Aperture priority metering
- EV metering
- Shutter priority metering
Measuring Modes Flash: - Without synchro cord (cumulative and non-cumulative)
- With synchro cord (cumulative and non-cumulative)
Measuring Range (ISO 100) Ambient Light: - Incident light EV-2 to EV 22.9
- Reflected light EV3 to EV 19.9 (requires accessory sold separately)
Measuring Range (ISO 100) Flash: - Incident Light f/1.0 to f/128.9
- Reflected Light f/2.8 to f/128.9 (requires accessory sold separately)
Measuring Range Illuminance: 0.63 to 2000000lux - 0.10 to 180000FC
Measuring Range Brightness: 1 to 980000 cd/m2 - 0.29 to 290000 foot lamberts

Display Range and Modes
Display Range Film Speed: ISO 3 to 409600 (in 1/3 steps)
Display Range Shutter Speeds Ambient: 30 min to 1/64,000 sec. (in 1, 1/2, 1/3 steps) plus 1/200, 1/400
Display Range Shutter Speeds Flash: 30 min to 1/1000 sec. (in 1, 1/2, 1/3 steps) plus 1/75, 1/80, 1/90, 1/100, 1/200, 1/400
Display Range Aperture: f/0.5 to f/161.2 (in 1, 1/2, 1/3 steps)

Battery(Power): (2) Type AAA 1.5V Battery Alkaline, Manganese, Lithium, NiCad, NiMH, nickel types

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