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Comparison Chart:
Exposure Meters

International Catalog Number
JR51 (CE and Canada, designated L-478DR-U-EL, English language display)
US Catalog Number
401-475 (JR5L FCC, designated L-478DR-U-EL, English language display)


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LiteMaster Pro L-478DR-U-EL - Technical Specifications

Packaging Weight 0.77 lb. (0,35 kg)
Packaging Dimensions 8.26" L x 5.82" W x 1.96" H (21cm x 14.8cm x 5cm)
Receptor Head Incident light and reflected light
Light Receiving Method Incident light and reflected light
Receptor Incident Light Convertible to flat diffuser (Lumisphere in retracted position)
Receptor Reflected Light 5° spot with optional viewfinder
Flash Analyzing Function 0 to 100% in 10% increments
Multiple Flash Function Infinite number of flash readings (Only one digit is displayed when the cumulated number is ten or more)
Calibration Compensation (+/-) 1.0 EV (in 1/10 stops)
Exposure Compensation (+/-) 9.9 EV (in 1/10 stops)
Custom Functions 14 custom functions
Auto Power Off Selectable in Custom Functions

Measuring Range and Modes
Measuring Modes Ambient Light Aperture priority, Shutter speed priority, TF priority, CINE, HD Cine, Illuminance (lx/fc), Luminance (cdm2/fl)
Measuring Modes Flash Cord (PC), Cordless, Radio Triggering (with/without mulitple cumulative)
Measuring Range (ISO 100) Flash 0.63 to 2,000,000 lux - 0.10 to 180,000 fc
Measuring Range Brightness 0.25 to 190,000 cd/m2 - 0.10 to 190,000 foot lamberts

Display Range and Modes
Display Range Film Speed ISO 3 to 409,600 (in 1/3 stops)
Display Range Shutter Speeds Ambient 31 min. to 1/64,000 sec. plus 1/200, 1/400 sec (in 1, 1/2 and 1/3 stops)
Display Range Shutter Speeds Flash 31 min. to 1/1000 sec 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 and 1/3 stops)
Display Range EV EV-27.9 to EV55.8 (with Incident light reading of ambient light)
Display Range Cine Speeds fps 2 to 1000 f/s, plus user created settings: 20 entries
Display Range Shutter Angle 1°to 358°, plus user created settings: 20 entries

Battery(Power): 3 Type AA 1.5V Batteries Alkaline, Manganese, Lithium, Nickel Hydride, Nickel Based
Battery Power Indicator Display: Icon with 3 status

Radio Triggering
Radio Triggering System: Elinchrom Skyport
Frequency: 2.4GHz
Triggering Range: Up to 100 feet, Transmitter-Receiver
Frequencies/Groups: Normal: 20 Frequencies / 4 Groups
Speed: 20 Frequencies / 4 Groups

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