Spectra® Professional® IV-A model # 18002-A(Ships free)
Product Description
SPECIFICATIONS:
MEASURING RANGE: One million to one (20 f/stop) direct reading Multiple Range Linear Circuit. Digital f/stop: f/0.35 to f/128 in 1/10-stop increments. Analog f/stop: f/0.7 to f/45 in 1/3-stop increments.
PHOTOGRAPHIC ILLUMINANCE: Footcandles 0.1 to 70,000 and lux 1 to 100,000.
CONTRAST RATIOS: Calculates ratio of key plus fill to fill light alone from 1:1 to 999:1.
F-STOP DIFFERENCE: Displayed in precise 1/10-stop increments up to Plus or Minus 12 f/stop.
AVERAGE: Average of two readings and or continuous averaging in f/stop and footcandle mode.
DISPLAY RANGE: ISO 3 to ISO 8,000 in 1/3-stop increments.
FRAMES PER SECOND: 2 to 360 (for motion picture cameras).
EXPOSURE TIME: 1/8000 sec to 30 minutes.
ADDITIONAL FUNCTIONS: Memory Recall switch is to recall stored reading in memory (M1), current reading in memory 2(M2) and/or the Ratio, Average and f/stop difference of the two readings.
LAMP: Electroluminescent lamp for backlit liquid crystal display.
POWER SOURCE: One 6 volt battery.
ESTIMATED BATTERY LIFE: Approximately one year with normal use.
WARRANTY: Two year limited warranty. Calibration is Traceable to National Institute of Standard Technology(NIST), Washington, DC.
All Spectra professional vi-a meters are supplied with : Photoshere (for ambient light) • Photodisc (for key or directional light) • Leather carrying case • Neck-strap • 6-volt battery • Instructional manual and Warranty card
MEASURING RANGE: One million to one (20 f/stop) direct reading Multiple Range Linear Circuit. Digital f/stop: f/0.35 to f/128 in 1/10-stop increments. Analog f/stop: f/0.7 to f/45 in 1/3-stop increments.
PHOTOGRAPHIC ILLUMINANCE: Footcandles 0.1 to 70,000 and lux 1 to 100,000.
CONTRAST RATIOS: Calculates ratio of key plus fill to fill light alone from 1:1 to 999:1.
F-STOP DIFFERENCE: Displayed in precise 1/10-stop increments up to Plus or Minus 12 f/stop.
AVERAGE: Average of two readings and or continuous averaging in f/stop and footcandle mode.
DISPLAY RANGE: ISO 3 to ISO 8,000 in 1/3-stop increments.
FRAMES PER SECOND: 2 to 360 (for motion picture cameras).
EXPOSURE TIME: 1/8000 sec to 30 minutes.
ADDITIONAL FUNCTIONS: Memory Recall switch is to recall stored reading in memory (M1), current reading in memory 2(M2) and/or the Ratio, Average and f/stop difference of the two readings.
LAMP: Electroluminescent lamp for backlit liquid crystal display.
POWER SOURCE: One 6 volt battery.
ESTIMATED BATTERY LIFE: Approximately one year with normal use.
WARRANTY: Two year limited warranty. Calibration is Traceable to National Institute of Standard Technology(NIST), Washington, DC.
All Spectra professional vi-a meters are supplied with : Photoshere (for ambient light) • Photodisc (for key or directional light) • Leather carrying case • Neck-strap • 6-volt battery • Instructional manual and Warranty card
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