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9
Specifications
Type
• Digital light meter for flash and ambient light
Light Receiving Method • Incident light and reflected light
Light Receptor
• Incident light
Lumisphere convertible to flat diffuser (with retracted
lumisphere)
• Reflected light
5-degree spot metering with optional viewfinder
Light Receptor Element • Silicon photo diodes
Measuring Mode
• Ambient Light
Aperture priority measuring
Shutter speed priority measuring
TF priority measuring
Cine measuring
HD Cine camera measuring
Illuminance measuring (lux, foot-candle)
Luminance measuring (foot-lambert, cd/m
2
)
• Flash
Cord Mode (with/without multiple cumulative)
Cordless Mode (with/without multiple cumulative)
Radio Flash Mode (with/without multiple cumulative)
(for L-478DR Series only)
Measuring Range (ISO100)
• Ambient Light
Incident light EV-2 (F2.0, 15 sec) to EV22.9 (Approx
F22.9, 1/8000 sec)
Reflected light EV3.0 to EV19.9
• Flash light
Incident light F1.0 to F128.9
Reflected light F2.8 to F128.9
• Illuminance
0.63(EV-2.0) to 2,000,000 (EV19.6) lux
0.10 (EV-2.0) to 180,000 (EV19.6) foot candle
• Luminance
(Reflected light)
1.0 (EV3) to 980,000 (EV22.9) cd/m
2
0.29 (EV1.5) to 290,000 (EV22.9) foot-lambert
Repeat accuracy
• ±0.1EV or less
Calibration Constant
• Incident light
Lumisphere C = 340, Flat C = 250
• Reflected light
K = 12.5
Display Range
• ISO
ISO 3 to 409600 (in 1/3 steps) including 850 as the
setting.
• Shutter speed
Ambient Light
30 min to 1/64000 sec (in 1, 1/2 and 1/3 steps)
Other possible settings: 1/200, 1/400 sec
Flash light
30 min to 1/1000 sec (in 1, 1/2 and 1/3 steps)
Other possible settings: 1/75, 1/80, 1/90, 1/100, 1/200,
1/400
• Aperture
F0.5 to F161.2(in 1/3steps)
• Frame rate (f/s)
1 to 1000, other possible settings: 20 types
• Shutter angle
1°to 358°other possible settings: 20 types
• EV value
EV-27.9 to EV55.8 (only effective with Ambient Light)
• Analog display
T scale 4s to 1/2000(in 1/3 steps)
F scale F1.0 to F90(in 1/3 steps)
EV scale
-3EV to +3EV (incident light, in 1/3 steps)
-7EV to +7EV (reflected light, in 1/3 steps)
Illuminance lux
0 to 50,000 lx
Illuminance fc (foot candle)
0~5,000 fc
Luminance cd/m
2
(candela per square meter)
0~2,500 cd/m
2
Luminance fl (foot-lambert)
0~1,000 fl
• Contrast display
-9.9EV to +9.9EV (in 1/10 steps)
• Filter compensation
-12EV to +12EV (in 1/10 steps)
• Filter compensation selection
Maximum of 4 types can be used
simultaneously
• Cumulative count
0 to 99 times (Maximum of 99 times is
displayed)
• Compensation display
-9.9EV to +9.9EV (in 1/10 steps)
Содержание LITEMASTER PRO L-478DR-A-PX
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