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1 aperture
For measurement of general-size areas such
as medium and large displays
LCD, PDP, or EL display panels
LCD panels of mobile phones or digital cameras
Light sources such as lamps or fluorescent-
tube backlights
Radar or other instrument panels in aircraft cockpits
Large outdoor display screens
0.2 aperture
For measurement of small areas such as
product LEDs
Sub-display of mobile phones
Car audio equipment
Automobile instrument panels
0.1 aperture
For measurement of very small areas or of a
distant light source
Pixels of a PDP or LCD
Cold cathode tube
Automobile lamps
Signal lights
Applications
Measuring distance and measuring area
Minimum measuring area Maximum measuring area Minimum
measuring distance
Maximum
measuring distance
(Measuring )
1
0.2 0.1 1 10.2 0.20.1 0.1 1 0.2 0.1
Close-up lens No. 107
0.8 0.2 0.1 1.1 0.3 0.2 43 52
Close-up lens No. 122
2.2 0.5 0.3 4.6 1.0 0.5 128 240
Without a Close-Up Lens
4.7 1.00.5 296
1 0.2 0.1
8.5 1.7 0.9
Measuring area at 1000 mm
1 0.2 0.1
17.7 3.6 1.8
Measuring area at 500 mm
(Unit: mm)
Evaluation applications
Evaluation of the luminance and chromaticity of light sources
Evaluation of luminance and chromaticity uniformity
Contrast evaluation
a-characteristic evaluation
Simple measurement of object colors
(The optional white calibration plate is required.)
Measuring distance is the distance from the front edge of the metal lens barrel or close-up lens ring.