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Vignetting factor Measurement System KK-2T
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Measures by "Relative focal plane illuminance" measuring method of JIS standard No.JIS B7096-4-2. |
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Measures quantity of light omissions of lens focal plane automatically and handles data by PC. |
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| Specifications |
| Light source |
[1] Luminance surface 150x150[mm](Diffused flat light)
[2] Luminance value about 5000[cd/m2]
[3] Color temperature 2850K±100
[4] Uneven luminance value MAX 5%
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| Photo detector unit |
[1]Detector Photo diode
(With luminous efficiency correction)
[2]Pinhole diameter 0.2[mm],0.3[mm]
t = 0.013[mm]
[3]Range of right and left movement of Photo Detector Amplitude from the center ±15[mm] Max ±25[mm]
(Automatic movement by pulse motor)
[4]Right and left movement resolution 0.002[mm]
[5]Top and bottom movement ±5[mm] (Adjusts by micrometer)
[6]Photo Detector base movement Min 200[mm]
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| Main window |
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| Dimensions&Weight |
1000 mm (W)x385 mm (H)x300 (D),30 kg
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