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Type | Hemispherical projection perimeter |
Measuring range | 90 degrees (temporal) / 70 degrees (superior/inferior) |
Testing distance | 300 mm (spherical radius) |
Background luminance | 31.5 asb |
Stimulus intensity | 1000asb |
Neutral density filter | Variable in 4 steps at 0.0315, 0.10, 0.315 and 1.00 |
Variable in 5 steps at 0.40, 0.50, 0.63, 0.80 and 1.00 | |
Variable in 3 steps at 0.0001, 0.01 and 1.00 | |
* Stimulus intensity can be varied in 60 settings by combining the neutral density filters above. | |
Stimulus sizes (in area) | 1/16, 1/4, 1, 4, 16 and 64 mm2 |
Light meter | 0 to 2,000 asb |
Light bulbs | 6V, 4.35A (stimulus) |
8V, 1A (recording paper lighting) | |
Power consumption | 100VA |
Dimensions | See below |
Weight | 41 kg (main unit only) |