A TECHNICAL SPECIFICATIONS
OPTICAL HT 280
Projection system: | optical engine based on 1 DMD™, |
| sealed housing, dusty proof |
DMD™ panel: | resolution 1024x576 pixel |
Brightness uniformity: | 10% above or below the average |
Contrast ratio: | > 2300:1 (full On / full Off) |
Projection lens: | zoom, 12 elements AR multilayer |
| coating, motorized focus and zoom, |
| manual elevation |
Aperture f#: | 2.7 (zoom max) - 3.3 (zoom min) |
Picture size: | |
Aspect ratio: | 4/3 and 16/9 |
Throw ratio: | 2.21:1 - 3:1 |
(throw distance: picture width) |
|
Focus range: | 2.2 - 13.0 m (7’ 3” - 42’ 8”) |
Throw Distance: | 60”: 3m - 4.1m |
| 80”: 4m - 5.5m |
| 100”: 5m - 6.8m |
Keystone adjustement: | up to 28° (optical: ± 10° digital: ±18°) |
| Not available with 1080i input signal |
Lamp: | 120 W |
Lamp life time: | 8000 hours (average value measured |
| in the laboratory under optimal condi- |
| tions; it can be sensibly reduced by |
| the unit misusing) |
OPTICAL HT 300 XTRA-H
Projection system: | optical engine based on 1 DMD™ |
| HD2+ chip, sealed housing, dusty proof |
DMD™ panel: | resolution 1280x720 pixel |
Brightness uniformity: | 10% above or below the average |
Contrast ratio: | > 2800:1 (full On / full Off) |
Projection lens: | zoom, 12 elements AR multilayer |
| coating, motorized focus and zoom, |
| manual elevation |
Aperture f#: | 2.7 (zoom max) - 3.3 (zoom min) |
Picture size: | |
Aspect ratio: | 4/3 and 16/9 |
Throw ratio: | 1.8:1 - 2.5:1 |
(throw distance: picture width) |
|
Focus range: | 2.2 - 13.0 m (7’ 3” - 42’ 8”) |
Throw Distance: | 60”: 2.4m - 3.3m (7’ 11” - 10’ 10”) |
| 80”: 3.2m - 4.4m (10’ 6” - 14’ 5”) |
| 100”: 4.0m - 5.5m (13’ 2” - 18’ 1”) |
Keystone adjustement: | up to 26° (optical: ± 8° digital: ±18°) |
Lamp: | 120 W |
Lamp life time: | 8000 hours (average value measured |
| in the laboratory under optimal condi- |
| tions; it can be sensibly reduced by |
| the unit misusing) |
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