InFocus · Under 3,000 lumens · XGA
InFocus LP640
2,200lumens
1024×768native
1.6–1.9throw ratio
3.4 kgweight
The InFocus LP640 is a 0.80" 3LCD projector rated at 2,200 lumens with a native resolution of 1024×768. It uses a 170w uhp bulb light source rated for 2,000 hours. Its lens has a throw ratio of 1.6–1.9:1. Released January 2004.
Throw distance table
Distance from lens to surface for each image width (4:3 (XGA)). Calculated as throw ratio × width; check the manufacturer's lens calculator before installation.
| Image width | Height | Standard lens 1.6–1.9:1 |
|---|---|---|
| 2 m (6.6 ft) | 1.5 m | 3.2–3.8 m |
| 3 m (9.8 ft) | 2.25 m | 4.8–5.7 m |
| 4 m (13.1 ft) | 3.0 m | 6.4–7.6 m |
| 5 m (16.4 ft) | 3.75 m | 8.0–9.5 m |
| 6 m (19.7 ft) | 4.5 m | 9.6–11.4 m |
| 8 m (26.2 ft) | 6.0 m | 12.8–15.2 m |
| 10 m (32.8 ft) | 7.5 m | 16.0–19.0 m |
| 12 m (39.4 ft) | 9.0 m | 19.2–22.8 m |
| 15 m (49.2 ft) | 11.25 m | 24.0–28.5 m |
| 20 m (65.6 ft) | 15.0 m | 32.0–38.0 m |
| 25 m (82.0 ft) | 18.75 m | 40.0–47.5 m |
| 30 m (98.4 ft) | 22.5 m | 48.0–57.0 m |
Open in the throw-distance calculator →
Maximum image size for projection mapping
Largest image that keeps a 10:1 contrast against ambient light on a light, matte surface (80% optical efficiency). See how this is calculated.
| Ambient light | Max area | Max width × height |
|---|---|---|
| Dark rural site (1 lux) | 196 m² | 16.1 × 12.1 m |
| Quiet street at night (5 lux) | 39 m² | 7.2 × 5.4 m |
| Lit city square (15 lux) | 13 m² | 4.2 × 3.1 m |
| Bright urban area (30 lux) | 7 m² | 2.9 × 2.2 m |
| Indoor, lights dimmed (50 lux) | 4 m² | 2.3 × 1.7 m |
Full specifications
| Additional Features | Optional ProjectorNet networking software sold seperately |
|---|---|
| Aspect Ratio | 4:3 (XGA) |
| Audible Noise | 34 dB |
| Color Processing | 8-bit |
| Connection Panel | Network: RJ-45 |
| Contrast | 400:1 (full on/off) |
| Data Modes | MAX 1400x1050 |
| Digital Keystone | Horizontal & Vertical |
| Display Type | 0.80" 3LCD |
| Features | FCC A UL |
| Image Size | 39.47" - 309.38" |
| Included Lens | 1.2x manual zoom , manual focus |
| Internal Speakers | 2.0 Watts × 2 |
| Lamp Model | SP-LAMP-017 Buy SP-LAMP-017 Lamp |
| Lens Shift | No |
| Light Source | 170W UHP bulb |
| Light Source Life | 2,000 hours |
| MSRP | n/a |
| Power | 260 Watts 85V - 240V |
| Projector Size | 4.10" x 11.60" x 10.30" (HxWxD) |
| Released | January 2004 |
| Resolution | 1024x768 |
| Status | Discontinued Oct 2006 |
| Throw Distance | 5.0' - 33.0' Calculate Throw Distance |
| Throw Ratio | 1.60:1 - 1.90:1 (D:W) |
| Video Modes | 1080p/60, 1080i, 720p, 576p, 480p |
| Warranty | 2 Years |
| Weight | 7.5 lbs |
| White Brightness | 2,200 Lumens (ANSI) 1 |
Specifications compiled from ProjectorCentral and manufacturer data. Prices change — verify with dealers.
Similar projectors
| Model | Lumens | Resolution | Light source | Throw ratio | Street price |
|---|---|---|---|---|---|
| Hitachi CP-A220N | 2,200 | 1024×768 | 210W UHP bulb | 0.31:1 | |
| Hitachi CP-A221N | 2,200 | 1024×768 | 210W UHP bulb | 0.31:1 | |
| Hitachi CP-A222WN | 2,200 | 1024×768 | 215W UHP bulb | 0.31:1 | |
| Hitachi CP-RX78 | 2,200 | 1024×768 | 190W UHB bulb | 1.44–1.73:1 | |
| Hitachi CP-RX79 | 2,200 | 1024×768 | UHB bulb | 1.52–1.83:1 | |
| Hitachi CP-RX80 | 2,200 | 1024×768 | 210W UHP bulb | 1.44–1.73:1 | $995 |
| Hitachi CP-RX82 | 2,200 | 1024×768 | 200W UHP bulb | 1.5–1.8:1 | |
| Hitachi CP-RX82Z | 2,200 | 1024×768 | 200W UHP bulb | 1.5–1.8:1 |