Optoma · 3,000–4,999 lumens · Full
Optoma GT2100HDR
4,200lumens
1920×1080native
0.5–0.5throw ratio
3.0 kgweight
The Optoma GT2100HDR is a DLP x 1 projector rated at 4,200 lumens with a native resolution of 1920×1080. It uses a laser phosphor light source rated for 30,000 hours. Its lens has a throw ratio of 0.5:1. Released June 2023.
Throw distance table
Distance from lens to surface for each image width (16:9 (HD)). Calculated as throw ratio × width; check the manufacturer's lens calculator before installation.
| Image width | Height | Standard lens 0.5:1 |
|---|---|---|
| 2 m (6.6 ft) | 1.12 m | 1.0 m |
| 3 m (9.8 ft) | 1.69 m | 1.5 m |
| 4 m (13.1 ft) | 2.25 m | 2.0 m |
| 5 m (16.4 ft) | 2.81 m | 2.5 m |
| 6 m (19.7 ft) | 3.38 m | 3.0 m |
| 8 m (26.2 ft) | 4.5 m | 4.0 m |
| 10 m (32.8 ft) | 5.62 m | 5.0 m |
| 12 m (39.4 ft) | 6.75 m | 6.0 m |
| 15 m (49.2 ft) | 8.44 m | 7.5 m |
| 20 m (65.6 ft) | 11.25 m | 10.0 m |
| 25 m (82.0 ft) | 14.06 m | 12.5 m |
| 30 m (98.4 ft) | 16.88 m | 15.0 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) | 373 m² | 25.8 × 14.5 m |
| Quiet street at night (5 lux) | 75 m² | 11.5 × 6.5 m |
| Lit city square (15 lux) | 25 m² | 6.7 × 3.7 m |
| Bright urban area (30 lux) | 12 m² | 4.7 × 2.6 m |
| Indoor, lights dimmed (50 lux) | 7 m² | 3.6 × 2.0 m |
Full specifications
| 3D Modes | Full HD 3D |
|---|---|
| Aspect Ratio | 16:9 (HD) |
| Audible Noise | 34 dB / 32 dB (Eco) |
| Best Used For | Home Theater Gaming |
| Brightness | 4,200 Lumens (ANSI) 1 |
| Color Processing | 10-bit |
| Connection Panel | Audio Out: Mini Jack HDMI 2.0 x 2 Network: RJ-45 RS232: DB-9pin USB: A |
| Data Modes | MAX 1920x1080 |
| Digital Keystone | Horizontal & Vertical |
| Digital Zoom | Yes |
| Display Type | DLP x 1 |
| Dynamic Contrast | 300,000:1 |
| Features | Short-Throw Full HD 3D Geometric Correction HDR HDMI CEC Blackboard Mode Crestron RoomView™ FCC B |
| Image Size | 35.81" - 292.30" |
| Included Lens | Fixed focal length , manual focus |
| Internal Speakers | 15.0 Watts Mono |
| Lens Shift | No |
| Light Source | Laser Phosphor |
| Light Source Life | 30,000 hours |
| MSRP | $2,249 (USD) |
| Power | 173 Watts 100V - 240V |
| Projector Placement | For a " diagonal screen, place the projector lens 3'-7" from the screen. |
| Projector Size | 4.49" x 10.79" x 8.50" (HxWxD) |
| Released | June 2023 |
| Resolution | 1920x1080 |
| Status | Shipping |
| Street Price | $1,299 (USD) |
| Throw Distance | 1.3' - 10.5' Calculate Throw Distance |
| Throw Ratio | 0.50:1 (D:W) |
| Video Modes | 720p, 1080i, 1080p/60, 1080p/24, 1080p/50, 576i, 576p, 480p, 480i |
| Warranty | 1 Year |
| Weight | 6.6 lbs |
Specifications compiled from ProjectorCentral and manufacturer data. Prices change — verify with dealers.
Similar projectors
| Model | Lumens | Resolution | Light source | Throw ratio | Street price |
|---|---|---|---|---|---|
| Optoma GT2400HDR | 4,200 | 1920×1080 | Laser Phosphor | 0.48:1 | $1,299 |
| Optoma ZH450ST | 4,200 | 1920×1080 | Laser Phosphor | 0.5:1 | $1,999 |
| Optoma ZH420 | 4,300 | 1920×1080 | Laser Phosphor | 1.12–1.47:1 | $1,199 |
| Optoma EH320USTi | 4,000 | 1920×1080 | 260W Metal Halide bulb | 0.25:1 | |
| Optoma HZ40HDR | 4,000 | 1920×1080 | Laser Phosphor | 1.48–1.62:1 | $712 |
| Optoma ZH400 | 4,000 | 1920×1080 | Laser Phosphor | 1.48–1.62:1 | $999 |
| Optoma ZH400ST | 4,000 | 1920×1080 | Laser Phosphor | 0.5:1 | $1,499 |
| Optoma ZH430UST | 4,000 | 1920×1080 | Laser Phosphor | 0.25:1 | $1,999 |