Optoma · Under 3,000 lumens · 4K
Optoma Photon Life PK31
900lumens
3840×2160native
1.5–1.65throw ratio
2.4 kgweight
The Optoma Photon Life PK31 is a DLP x 1 projector rated at 900 lumens with a native resolution of 3840×2160. It uses a led light source rated for 30,000 hours. Its lens has a throw ratio of 1.5–1.65:1. Released October 2025.
Throw distance table
Distance from lens to surface for each image width (16:9 (4K HD)). Calculated as throw ratio × width; check the manufacturer's lens calculator before installation.
| Image width | Height | Standard lens 1.5–1.65:1 |
|---|---|---|
| 2 m (6.6 ft) | 1.12 m | 3.0–3.3 m |
| 3 m (9.8 ft) | 1.69 m | 4.5–4.9 m |
| 4 m (13.1 ft) | 2.25 m | 6.0–6.6 m |
| 5 m (16.4 ft) | 2.81 m | 7.5–8.2 m |
| 6 m (19.7 ft) | 3.38 m | 9.0–9.9 m |
| 8 m (26.2 ft) | 4.5 m | 12.0–13.2 m |
| 10 m (32.8 ft) | 5.62 m | 15.0–16.5 m |
| 12 m (39.4 ft) | 6.75 m | 18.0–19.8 m |
| 15 m (49.2 ft) | 8.44 m | 22.5–24.8 m |
| 20 m (65.6 ft) | 11.25 m | 30.0–33.0 m |
| 25 m (82.0 ft) | 14.06 m | 37.5–41.2 m |
| 30 m (98.4 ft) | 16.88 m | 45.0–49.5 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) | 80 m² | 11.9 × 6.7 m |
| Quiet street at night (5 lux) | 16 m² | 5.3 × 3.0 m |
| Lit city square (15 lux) | 5 m² | 3.1 × 1.7 m |
| Bright urban area (30 lux) | 3 m² | 2.2 × 1.2 m |
| Indoor, lights dimmed (50 lux) | 2 m² | 1.7 × 0.9 m |
Full specifications
| 3D Modes | Full HD 3D |
|---|---|
| Aspect Ratio | 16:9 (4K HD) |
| Audible Noise | 32 dB / 26 dB (Eco) |
| Best Used For | Home Theater Gaming |
| Brightness | 900 Lumens (ISO) 2 |
| Color Processing | 10-bit |
| Connection Panel | Audio Out: Mini Jack HDMI 2.0 USB: A |
| Data Modes | MAX 3840x2160 |
| Digital Keystone | Horizontal & Vertical |
| Digital Zoom | Yes |
| Display Type | DLP x 1 |
| Dynamic Contrast | 200,000:1 |
| Features | 24/7 Operation Full HD 3D Geometric Correction HDMI CEC |
| Image Size | 60.00" - 150.35" |
| Included Lens | 1.1x manual zoom , manual focus |
| Input Lag | 4K/60: 16ms | 1080p/60: 16ms | 1080p/120: 8ms | 1080p/240: 4.6ms |
| Internal Speakers | 5.0 Watts Mono |
| Lens Shift | No |
| Light Source | LED |
| Light Source Life | 30,000 hours |
| MSRP | n/a |
| Power | 110 Watts 100V - 240V |
| Projector Placement | For a " diagonal screen, place the projector lens between 10'-11" and 11'-12" from the screen. |
| Projector Size | 5.10" x 9.40" x 8.50" (HxWxD) |
| Released | October 2025 |
| Resolution | 3840x2160 |
| Status | Shipping |
| Street Price | $1,099 (USD) |
| Throw Distance | 7.2' - 16.4' Calculate Throw Distance |
| Throw Ratio | 1.50:1 - 1.65:1 (D:W) |
| Video Modes | 720p, 1080i, 1080p/60, 1080p/24, 1080p/30, 1080p/50, 2160p/24, 2160p/60, 576i, 576p, 480p, 480i |
| Warranty | 1 Year |
| Weight | 5.2 lbs |
Specifications compiled from ProjectorCentral and manufacturer data. Prices change — verify with dealers.
Similar projectors
| Model | Lumens | Resolution | Light source | Throw ratio | Street price |
|---|---|---|---|---|---|
| LG CineBeam PU700R | 1,000 | 3840×2160 | LED | 1.24:1 | $1,598 |
| Optoma Photon Life PK32 | 1,100 | 3840×2160 | LED | 1.12–1.46:1 | $999 |
| Hitachi CP-S840W | 900 | 800×600 | 150W UHP bulb | 2.05–2.67:1 | $4,995 |
| Hitachi CP-S845W | 900 | 800×600 | 150W UHP bulb | 2.05–2.67:1 | |
| Dell M900HD | 900 | 1280×800 | LED | 1.4:1 | $829 |
| Sanyo PLC-750M | 900 | 640×480 | 400W Metal Halide bulb | $9,995 | |
| projectiondesign avielo prisma HD | 900 | 1920×1080 | 220W UHP bulb | 1.6–2.1:1 | |
| Runco Reflection CL-510 | 900 | 1024×576 | 210W Metal Halide bulb | $5,995 |