Optoma ZK708T vs Panasonic PT-EW730Z
 MSRP $7,499 |  MSRP $5,999 | |
|---|---|---|
| Key differences | ||
| White light output | — | 7,000 lm ISO (Normal power, Dynamic mode) · 7,000 lm ANSI |
| Native resolution | — | WXGA (1280 × 800) |
| Throw ratio | 1.2–1.92:1 | 1.7–2.8:1 |
| Lowest input lag | 16.9 msDerived | — |
| HDR formats | HDR10, HLG | — |
| Light source | Laser (phosphor) | Lamp |
| Fan noise | Max 36 dB(A) · Eco 33 dB(A) | Normal 37 dB(A) · Eco 29 dB(A) |
| Price | MSRP $7,499 | MSRP $5,999 |
| Room fit | ||
| Distance to screen | 2.7–4.3 m | 3.7–6.0 m |
| Brightness | ||
| Rated brightness | — | 7,000 lmDerived |
| White light output | — | 7,000 lm ISO (Normal power, Dynamic mode) · 7,000 lm ANSI |
| Claimed brightness (non-standard) | 7,000 lm | — |
| Brightness uniformity | 85% | 90% |
| Display system | ||
| Imaging technology | DLP | 3LCD |
| Chip / panel diagonal | — | 0.76 in |
| On-screen resolution | 4K UHD (3840 × 2160)Derived | WXGA (1280 × 800)Derived |
| Native resolution | — | WXGA (1280 × 800) |
| Native aspect | 16:9Derived | 16:10Derived |
| Addressable resolution | 4K UHD (3840 × 2160) | — |
| Contrast | ||
| Dynamic contrast | 300,000:1 | 5,000:1 |
| HDR | ||
| HDR formats | HDR10, HLG | — |
| 3D | ||
| 3D | Yes | No |
| Light source | ||
| Light source | Laser (phosphor) | Lamp |
| Emitter | Blue laser + phosphor | — |
| Lamp power | — | 400 W |
| Replacement lamp | — | ET-LAE300 |
| Light-source life | Up to 30,000 h | 3,000 h normal · 4,500 h eco |
| Optics | ||
| Throw ratio | 1.2–1.92:1 | 1.7–2.8:1 |
| Image size | 31.5–302 in | 40–400 in |
| Projection offset | 106% | — |
| Zoom | Optical | Optical |
| Zoom ratio | 1.6×Derived | 1.65×Derived |
| Focal length | 17.63–27.9 mm | 26.9–45.4 mm |
| Aperture (f-number) | 2.3–3 | 1.7–2.3 |
| Focus | — | Motorised |
| Vertical lens shift | -106–126% | ±60% |
| Horizontal lens shift | ±10% | ±10% |
| Motorised lens shift | No | Yes |
| Vertical keystone | 30° | 40° |
| Horizontal keystone | 30° | 30° |
| Auto keystone | Yes | — |
| Corner correction | 4-corner | — |
| Interchangeable lens | — | Yes |
| Motion & gaming | ||
| Input lag | 1080p: 60 Hz 33.8 ms · 120 Hz 17 ms · 240 Hz 17 ms · 4K UHD: 60 Hz 16.9 ms | — |
| Lowest input lag | 16.9 msDerived | — |
| Input lag at 4K 60 Hz | 16.9 msDerived | — |
| Inputs & control | ||
| HDMI inputs | 2 × HDMI 2.0 | HDMI |
| HDMI inputs (count) | 2Derived | 1Derived |
| Newest HDMI version | HDMI 2.0Derived | — |
| Other video inputs | VGA, HDBaseT | VGA, + Component, + Composite, HDBaseT |
| Max input resolution | — | WUXGA |
| Audio inputs | 3.5 mm | 3.5 mm, + RCA |
| Control ports | RS-232, + 12 V trigger | RS-232 |
| PJLink | — | Class 1 |
| Control-system drivers | Crestron, AMX | Crestron, AMX |
| Horizontal scan | 15–140 kHz | 15–100 kHz |
| Vertical scan | 24–120 Hz | 24–120 Hz |
| Smart platform | ||
| Ethernet | Yes | Yes |
| Audio | ||
| Speaker power | 15 W | 10 W |
| Speakers | 2 | 1 |
| Layout | — | Mono |
| Audio outputs | 3.5 mm | — |
| HDMI audio return | NoneDerived | — |
| Physical & installation | ||
| Dimensions (W × D × H) | 374 × 302 × 117 mm | 530 × 445 × 177 mm |
| Weight | 6,300 g | 10,600 g |
| Colours | — | White |
| Orientations | Table, Ceiling, Rear, + Portrait, + 360° | Table, Ceiling, Rear |
| Dust filter | — | Washable |
| Ingress protection | IP6X (light engine) | — |
| Sealed optical engine | Yes | — |
| Environment & power | ||
| Operating temperature | 0–40°C | 0–45°C |
| Operating humidity | 10–85%RH | 10–80%RH |
| Altitude | — | Up to 2,700 m |
| Power draw | Max 366 W · Normal 300 W | Max 575 W |
| Standby | Up to 0.5 W | 0.3 W |
| Networked standby | — | 10 W |
| Power supply | — | Built in |
| Mains input | 100–240 V · 50/60 Hz | 100–240 V · 50/60 Hz |
| Noise | ||
| Fan noise | Max 36 dB(A) · Eco 33 dB(A) | Normal 37 dB(A) · Eco 29 dB(A) |
| Safety & compliance | ||
| Laser class | Class 1 | — |
| Risk group | RG2 | — |
| FDA laser notice | Notice 57 | — |
| Support & ownership | ||
| User manual | https://region-resource.optoma.com/products/import/Documents/b0d04fc7-f84c-44a5-b36c-e8109cc85fa3.pdf | — |
| Spare parts | — | Lamp ET-LAE300 · Air filter ET-RFE300 |
| In the box | ||
| In the box | Power cord, Remote, Remote batteries, + Quick start guide | Power cord, Remote, Remote batteries, + Software CD |