InFocus IN1039 vs Optoma ZH451ST
 MSRP $1,429 |  $1,499 | |
|---|---|---|
| Key differences | ||
| White light output | — | 4,200 lm ISO |
| Native resolution | WUXGA (1920 × 1200) | 1080p (1920 × 1080) |
| Throw ratio | 1.26–2.09:1 | 0.5:1 |
| Lowest input lag | — | 8.4 msDerived |
| HDR formats | — | HDR10, HLG |
| Light source | Lamp | Laser (phosphor) |
| Fan noise | Normal 32 dB(A) · Eco 26 dB(A) | Normal 36 dB(A) · Eco 29 dB(A) |
| Price | MSRP $1,429 | $1,499 |
| Room fit | ||
| Distance to screen | 2.7–4.5 m | 1.1 m |
| Brightness | ||
| Rated brightness | — | 4,200 lmDerived |
| White light output | — | 4,200 lm ISO |
| Claimed brightness (non-standard) | 4,200 lm | — |
| Brightness uniformity | 85% | 75% |
| Display system | ||
| Imaging technology | 3LCD | DLP |
| Chip / panel diagonal | 0.64 in | — |
| On-screen resolution | WUXGA (1920 × 1200)Derived | 1080p (1920 × 1080)Derived |
| Native resolution | WUXGA (1920 × 1200) | 1080p (1920 × 1080) |
| Native aspect | 16:10Derived | 16:9Derived |
| Contrast | ||
| Dynamic contrast | — | 2,000,000:1 |
| Colour | ||
| Colour bit depth (per channel) | — | 10 bit |
| Gamma / EOTF presets | — | 2.2, 2.4 |
| HDR | ||
| HDR formats | — | HDR10, HLG |
| Calibration | ||
| Colour management (CMS) | — | 6-axis |
| Picture certifications | — | ISF, Filmmaker Mode |
| 3D | ||
| 3D | — | Yes |
| 3D formats | — | Side-by-side, Top-bottom, Frame sequential |
| 3D glasses sync | — | DLP-Link |
| Light source | ||
| Light source | Lamp | Laser (phosphor) |
| Emitter | — | Blue laser + phosphor |
| Light engine | — | DuraCore |
| Lamp power | 240 W | — |
| Replacement lamp | SP-LAMP-107 | — |
| Light-source life | 20,000 h max | 30,000 h |
| Light output control | — | Steps |
| Constant brightness mode | — | Yes |
| Cool-down time | — | 90 s |
| Optics | ||
| Throw ratio | 1.26–2.09:1 | 0.5:1 |
| Image size | 29.79–300 in | 30–300 in |
| Projection offset | 10% | 116% |
| Zoom | Optical | Digital |
| Zoom ratio | 1.66×Derived | — |
| Focal length | 17.5–29.01 mm | 7.51 mm |
| Aperture (f-number) | 1.7–2.1 | 2.8 |
| Focus | Manual | Manual |
| Autofocus | — | No |
| Vertical keystone | 30° | 15° |
| Horizontal keystone | 30° | 15° |
| Auto keystone | Yes | — |
| Corner correction | 4-corner | 4-corner |
| Grid warp | Yes | — |
| Motion & gaming | ||
| Input lag | — | About 1080p: 60 Hz 16.7 ms · 120 Hz 8.4 ms · 4K UHD: 60 Hz 16.7 ms |
| Lowest input lag | — | 8.4 msDerived |
| Input lag at 4K 60 Hz | — | 16.7 msDerived |
| Inputs & control | ||
| HDMI inputs | 2 × HDMI 1.4 | 2 × HDMI 2.0 |
| HDMI inputs (count) | 2Derived | 2Derived |
| Newest HDMI version | HDMI 1.4Derived | HDMI 2.0Derived |
| Other video inputs | VGA, + Composite | VGA |
| Max input resolution | 4K UHD | 4K UHD |
| Audio inputs | 3.5 mm, RCA | — |
| USB media playback | Yes | — |
| Control ports | RS-232 | RS-232, + Wired IR, + 12 V trigger |
| PJLink | — | Class 1 |
| Control-system drivers | Crestron, + AMX | Crestron |
| Horizontal scan | 15–100 kHz | 15–135 kHz |
| Vertical scan | 48–85 Hz | 24–120 Hz |
| Smart platform | ||
| Ethernet | — | Yes |
| Audio | ||
| Speaker power | 16 W | 15 W |
| Speakers | 1 | 1 |
| Layout | — | Mono |
| Audio outputs | 3.5 mm | — |
| HDMI audio return | NoneDerived | — |
| Physical & installation | ||
| Dimensions (W × D × H) | 345 × 261 × 99 mm | 274 × 216 × 114 mm |
| Weight | 3,300 g | 3,000 g |
| Orientations | — | Portrait, 360° |
| Ceiling mount | M4, 10 mm deep | M4, 10 mm screws |
| Ingress protection | — | IP6X |
| Environment & power | ||
| Operating temperature | 5–40°C | 0–40°C |
| Operating humidity | 20–80%RH | — |
| Altitude | 3,000 m | 2,500 m · high-altitude mode |
| Power draw | Max 340 W · Eco 150 W | Max 170 W |
| Standby | 0.5 W | Up to 0.5 W |
| Networked standby | 2 W | — |
| Power supply | — | External adapter |
| Mains input | 100–240 V · 50/60 Hz | 100–240 V · 50/60 Hz |
| Noise | ||
| Fan noise | Normal 32 dB(A) · Eco 26 dB(A) | Normal 36 dB(A) · Eco 29 dB(A) |
| Safety & compliance | ||
| Laser class | — | Class 1 |
| Risk group | — | RG2 |
| Hazard distance | — | 1 m |
| Marks | + CE, + UKCA, FCC, + CCC | FCC |
| Support & ownership | ||
| User manual | https://www.projectorcentral.com/pdf/projector_manual_11689.pdf | https://region-resource.optoma.com/products/documents/0NL94Q0vvVEJVe7dxQKlMzhtuURlT8FwUXNkLi8y.pdf |
| Spare parts | Lamp SP-LAMP-107 | — |
| In the box | ||
| In the box | Power cord, Remote, Quick start guide, + VGA cable | Power cord, Remote, + Remote batteries, Quick start guide |
| Remote | IR | IR |