InFocus INL2168 vs Optoma ZK451
 MSRP $1,779 |  | |
|---|---|---|
| Key differences | ||
| White light output | — | 4,500 lm ISO |
| Native resolution | 1080p (1920 × 1080) | — |
| Native contrast (on/off) | 300,000:1 | — |
| Throw ratio | 1.21–1.59:1 | 1.4–2.24:1 |
| Lowest input lag | — | 8.6 msDerived |
| HDR formats | — | HDR10, HLG |
| Fan noise | Normal 30 dB(A) · Eco 28 dB(A) | Max 35 dB(A) · Eco 29 dB(A) |
| Price | MSRP $1,779 | — |
| Room fit | ||
| Distance to screen | 2.7–3.5 m | 3.1–5.0 m |
| Brightness | ||
| Rated brightness | — | 4,500 lmDerived |
| White light output | — | 4,500 lm ISO |
| Claimed brightness (non-standard) | 4,500 lm | — |
| Brightness uniformity | 85% | 75% |
| Display system | ||
| Imaging technology | DLP | DLP |
| Chip / panel diagonal | 0.47 in | — |
| On-screen resolution | 1080p (1920 × 1080)Derived | 4K UHD (3840 × 2160)Derived |
| Native resolution | 1080p (1920 × 1080) | — |
| Native aspect | 16:9Derived | 16:9Derived |
| Addressable resolution | — | 4K UHD (3840 × 2160) |
| Contrast | ||
| Native contrast (on/off) | 300,000:1 | — |
| Dynamic contrast | 2,000,000:1 | 2,000,000:1 |
| Colour | ||
| Gamma / EOTF presets | — | 2.2, 2.4 |
| HDR | ||
| HDR formats | — | HDR10, HLG |
| Calibration | ||
| Colour management (CMS) | — | 6-axis |
| 3D | ||
| 3D | Yes | Yes |
| 3D formats | — | Side-by-side, Top-bottom, Frame sequential |
| 3D glasses sync | — | DLP-Link |
| Light source | ||
| Light source | Laser (phosphor) | Laser (phosphor) |
| Emitter | Blue laser + phosphor | Blue laser + phosphor |
| Light engine | Quantum Laser | — |
| Light-source life | 30,000 h max | 30,000 h eco |
| Light output control | Steps | Steps |
| Cool-down time | — | 90 s |
| Optics | ||
| Throw ratio | 1.21–1.59:1 | 1.4–2.24:1 |
| Image size | — | 30–300 in |
| Projection offset | 115% | 116% |
| Zoom | Optical | Optical |
| Zoom ratio | 1.31×Derived | 1.6×Derived |
| Focal length | 12.81–16.74 mm | 20.91–32.62 mm |
| Aperture (f-number) | 1.94–2.23 | 2.5–3.26 |
| Focus | Manual | Manual |
| Autofocus | No | No |
| Vertical lens shift | -5–15% | — |
| Horizontal lens shift | None | — |
| Vertical keystone | 30° | 30° |
| Horizontal keystone | 30° | 30° |
| Auto keystone | Yes | — |
| Corner correction | — | 4-corner |
| Grid warp | — | Yes |
| Auto setup | — | Fit to screen, Obstacle avoidance |
| Interchangeable lens | No | — |
| Motion & gaming | ||
| Input lag | — | 1080p: 60 Hz 16.7 ms · 120 Hz 8.6 ms · 4K UHD: 60 Hz 16.7 ms |
| Lowest input lag | — | 8.6 msDerived |
| Input lag at 4K 60 Hz | — | 16.7 msDerived |
| Inputs & control | ||
| HDMI inputs | HDMI 2.0 (HDCP 2.2) · HDMI 1.4 | 2 × HDMI 2.0 |
| HDMI inputs (count) | 2Derived | 2Derived |
| Newest HDMI version | HDMI 2.0Derived | HDMI 2.0Derived |
| Other video inputs | VGA, Composite | — |
| Max input resolution | DCI 4K | 4K UHD |
| Audio inputs | 3.5 mm | — |
| USB media playback | No | — |
| Control ports | RS-232 | RS-232 |
| Control-system drivers | — | Crestron, AMX |
| Horizontal scan | 15–100 kHz | 15–150 kHz |
| Vertical scan | 23–120 Hz | 24–240 Hz |
| Smart platform | ||
| Ethernet | Yes | Yes |
| Audio | ||
| Speaker power | 10 W | 15 W |
| Speakers | 1 | 1 |
| Layout | Mono | — |
| Audio outputs | 3.5 mm | 3.5 mm |
| HDMI audio return | NoneDerived | NoneDerived |
| Physical & installation | ||
| Dimensions (W × D × H) | 337 × 119 × 265 mm | 274 × 216 × 114 mm |
| Weight | 4,600 g | 2,900 g |
| Orientations | Table, Ceiling, Rear, Portrait, 360° | Table, Ceiling, Rear, Portrait, 360° |
| Ceiling mount | — | M4, screws ≥ 10 mm |
| Dust filter | None | None |
| Ingress protection | IP6X | IP6X (light engine) |
| Sealed optical engine | Yes | Yes |
| Environment & power | ||
| Operating temperature | 0–40°C | 0–40°C |
| Operating humidity | 0–85%RH | — |
| Altitude | 3,050 m | 3,048 m |
| Power draw | Max 211 W | Max 178 W · Eco 124 W |
| Standby | Up to 0.5 W | Up to 0.5 W |
| Networked standby | Up to 2 W | — |
| Power supply | — | External adapter |
| Mains input | 100–240 V · 50/60 Hz | 100–240 V · 50/60 Hz |
| Noise | ||
| Fan noise | Normal 30 dB(A) · Eco 28 dB(A) | Max 35 dB(A) · Eco 29 dB(A) |
| Safety & compliance | ||
| Laser class | — | Class 1 |
| Risk group | — | RG2 |
| FDA laser notice | — | Notice 57 |
| Marks | + CE, FCC, + CCC | FCC |
| Support & ownership | ||
| Warranty | — | 3 yr (light source 5 yr or 12,000 h) |
| User manual | https://cdn.infocus.com/2024/08/Quantum-Laser_Core_CoreII_Superior-Series_EN.pdf | https://region-resource.optoma.com/products/documents/LaU8Uwg9XFPmrLtSBvohDroL18wojvZr27JsfxCM.pdf |
| In the box | ||
| In the box | Power cord, Remote, Quick start guide, + VGA cable | Power cord, Remote, + Remote batteries, Quick start guide |
| Remote | IR | — |