InFocus IN1048SL vs Optoma ZK608T
 $2,092.34 |  Optoma ZK608T | |
|---|---|---|
| Key differences | ||
| Native resolution | 1080p (1920 × 1080) | — |
| Throw ratio | 1.4–2.24:1 | 1.2–1.92:1 |
| Lowest input lag | — | 4.36 msDerived |
| HDR formats | — | HDR10, HLG |
| Fan noise | Normal 30 dB(A) · Eco 28 dB(A) | Max 36 dB(A) · Eco 33 dB(A) |
| Price | $2,092.34 | — |
| Room fit | ||
| Distance to screen | 3.1–5.0 m | 2.7–4.3 m |
| Brightness | ||
| Rated brightness | 6,000 lmDerived | 6,000 lmDerived |
| White light outputISO | 6,000 lm ISO | 6,000 lm ISO |
| Brightness uniformity | 85% | 85% |
| Display system | ||
| Imaging technology | DLP | DLP |
| Chip / panel diagonal | 0.65 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 | ||
| Dynamic contrast | 2,000,000:1 | 300,000:1 |
| Colour | ||
| Colour bit depth (per channel) | 10 bit | — |
| Gamma / EOTF presets | 2.2, 2.4, 2.6 | — |
| 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)Derived | Laser (phosphor) |
| Emitter | Blue laser + phosphor | Blue laser + phosphor |
| Light engine | Quantum Laser | — |
| Light-source life | Up to 30,000 h | 30,000 h eco |
| Light output control | Steps | — |
| Optics | ||
| Throw ratio | 1.4–2.24:1 | 1.2–1.92:1 |
| Image size | 20–300 in | 30–300 in |
| Projection offset | 103% | 106% |
| Zoom | Optical | Optical |
| Zoom ratio | 1.6×Derived | 1.6×Derived |
| Focal length | 20.91–32.62 mm | 17.63–27.9 mm |
| Focus | Manual | — |
| Autofocus | No | — |
| Vertical lens shift | 0–15% | -106–126% |
| Horizontal lens shift | — | ±10% |
| Motorised lens shift | No | No |
| Vertical keystone | 30° | 30° |
| Horizontal keystone | 30° | 30° |
| Auto keystone | Yes | Yes |
| Corner correction | 4-corner | 4-corner |
| Motion & gaming | ||
| Max input refresh | 1080p: 120 Hz · 4K UHD: 60 Hz | — |
| Max refresh at 1080p | 120 HzDerived | — |
| Max refresh at 4K | 60 HzDerived | — |
| Input lag | — | 1080p: 60 Hz 17 ms · 120 Hz 8.6 ms · 240 Hz 4.4 ms · 4K UHD: 60 Hz 16.9 ms |
| Lowest input lag | — | 4.36 msDerived |
| Input lag at 4K 60 Hz | — | 16.9 msDerived |
| Inputs & control | ||
| HDMI inputs | HDMI 2.0 · HDMI 1.4 | 2 × HDMI 2.0 (HDCP 2.3) |
| HDMI inputs (count) | 2Derived | 2Derived |
| Newest HDMI version | HDMI 2.0Derived | HDMI 2.0Derived |
| Other video inputs | VGA, HDBaseT | VGA, HDBaseT |
| Max input resolution | DCI 4K | — |
| Audio inputs | — | 3.5 mm |
| Control ports | RS-232 | RS-232, + 12 V trigger |
| Control-system drivers | — | Crestron, AMX |
| Horizontal scan | 15.38–91.15 kHz | — |
| Vertical scan | 24–120 Hz | 24–120 Hz |
| Smart platform | ||
| Ethernet | Yes | Yes |
| Audio | ||
| Speaker power | 10 W | 15 W |
| Speakers | 1 | 2 |
| Audio outputs | 3.5 mm | 3.5 mm |
| HDMI audio return | NoneDerived | NoneDerived |
| Physical & installation | ||
| Dimensions (W × D × H) | 374 × 302 × 117 mm | 374 × 302 × 117 mm |
| Weight | 5,500 g | 6,300 g |
| Orientations | Table, Ceiling, Rear | Table, Ceiling, Rear, + Portrait, + 360° |
| Dust filter | None | None |
| Ingress protection | — | IP6X (light engine) |
| Sealed optical engine | — | Yes |
| Environment & power | ||
| Operating temperature | 5–40°C | — |
| Operating humidity | 10–85%RH | — |
| Altitude | 3,048 m · high-altitude mode | — |
| Power draw | Max 341 W · Eco 190 W | Max 366 W · Normal 300 W |
| Standby | Up to 0.5 W | — |
| Networked standby | Up to 2 W | — |
| 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 36 dB(A) · Eco 33 dB(A) |
| Safety & compliance | ||
| Laser class | Class 1 | Class 1 |
| Risk group | RG2 | RG2 |
| FDA laser notice | — | Notice 57 |
| Marks | CE, FCC, CCC | — |
| Support & ownership | ||
| Warranty | 5 yr or 20,000 h | — |
| User manual | https://cdn.infocus.com/2026/06/UG_Authentic-I_IN1048SL_49SL_EN-v2.pdf | https://region-resource.optoma.com/products/import/Documents/b0d04fc7-f84c-44a5-b36c-e8109cc85fa3.pdf |
| In the box | ||
| In the box | Power cord, Remote, Quick start guide, + VGA cable, + Lens cap | Power cord, Remote, + Remote batteries, Quick start guide |
| Remote | IR | — |