InFocus IN2124 vs Optoma ZH340ST
 $842 |  MSRP $2,279 | |
|---|---|---|
| Key differences | ||
| Native resolution | 1024 × 768 | 1080p (1920 × 1080) |
| Throw ratio | 1.97–2.17:1 | 0.5:1 |
| Lowest input lag | — | 8.6 msDerived |
| HDR formats | — | HDR10, HLG |
| Light source | Lamp | Laser (phosphor) |
| Fan noise | Normal 30 dB(A) · Eco 28 dB(A) | Max 34 dB(A) · Normal 32 dB(A) |
| Price | $842 | MSRP $2,279 |
| Room fit | ||
| Distance to screen | 4.0–4.4 m | 1.1 m |
| Brightness | ||
| Claimed brightness (non-standard) | 3,200 lm | 3,200 lm |
| Brightness uniformity | — | 75% |
| Brightness by mode | Normal 3,200 lm · Eco 2,500 lm | — |
| Eco brightness | 78%Derived | — |
| Display system | ||
| Imaging technology | DLP | DLP |
| Chip / panel diagonal | 0.55 in | 0.65 in |
| On-screen resolution | 1024 × 768Derived | 1080p (1920 × 1080)Derived |
| Native resolution | 1024 × 768 | 1080p (1920 × 1080) |
| Native aspect | 4:3Derived | 16:9Derived |
| Colour wheel segments | 6 | — |
| Colour wheel speed | 2× | — |
| Contrast | ||
| Dynamic contrast | 4,000:1 | 1,800,000:1 |
| Colour | ||
| Colour bit depth (per channel) | 10 bit | — |
| HDR | ||
| HDR formats | — | HDR10, HLG |
| 3D | ||
| 3D | Yes | Yes |
| 3D glasses sync | DLP-Link | DLP-Link |
| Light source | ||
| Light source | Lamp | Laser (phosphor) |
| Lamp power | 230 W | — |
| Light-source life | 3,500 h normal · 5,000 h eco | 30,000 h |
| Light output control | — | Steps |
| Cool-down time | 60 s | — |
| Optics | ||
| Throw ratio | 1.97–2.17:1 | 0.5:1 |
| Image size | — | 30–300 in |
| Projection offset | 115% | 116% |
| Zoom | Optical | None |
| Zoom ratio | 1.1×Derived | — |
| Focal length | — | 7.51 mm |
| Aperture (f-number) | — | 2.8 |
| Focus | Manual | — |
| Autofocus | No | — |
| Vertical lens shift | — | None |
| Vertical keystone | — | 30° |
| Horizontal keystone | — | 30° |
| Auto keystone | — | Yes |
| Corner correction | — | 4-corner |
| Motion & gaming | ||
| Input lag | — | 1080p: 60 Hz 17 ms · 120 Hz 8.6 ms · 4K UHD: 60 Hz 17 ms |
| Lowest input lag | — | 8.6 msDerived |
| Input lag at 4K 60 Hz | — | 17 msDerived |
| Inputs & control | ||
| HDMI inputs | HDMI 1.4 | 2 × HDMI 2.0 |
| HDMI inputs (count) | 1Derived | 2Derived |
| Newest HDMI version | HDMI 1.4Derived | HDMI 2.0Derived |
| Other video inputs | VGA | — |
| Control ports | RS-232 | RS-232 |
| Control-system drivers | Crestron | — |
| Horizontal scan | 31–100 kHz | 15–140 kHz |
| Vertical scan | 50–120 Hz | 24–120 Hz |
| Smart platform | ||
| Ethernet | Yes | — |
| Audio | ||
| Speaker power | 2 W | 15 W |
| Speakers | — | 1 |
| Layout | Mono | — |
| Audio outputs | 3.5 mm | 3.5 mm |
| HDMI audio return | NoneDerived | NoneDerived |
| Physical & installation | ||
| Dimensions (W × D × H) | 284 × 235 × 70 mm | 274 × 216 × 114 mm |
| Weight | 2,170 g | 2,998 g |
| Orientations | + Table, + Ceiling, + Rear | + Portrait, + 360° |
| Ceiling mount | — | M4, screws ≥ 10 mm |
| Exhaust | Front | — |
| Dust filter | None | — |
| Ingress protection | — | IP6X |
| Environment & power | ||
| Operating temperature | 5–35°C | 0–40°C |
| Altitude | 3,068 m · high-altitude mode | 2,500 m |
| Power draw | Max 540 W · Normal 540 W · Eco 440 W | Max 139 W · Eco 98 W |
| Standby | 15 W | Up to 0.5 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 34 dB(A) · Normal 32 dB(A) |
| Safety & compliance | ||
| Laser class | — | Class 1 |
| Risk group | — | RG2 |
| FDA laser notice | — | Notice 57 |
| Marks | CE, FCC, UL | — |
| Support & ownership | ||
| Warranty | 2 yr (light source 6 mo) | 1 yr (light source 5 yr or 12,000 h) |
| User manual | https://www.projectorcentral.com/pdf/projector_manual_6992.pdf | — |
| In the box | ||
| In the box | Power cord, Remote, + User manual, + VGA cable | Power cord, Remote, + Remote batteries, + Quick start guide |
| Remote | IR | — |