Casio XJ-M251 vs ViewSonic LS600W
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|---|---|---|
| Key differences | ||
| White light output | — | 3,000 lm ANSI |
| Throw ratio | 1.32–1.93:1 | 1.37–1.64:1 |
| Light source | Hybrid laser + LED | LED |
| Fan noise | — | Normal 31 dB(A) · Eco 25 dB(A) |
| Price | — | MSRP $899 |
| Room fit | ||
| Distance to screen | 2.8–4.2 m | 3.0–3.5 m |
| Brightness | ||
| Rated brightness | — | 3,000 lmDerived |
| White light output | — | 3,000 lm ANSI |
| Claimed brightness (non-standard) | 3,000 lm | — |
| Display system | ||
| Imaging technology | DLP | DLP |
| Chip / panel diagonal | 0.65 in | 0.65 in |
| On-screen resolution | WXGA (1280 × 800)Derived | WXGA (1280 × 800)Derived |
| Native resolution | WXGA (1280 × 800) | WXGA (1280 × 800) |
| Native aspect | 16:10Derived | 16:10Derived |
| Contrast | ||
| Dynamic contrast | 1,800:1 | 3,000,000:1 |
| Dynamic contrast method | — | Light-source dimming |
| Colour | ||
| Colour bit depth (per channel) | 8 bitDerived | 10 bit |
| Colour temperature presets | — | D93, D65 |
| Calibration | ||
| Picture mode memories | — | 2 |
| 3D | ||
| 3D | Yes | Yes |
| 3D formats | Frame sequential | + Frame packing, + Side-by-side, + Top-bottom, Frame sequential |
| Light source | ||
| Light source | Hybrid laser + LED | LED |
| Emitter | Laser + LED | 4-channel LED |
| Light-source life | 20,000 h | 30,000 h |
| Warm-up time | 5 s | — |
| Optics | ||
| Throw ratio | 1.32–1.93:1 | 1.37–1.64:1 |
| Image size | 35–300 in | 30–300 in |
| Projection offset | 83% | 79% |
| Zoom | Optical | Optical |
| Zoom ratio | 1.46×Derived | 1.2×Derived |
| Focal length | — | 19.16–23.02 mm |
| Aperture (f-number) | — | 1.6–1.75 |
| Focus | Manual | Manual |
| Autofocus | No | — |
| Vertical lens shift | — | None |
| Horizontal lens shift | — | None |
| Vertical keystone | 30° | 40° |
| Horizontal keystone | — | 40° |
| Auto keystone | Yes | — |
| Corner correction | — | 4-corner |
| Interchangeable lens | — | No |
| Inputs & control | ||
| HDMI inputs | HDMI | 2 × HDMI 1.4 (HDCP 1.4) |
| HDMI inputs (count) | 1Derived | 2Derived |
| Newest HDMI version | — | HDMI 1.4Derived |
| Other video inputs | VGA | VGA, + Composite |
| Max input resolution | 1600 × 1200 | 1080p |
| Audio inputs | 3.5 mm, + RCA | 3.5 mm |
| Control ports | RS-232 | RS-232 |
| Control-system drivers | Crestron | Crestron, + AMX |
| Horizontal scan | 31.5–91.1 kHz | 15–102 kHz |
| Vertical scan | 56–85 Hz | 23–120 Hz |
| Smart platform | ||
| Wi-Fi | NoneDerived | — |
| Ethernet | NoDerived | Yes |
| Audio | ||
| Speaker power | 5 W | 10 W |
| Speakers | 1Derived | 1 |
| Layout | Mono | Mono |
| Audio outputs | 3.5 mm | 3.5 mm |
| HDMI audio return | NoneDerived | NoneDerived |
| Physical & installation | ||
| Dimensions (W × D × H) | 311 × 244 × 84.1 mmDerived | 386 × 276 × 116 mm |
| Weight | 3,900 gDerived | 5,000 g |
| Colours | White | — |
| Orientations | Ceiling, Rear | + Table, Ceiling, Rear |
| Ceiling mount | 3 × M3, 7 mm deep | M4, 12.8–15.8 mm screws |
| Dust filter | — | None |
| Ingress protection | — | IP5X (light engine) |
| Sealed optical engine | — | Yes |
| Environment & power | ||
| Operating temperature | 5–35°CDerived | 0–40°C |
| Operating humidity | 20–80%RH | 10–90%RH |
| Altitude | 3,000 m · high-altitude mode | 3,000 m · high-altitude mode |
| Power draw | Max 180 W · Normal 180 W · Eco 145 W | 270 W |
| Standby | 0.12 W | Up to 0.5 W |
| Mains input | 100–240 V · 50/60 Hz | 100–240 V · 50/60 Hz |
| Noise | ||
| Fan noise | — | Normal 31 dB(A) · Eco 25 dB(A) |
| Safety & compliance | ||
| Risk group | — | RG2 |
| Marks | — | CE, FCC |
| Support & ownership | ||
| Warranty | 3 yr (light source 3 yr or 6,000 h) | 3 yr |
| User manual | https://www.projectorcentral.com/pdf/projector_manual_8251.pdf | https://www.viewsonicglobal.com/public/products_download/user_guide/Projector/LS600W/LS600W_UG_ENG.pdf |
| In the box | ||
| In the box | Power cord, Remote, Quick start guide, VGA cable | Power cord, Remote, Quick start guide, VGA cable |
| Remote | — | IR |