ViewSonic LS850WU vs ViewSonic LS900WU
ViewSonic LS850WU is $961 cheaper and lighter. ViewSonic LS900WU is brighter.
| Key differences | ||
|---|---|---|
| White light outputANSI | ||
| White light outputANSI | 5,000 lm ANSI | 6,000 lm ANSI |
| Throw ratio | ||
| Throw ratio | 1.36–2.18:1 | 1.2–1.9:1 |
| MSRP | ||
| MSRP | $2,992 | $3,953 |
| Room fit | ||
| Distance to screen | ||
| Distance to screen | 2.9–4.7 m | 2.6–4.1 m |
| Picture | ||
| White light outputANSI | ||
| White light outputANSI | 5,000 lm ANSI | 6,000 lm ANSI |
| Imaging technology | ||
| Imaging technology | DLP | DLP |
| Native resolution | ||
| Native resolution | WUXGA (1920 × 1200) | WUXGA (1920 × 1200) |
| Native aspect | ||
| Native aspect | 16:10Derived | 16:10Derived |
| Dynamic contrast | ||
| Dynamic contrast | 3,000,000:1 | 100,000:1 |
| Colour bit depth (per channel) | ||
| Colour bit depth (per channel) | 10 bit | 10 bit |
| 3D | ||
| 3D | Yes | Yes |
| 3D formats | ||
| 3D formats | Side-by-side, Top-bottom, Frame sequential | Side-by-side, Top-bottom, Frame sequential |
| Light source | ||
| Light source | ||
| Light source | Laser (phosphor) | Laser (phosphor) |
| Emitter | ||
| Emitter | Blue laser + phosphor | Blue laser + phosphor |
| Light-source life | ||
| Light-source life | 20,000 h normal · 20,000 h dynamic | 20,000 h normal · 30,000 h dynamic |
| Optics | ||
| Throw ratio | ||
| Throw ratio | 1.36–2.18:1 | 1.2–1.9:1 |
| Image size | ||
| Image size | 30–300 in | 50–300 in |
| Zoom | ||
| Zoom | Optical | Optical |
| Zoom ratio | ||
| Zoom ratio | 1.6×Derived | 1.58×Derived |
| Focus | ||
| Focus | Manual | — |
| Vertical lens shift | ||
| Vertical lens shift | ±50% | -2.4–9.2% |
| Horizontal lens shift | ||
| Horizontal lens shift | ±23% | ±2.5% |
| Vertical keystone | ||
| Vertical keystone | 40° | 25° |
| Horizontal keystone | ||
| Horizontal keystone | 40° | 30° |
| Corner correction | ||
| Corner correction | 4-corner | 4-corner |
| Inputs & control | ||
| HDMI inputs | ||
| HDMI inputs | 2 × HDMI 1.4 | 3 × HDMI 1.4 |
| Other video inputs | ||
| Other video inputs | VGA, Composite, HDBaseT | VGA, Composite, HDBaseT |
| Max input resolution | ||
| Max input resolution | WUXGA | WUXGA |
| Audio inputs | ||
| Audio inputs | 3.5 mm, RCA | 3.5 mm, RCA |
| Control ports | ||
| Control ports | RS-232, 12 V trigger | RS-232 |
| Control-system drivers | ||
| Control-system drivers | Crestron, AMX | Crestron, AMX |
| Horizontal scan | ||
| Horizontal scan | 15–102 kHz | 15–102 kHz |
| Vertical scan | ||
| Vertical scan | 23–120 Hz | 23–120 Hz |
| Audio | ||
| Speaker power | ||
| Speaker power | 20 W | 10 W |
| Speakers | ||
| Speakers | 2 | 2 |
| Audio outputs | ||
| Audio outputs | 3.5 mm | 3.5 mm |
| HDMI audio return | ||
| HDMI audio return | NoneDerived | NoneDerived |
| Physical & installation | ||
| Dimensions (W × D × H) | ||
| Dimensions (W × D × H) | 404 × 305 × 145 mm | 360 × 440 × 161 mm |
| Weight | ||
| Weight | 6,400 g | 11,000 g |
| Orientations | ||
| Orientations | Table, Ceiling, Rear, Portrait, 360° | Portrait, 360° |
| Ceiling mount | ||
| Ceiling mount | M4, 12.8–15.8 mm screws | M4, screws ≤ 12 mm |
| Environment & power | ||
| Operating temperature | ||
| Operating temperature | 0–40°C | 0–40°C |
| Operating humidity | ||
| Operating humidity | 10–90%RH | 10–90%RH |
| Altitude | ||
| Altitude | 3,000 m | 3,000 m |
| Power draw | ||
| Power draw | 430 W | 430 W |
| Standby | ||
| Standby | Up to 0.5 W | Up to 0.5 W |
| Mains input | ||
| Mains input | 100–240 V · 50/60 Hz | 100–240 V · 50/60 Hz |
| Safety & support | ||
| Laser class | ||
| Laser class | Class 1 | Class 1 (US: Class 3R) |
| Risk group | ||
| Risk group | RG2 | RG2 |
| FDA laser notice | ||
| FDA laser notice | — | Notice 50 |
| Marks | ||
| Marks | FCC | FCC, UL |
| Warranty | ||
| Warranty | 5 yr or 20,000 h (light source 5 yr or 20,000 h) | 5 yr or 20,000 h (light source 5 yr or 20,000 h) |
| User manual | ||
| User manual | https://www.viewsonicglobal.com/public/products_download/user_guide/Projector/LS750WU_LS850WU_LS860WU/LS750WU_LS850WU_LS860WU_UG_ENG.pdf | https://www.viewsonicglobal.com/public/products_download/user_guide/Projector/LS900WU/LS900WU_UG_ENG.pdf |
| In the box | ||
| In the box | ||
| In the box | Power cord, Remote, Quick start guide, VGA cable | Power cord, Remote, Quick start guide, VGA cable |

