ViewSonic LS740HD
MSRP$1,099

| Brand | ViewSonic · Installation Projectors |
| Type | Installation |
| Released | June 2023 |
| Resolution | 1080p |
| Imaging technology | DLP |
| Light source type | Laser (phosphor) |
| ANSI lumens | 5,000 lm |
| Throw ratio | 1.13–1.47:1 |
A 1080p single-chip DLP laser projector for meeting rooms, classrooms and fixed installs, rated at 5,000 ANSI lumens with a 1.3x manual zoom lens and images up to 300 inches. It has two HDMI 1.4 inputs, RS-232 control, a 15 W mono speaker, DLP-Link 3D and no network or wireless connectivity.
Data sheet
Picture
| Imaging technology | DLP | |
| Technology brand | DLP | |
| Number of imaging devices | 1 | |
| Chip / panel diagonal | 0.65 in | |
| Native aspect ratio | 16:9 | |
| Native resolution | 1920 × 1080 | |
| Dynamic contrast | 3,000,000:1 | |
| Bit depth / 'number of colours' | 30 bit | |
| Colour management system | 6-axis | |
| Max refresh rate | 1280×720: 120 Hz | |
| 3D support | Yes | |
| 3D sync method | DLP-Link | |
| 3D formats | Frame sequential, Frame packing, Side-by-side, Top-bottom |
Optics
| Throw ratio | 1.13–1.47:1 | |
| Projection distance table | 30″: 0.75–0.98 m · 40″: 1–1.3 m · 50″: 1.25–1.63 m · 60″: 1.5–1.95 m · 70″: 1.75–2.28 m · 80″: 2–2.6 m · 90″: 2.25–2.93 m · 100″: 2.5–3.25 m · 110″: 2.75–3.58 m · 120″: 3–3.91 m · 130″: 3.25–4.23 m · 140″: 3.5–4.56 m · 150″: 3.75–4.88 m · 200″: 5–6.51 m · 250″: 6.25–8.14 m · 300″: 7.51–9.76 m | |
| Zoom type | Optical | |
| Zoom ratio | 1.3× | |
| Focus | Manual | |
| Fixed offset | 132% | |
| Focal length | 16.9–21.61 mm | |
| F-number | 2.43–2.78 | |
| Image size range | 30–300 in | |
| Vertical keystone | -30–30° | |
| Horizontal keystone | -30–30° | |
| Corner / warp correction | 4pt |
Light source
| Light source type | Laser (phosphor) | |
| Light source detail | Laser phosphor | |
| Light source life | Normal: 20,000 h · Eco: 30,000 h | |
| Light-source dimming | Dynamic frame | |
| ANSI lumens | 5,000 lm ANSI | ANSI |
| Claimed brightness (non-standard) | 5,500 | |
| Claimed brightness unit | Peak lumens | |
| Brightness by mode | Bright: 4,783 lm · Presentation: 3,861 lm · Cinema: 3,476 lm · Gaming: 3,328 lm · User: 3,985 lmMeasured ProjectorCentral ANSI-lumen measurements at full power (Standard); Eco-mode figures were 4,506 / 3,385 / 3,272 / 3,159 / 3,453 in the same order. | ProjectorCentral ANSI-lumen measurements at full power (Standard); Eco-mode figures were 4,506 / 3,385 / 3,272 / 3,159 / 3,453 in the same order. |
Audio
| Speaker power | 15 W | |
| Speaker count | 1 | |
| Audio channels | Mono | |
| Audio outputs | 3.5 mm |
Inputs, control & connectivity
| Max input signal | 1920 × 1200 | |
| HDMI port count | 2 | |
| HDMI ports (feature-level) | HDMI 1: HDMI 1.4, HDCP 1.4; HDMI 2: HDMI 1.4, HDCP 1.4 | |
| Horizontal scan frequency | 15–102 kHz | |
| Vertical scan frequency | 24–120 Hz | |
| RS-232 | Yes | |
| LAN control | No | |
| Wi-Fi | None | |
| Ethernet | No |
Environment & power
| Operating temperature | 0–40°C | |
| Operating humidity | 10–80%RH | |
| Altitude / high-altitude mode | 3,660 m | |
| High-altitude mode | Yes | |
| Operating orientations | Table, Ceiling, Rear, Portrait, 360° | |
| Rated voltage | 100–240 V | |
| Rated frequency | 50–60 Hz | |
| Power consumption by mode | Typical: 210 W | |
| Standby power | 0.5 W | |
| Power supply | External brick | |
| Fan noise (sound pressure) | Normal: 30 dB(A) · Eco: 24 dB(A) |
Physical & installation
| Width | 286 mm | |
| Depth | 216 mm | |
| Height | 129 mm | |
| Weight | 3 kg | |
| Ingress protection | IP6X (sealed light engine only) | |
| Exhaust / intake direction | Side | |
| Mount hole pattern | Thread: M4 · Max screw length mm: 8 · Holes: 3 · Hole spacing mm: 55–82.3 | |
| Sealed optical engine | Yes |
Support & ownership
| Warranty | 🇺🇸 US 3 yr The manual says heavy use (over 14 hours average daily) cuts cover to 1 year for parts and labor and 90 days for the light source in the Americas and Europe. | |
| Light-source warranty | 1 year (original lamp/light source, Americas); 90 days under heavy usage over 14 hours a day | |
| User manual | https://www.viewsonicglobal.com/public/products_download/user_guide/projector/LS740W_LS740HD/LS740W_LS740HD_UG_ENG.pdf | |
| Photobiological risk group | RG2 | |
| Hazard distance | 1 m | |
| Laser product class | Class 1 | |
| Safety & market certifications | FCC, CE |
In the box
| Box contents | Projector, Remote, Batteries, Quick start guide, Power cord, Power adapter | |
| Remote type | IR |
Tools
- Throw calculator — How far from the screen the LS740HD needs to sit for a given image size, set to its 1.13–1.47:1 lens.
- Download spec as CSV — Every value on this data sheet with its unit and source, one row per spec.
- Download spec as JSON — The same data from the open data API, with variants and identifiers.
Variants & identifiers
Use these to confirm a listing is this exact model. Any of them works at /p/{code}.
| Variant | Region | Type | Code |
|---|---|---|---|
| Standard | 🇺🇸 US | ASIN | B0CDG3JKQP |
| MPN | LS740HD | ||
| All variants | All regions | Model number | VS19579 |
Reviews
| Date | Title | Publication |
|---|---|---|
| February 20, 2024 | ViewSonic LS740HD Projector Review | ProjectorCentral |




