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For recommendations for choosing your screen size please see our Screen size advice page.
To make sure this projector is the right fit for you room
The ViewSonic LS750WU is a 5,000 ANSI Lumens WUXGA laser projector for installation. Adopting the 2nd generation laser phosphor technology, it offers high and consistent brightness for a reliable light source life of 20,000 hours. 1.3x optical zoom and 360° projection make for satisfying flexibility. In addition, the compact size and throw ratio match for a hassle-free equipment upgrade, ensuring the desired cost-effectiveness. The LS750WU serves as a reliable projector to ensure your installations are smooth and sound, especially ideal for medium-to-large meeting/training rooms and public displays.
Packed with 5,000 ANSI Lumens, it is guaranteed to produce high levels of brightness suitable for large spaces with a lot of ambient light.
Ultra-high Contrast Ratio
Boasting a 3,000,000:1 ultra-high contrast ratio, even the finest shades of color are enhanced – a key characteristic for delivering razor-sharp images.
2nd Generation Laser Phosphor Technology
The ViewSonic new laser projector adopts the 2nd generation laser phosphor technology. In addition to inheriting excellent color performance, lamp-free design, and instant on/off switch from the previous generation, technology on the new generation improves around 20% of brightness, better heat-resistance, and a smaller module design, making the images consistent in ambient settings as well as increased reliability with a more compact size for extended use in various scenarios.
Laser technology offers a lifespan up to 20,000 hours (4 hours per day for more than 13 years), delivering reliable long-term performance with no degradation in brightness over time so that your installations are consistently vibrant.
Adaptable to any environment
Equipped with a 1.3x optical zoom lens, the projector provides mounting flexibility with a wider throw distance range.
360° Creative Applications
The projector can freely rotate at any angle vertically to aid with creative applications, allowing projection onto ceilings, walls, or angled signage.
Lighter Weight and Compact Size
It is almost half the weight and 35% smaller in size when compared with its predecessor, which reduces the cost of transportation and enhances the ease of installation.
Matching throw ratio for a hassle-free upgrade
With a throw ratio matching mainstream WUXGA installation conditions, the projector can be fitted to an existing ceiling mount and project an image within a pre-installed screen, perfect for a hassle-free equipment upgrade.
Non-stop 24/7 Operation
With an advanced cooling design, it enables 24/7 operation without degradation of quality or performance, making the projector ideal for applications that require continuous projection.
This projector comes equipped with Control 4, Crestron, AMX, Extron and ViewSonic vController, an easy-to-use network management tool.
*The Control 4 driver will be built into the device in advance and get certification once it has finished the verification process.
A Simpler Way to Update Projector Software
ViewSonic Projector Software Update is available online and gives you the ability to keep your projector firmware up to date easily and conveniently with your laptop and USB cable connection; no need to take your projector into a service center for software updates.
*The latest projector software update can be found in the download section at the bottom of the page when available.
Easy Image Adjustment
Horizontal and Vertical Keystone correction along with 4 corner adjustment features eliminate crooked or distorted images for a perfectly proportioned picture every time.
Amazing Color Accuracy
ViewSonic’s proprietary SuperColor Technology displays a wide color range, ensuring that users enjoy a true-to-life color performance in both bright and dark environments without sacrificing image quality.
Sealed Optical Engine with IP5X
The advanced sealed optical engine prevents dust and moisture from entering the projector and affecting the thermal system to ensure that the image quality and long lifespan are maintained.
Reduced Energy Consumption
When no signal has been detected, the projector will automatically power off to conserve energy and therefore prolong its lifespan.
Power Saving Mode allows users to extend the projector’s lifespan and minimize energy consumption. When in Power Saving Mode, the projector will automatically switch into SuperEco Mode whenever there is no signal input detected.
USB for display and control
USB Type A for power
USB for PC Less Presentation
RJ45 For Control/Monitoring
RS232 For Control
Dimensions (W x H x D) in cm
40.5 x 14.5 x 30.5
Fan Noise (db)
Fan Noise in Eco Mode (db)
Audio Output (Watts)
Lamp Life (Hours)
Lamp Life Eco Mode (Hours)