5,000 ANSI Lumens 1080p Laser Installation Projector

  • 2nd generation laser phosphor technology with up to 30,000 hours lifespan
  • 5,000 ANSI Lumens offering bright images in any environment
  • Up to 300" ultra large screen with lower cost-per-inch
  • Installation flexibility: V lens shift, 1.6x optical zoom, H/V keystone
  • Versatile application: 360° projection, portrait mode
  • HDMI 2.0b for accessibility of 4K contents with HDR/HLG support
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The Luminous Superior series is ViewSonic’s lamp-free high brightness lineup for both commercial and educational spaces. The LS751HD adopts industry-leading 2nd generation laser phosphor technology and delivers 5,000 ANSI Lumens while eliminating the use of toxic mercury, reducing the cost and effort of frequent lamp replacement and lowering the total cost of ownership. The lamp-free light source offers enhanced sustainability for a greener environment while delivering up to 300” large images with 1080p high resolution and vivid colors no matter if you're in a boardroom, lecture hall, or public space. The projector boasts high installation flexibility with vertical lens shift, 1.6x optical zoom, easy image adjustment with H/V keystone and 4 corner correction, and diverse applications with 360° projection and portrait mode. The LS751HD also comes with HDMI 2.0b, ensuring access to original 4K quality content with HDR/HLG supported.

2nd Generation Laser Phosphor Technology

The LS751HD adopts the 2nd generation laser phosphor technology. In addition to inheriting excellent color performance, lamp-free design, and instant power on/off 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.
Up to 30,000-hour Lifespan
2nd Generation Laser Phosphor Technology 1

High Brightness for Large Venues

Thanks to 5,000 ANSI Lumens brightness, you're guaranteed clear visuals of vibrancy with 1080p Full HD resolution which are perfectly suitable for large spaces with a lot of ambient light.
5,000 ANSI Lumens
High Brightness for Large Venues 1 High Brightness for Large Venues 2

Ultra-Large Screen with Lower Cost-per-inch

The projector allows for an up-to-300” image size, which is much larger and easier to install than commercial displays.
Up to 300”
Ultra-Large Screen with Lower Cost-per-inch 1

V Lens Shift for Flexible Installation

The tool-free, lens shift control knobs make adjusting the projection lens up and down easy. Welcome flexible installation options with an adjustable range (V: 0%, -18%) and fewer placement restrictions.
V Lens Shift for Flexible Installation 1

Adaptable to Any Environment with Optical Zoom

Equipped with a 1.6x optical zoom lens, the projector allows users to choose the most ideal set-up location within a range, getting the desired image size without needing to change the existing interior design. ​
Adaptable to Any Environment with Optical Zoom 1

Lighter Weight and Compact Size​

The LS751HD is 24% lighter of weight and 34% smaller in size compared to its predecessor, which reduces the cost of transportation and enhances the ease of installation.
Lighter Weight and Compact Size​ 1

Effortless 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.
H/V Keystone, 4 Corner Adjustment
Effortless Image Adjustment 1

Versatile Application

The projector can freely rotate at any angle vertically allowing projection onto ceilings, walls, or floors. The portrait mode enables users to turn the projector 90 degrees to increase the vertical field of view and add more applications for projection mapping, staging, and advertising.​
360° Projection, 90° Portrait Mode
Versatile Application 1

HDMI 2.0b Supporting 4K/HDR/HLG

The projector comes with an HDMI 2.0b / HDCP 2.2 port, providing you access to original 4K quality content with HDR/HLG supported at a 60Hz frame rate from external devices (e.g. Roku stick, 4K Blu-ray player), producing the brightest whites, deepest blacks, and more detailed visuals.
HDMI 2.0b Supporting 4K/HDR/HLG 1

Present the Best with Vibrant Colors

Impress any audience with ViewSonic’s exclusive color technology, elevating your presentation with a true-to-life color experience.
Present the Best with Vibrant Colors 1

Centraliased Control for Management Efficiency

The LS751HD is compatible with Crestron, AMX, PJ Link, ATEN and Extron systems and comes equipped with ViewSonic vController, an easy-to-use network management tool.
Comprehensive LAN Control
Centralized Control for Management Efficiency 1

Non-stop 24/7 Operation

The advanced cooling design enables 24/7 operation without degradation of image quality or work performance, making the projector ideal for applications that require continuous use.
Non-stop 24/7 Operation 1

A Simpler Way to Update Projector Software

Skip trips to the service center by keeping software up to date easily via USB cable connection with your laptop.
Learn more:
*The latest projector software update can be found in the download section at the bottom of the page when available.
A Simpler Way to Update Projector Software 1

USB Type A Power Supply

The built-in 5V/1.5A USB output conveniently delivers power to HDMI wireless dongles, eliminating the need for separate power adapters when streaming multimedia content.
USB Type A Power Supply 1

Dimension & I/O Ports

  1. Front IR
  2. Lens
  3. HDMI 1.4/HDCP 1.4
  4. HDMI 2.0/HDCP 2.2
  5. USB-A (5V/1.5A, Service)
  6. Audio Out
  7. RJ45 (LAN Control)
  8. RS232
  9. Lens Shift Control Knob
  10. Zoom Ring
  11. Focus Ring
  12. LED Indicator
  13. Keypad
  14. IR



  • Specification
    Projection System: 0.65" 1080p
    Native Resolution: 1920x1080
    Brightness: 5000 (ANSI Lumens)
    Contrast Ratio: 3000000:1
    Display Color: 1.07 Billion Colors
    Light Source Type: Laser Phosphor
    Light Source Life (hours) with Normal Mode: 20000
    Light Source Life (hours) with SuperEco Mode: 30000 (Eco)
    Lens: F=2.5-3.26, f=20.911-32.62mm
    Projection Offset: 136%+/-5%
    Throw Ratio: 1.4~2.24
    Optical Zoom: 1.6X
    Digital Zoom: 0.8x-2.0x
    Image Size: 30"-300"
    Throw Distance: 0.93-14.88m
    Keystone: H:+/-30° , V:+/-30°
    Lens Shift V. Range: +0%, -18%
    Audible Noise (Normal): 32dB
    Audible Noise (Eco): 29dB
    Input Lag: 49.9ms
    Resolution Support: VGA(640 x 480) to 4K UHD(3840 x 2160)
    HDTV Compatibility: 480i, 480p, 576i, 576p, 720p, 1080i, 1080p, 4K UHD
    Horizontal Frequency: 15K-102KHz
    Vertical Scan Rate: 23-120Hz
  • Input
    HDMI: 2
    (HDMI 2.0/ HDCP 2.2
    HDMI 1.4/ HDCP 1.4)
  • Output
    Audio-out (3.5mm): 1
    Speaker: 15W x2
    USB Type A (Power): 1 (5V/1.5A)