1080P UST Projector


  • TouchBeam finger-touch interactive
  • Bright projection – 3500 ANSI lumens
  • Full HD 1080p resolution, 2x HDMI input and 16W audio
  • Crestron RoomView® – RJ45 control and monitoring

1080P interactive ultra short throw projector for business and education

The Optoma EH319USTi is a full HD 1080p ultra short throw projector. The EH319USTi is Optoma’s feature-packed next-generation ultra short throw projector for business and education users who demand bright 1080p projection fused with the latest and greatest interactive technology.

The EH319USTi sports an impressive ultra-bright 3500 lumens, 18,000:1 contrast ratio, powerful 16-Watt speaker and amazing 6500-hour lamp life. The EH319USTi’s powerful throw ratio of 0.25 allows a 10-inch image from a throw distance of only 22 inches.

The EH319USTi’s best-in-class TouchBEAM interactive technology is Windows 8.1 and Windows 10 compliant with Full Windows Touch Support with 10 touch points. Whether participants are engaged using the Stylus (use not required) or their fingers, the EH319USTi enables multiple participants to engage simultaneously with the presenter for the ultimate presentation experience.

Ultra Short Throw

Ultra short throw projection enables closer placement to the wall with reduced shadows for easy presenting. The placement makes it perfect for interactive applications and education environments, too.

TouchBeam Interactive Technology

Optoma TouchBeam interactive technology enables collaboration with several people on a projected screen using the touch of their fingers. Multiple touch points provide a natural and intuitive way of interacting with digital content and perfect for businesses and education. Users can easily draw, annotate, zoom, rotate images and take control of a computer without a mouse or keyboard.

High Contrast

Add more depth to your image with a high-contrast projector. With brighter whites and ultra-rich blacks, images come alive and text is crisp and clear.

Full 3D

Display true 3D content from almost any 3D source, including 3D Blu-ray Disc™ players, 3D broadcasting, and the latest-generation game consoles. Support for 144Hz rapid-refresh rate provides ultra-smooth flicker-free images. DLP Link 3D glasses required.


Specially designed lamp modes reduce power consumption by up to 70%. Each mode also improves lamp life, which lowers the total cost of ownership and reduces maintenance.

Quick Resume

This feature allows the projector to be instantly powered on again within 100 seconds of turning it off.

Auto Power Off

To help save energy, this feature automatically turns off the projector after a set period of time, if it is not being used.

AV Mute

When enabled via remote control or network management, the projector suspends (dims) video output to conserve energy.

Long Lamp Life

Reduce the number of lamp changes with long lamp life.

Remote Mouse

Keep your audience’s attention focused on the right things using the simple, yet powerful remote with USB mouse control.

Full HD 1080p

1080p (1920×1080) resolution renders sharp and detailed images from HD content without downscaling or compression, which is perfect for movies, TV shows and gaming.

Amazing Color

Our projectors are capable of reproducing the Rec.709 color gamut, the international HDTV standard to guarantee accurate reproduction of cinematic color exactly as the director intended.

Wireless Presenting (optional extra)

Making presentations couldn’t be easier using the optional wireless features of the WPS Wireless Adapter (sold separately) – you can connect and display presentations wirelessly from a laptop, PC or mobile device.

Additional information

Aspect Ratio16:9
Audio16 Watt Speaker
Brightness3,500 lumens
Color WheelBright wheel 6 segment RGBCYW (standard); Rich Color wheel 6 segment RGBCYM (optional)
Compatible Aspect Ratio16:9 Native, 4:3 Compatible
Connections2xHDMI v1.4a, 2xVGA (YPbPr/RGB), Composite, 2xAudio-In (3.5mm), Audio-Out (3.5mm), VGA-Out (Shared with VGA2), RJ-45, RS-232C, USB remote mouse/service, 12V trigger, Mic-In, USB-A Power, 3D-Sync
Contrast Ratio18,000:1
Control UnitRS-232C, RJ-45
Display TechnologySingle 0.65″ DC3 DMD DLP™ Technology by Texas Instruments
Displayable Colors1.07 billion
Image Size50″-500″
Inputs2xHDMI v1.4a, 2xVGA (YPbPr/RGB), S-Video, Composite, 4xAudio In (RCA/3.5mm), USB-A (Power), USB-B (Service), Mic-In
Keystone Correction± 40° Vertical
Light Source Life6500/5000/5000/3000 – ECO+/Dynamic/ECO/Bright
Lens ShiftNone
Maximum ResolutionWUXGA (1920 x 1200)
Native ResolutionFull HD 1080p (1920 x 1080)
Noise Level28dB
Offset118% (+/- 5% variance)
Operating TemperatureSea Level to 10,000 feet (@73°F); must manually switch to high-altitude mode at 5,000 feet & above
OutputsVGA out, audio out (3.5mm), +12v trigger
Power Consumption320W (Bright mode), 260W (Eco mode)
Power SupplyAC input 100-240V, 50-60Hz, auto-switching
Projection Distance17.7″ – 22.1″
Projection LensF/2.4; f=3.72mm, Fixed Zoom
Projection Screen Size80″ – 100″
Remote ControlIR remote control
Throw Ratio0.25:1 (distance/width), ±5% Variance
Zoom TypeFixed
3D CompatibilitySide-by-Side: 1080i50 / 60, 720p50 / 60, Frame-pack: 1080p24, 720p50 / 60, Over-Under: 1080p24, 720p50 / 60
Computer CompatibilityWUXGA, UXGA, SXGA, WXGA, HD, XGA, SVGA,VGA, Mac
Horizontal Scan Rate15.3 – 91.1kHz
Optional WirelessYes
Vertical Scan Rate24 – 85Hz (120Hz for 3D)
Video CompatiblityPAL (B, D, G, H, I, M, N, 576i/p), NTSC (M, 4.43/3.58 MHz, 480i/p), SECAM (B, D, G, K, K1, L) HD (1080i, 720p)
Dimensions (W x H x D)15.15″ x 12.20″ x 3.89″
SecuritySecurity bar, Kensington lock, password protection, keypad lock
Weight10.25 lbs
UPC796435 44 016 9
Warranty Info3-year Optoma Express Warranty, 1-year on lamp
  • EH319USTi Datasheet

  • EH319USTi User Manual

  • EH319USTi Installation Guide

  • EH319USTi_2_300dpi-Datasheet-img

  • EH319USTi_1_300dpi-Datasheet-img

  • EH319USTi_9_100dpi

  • EH319USTi_3_100dpi

  • EH319USTi_4_100dpi

  • EH319USTi_6_100dpi

  • EH319USTi_8_100dpi

  • TouchBeam Interactive User Manual

  • LightCurtainTouch B-Windows

  • LightCurtainTouch Mac software - prior to Mojave 10.14.6

  • LightCurtainTouchMac Software Mojave 10.14.6 and after

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