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Home Page > Product > Projectors > Short Throw > ZH351ST

ZH351ST short throw compact high brightness business projector

ZH351ST

ZH351ST: Short Throw Full HD 1080p Laser Projector for Education & Business

The ZH351ST is a bright Full HD 1080p short throw laser projector built for education, corporate, training, and other professional environments where image clarity, installation flexibility, and low maintenance all matter.

With 3,600 lumens* and a 0.496:1 short throw lens, the ZH351ST creates a large 100 inch image from less than 4 feet away, ideal for areas where space is limited and the projector needs to stay close to the screen.
*Brightness measured according to ISO 21118
  • Laser Reliability: Optoma's DuraCore laser light source delivers 3,600 lumens and up to 30,000 hours of maintenance-free operation
  • Full HD 1080p Resolution: Read crisp text and watch vibrant videos from anywhere in the room
  • Optoma Smart Control App: Puts power, image settings, geometry correction, and power management right on your phone
  • Easy to Set Up: Dual HDMI 2.0 inputs and a built-in 15W speaker
ZH351ST
Features Specs Downloads

Brighter, Greener, and Longer-Lasting Projection

Future-Proofed. Sustainable. Cost-Effective.

Optoma’s new generation of lamp-free laser projectors is designed to deliver exceptional visual quality, simplified setup and control, and long-term value across business, education, or simulation environments.
Over-the-air Update
Compact Size
Low Maintenance
Eco-Friendly DuraCore Laser
High Brightness for Ambient Light
Optoma Smart Control
Optoma Management Suite
Short Throw
IP6X Certified
Long Lifespan

Clear, Shadow-Free Projection for Ambient Light Environments

With 3,600 lumens of high brightness, this projector delivers Full HD visuals even in ambient light. Its short-throw design reduces shadows even in limited spaces, making it ideal for meetings, classrooms, and commercial environments.
3500lm high brightness for ambient light environment

Reliable for Long-Term Use with DuraCore Laser

Optoma DuraCore Laser technology delivers consistent brightness, vivid colors, and up to 30,000 hours of lamp-free operation. With instant on/off functionality, reduced power consumption, and no lamp replacements, it offers a lower total cost of ownership and long-term, reliable performance—ideal for business and education environments.
DuraCore laser technology for energy efficient, low maintenance operation. No lamp replacement.

Tailored Display Modes for Business and Education

Tailored display modes for business and education. Optoma projectors deliver long-lasting image precision with DLP technology, ensuring accurate, vibrant colors that bring every detail to life.
1080p vivid images for presentations

Smart Control at Your Fingertips

Optoma Smart Control app streamlines device management and intelligently adjusts screen alignment across Optoma displays, all from your mobile device. From setup to daily operation, it acts as an intelligent remote, enabling control of key functions such as power on/off, input source switching, status alerts, and more, helping users save time and deliver a better viewing experience in any space.
*Supports both iOS and Android OS.
Learn more about the Smart Control App
*The product shown in the image below is for illustration purposes only.

Instant auto-alignment with Smart Fit

Smart Fit uses your smartphone’s camera to detect the screen frame and automatically correct the image alignment, significantly reducing installation effort.

Smart Move keeps your screen uninterrupted

Smart Move automatically detects obstacles using the camera and seamlessly repositions the projection to a clear, unobstructed area, ensuring continuous visibility.

H/V Keystone correction

Keystone correction adjusts trapezoid-shaped images caused by angled projection. An intuitive slide dial enables quick and smooth adjustment of vertical and horizontal alignment.

Four-corner adjustment

Correct image distortion effortlessly with four-corner adjustment. Just tap and drag any corner to reshape the frame in real time.

Manage, Monitor, and Diagnose—All from One Place

Optoma Management Suite (OMS™) is an intuitive (cloud-based or via local networking) display management solution, designed to streamline operations by monitoring, diagnosing and controlling audio visual displays from anywhere via a single plarform. With an easy-to-use interface and 24/7 real-time monitoring, OMS enables users to check the status of display devices and make configurations to optimise performance.
Optoma Solution Suite for centralize IT control and management
Optoma Solution Suite can monitor, diagnose, and control--all from one place

Aways Stay Updated

This product supports over-the-air (OTA) firmware updates, keeping your projector up to date without the need for USB drives. Updates are delivered automatically, and users simply click Download to install them. Updates may include new features, performance enhancements, and security improvements. This helps reduce IT workload and ensures reliable operation.
OTA -seamless over-the-air update reduce IT workload

Flexible Setup for Any Spaces

With ±15° keystone correction, and support for 360-degree or portrait mode projection, this projector offers flexible installation in any space.

  • H/V keystone correction

  • Four-corner adjustment

Specification
Display
Technology
DLP®
Resolution
1080p Full HD (1920x1080)
Brightness
3,600 Lumens
Contrast ratio
300,000:1
Contrast ratio (Dynamic)
2,000,000:1
Native aspect ratio
16:9
Aspect ratio - compatible
4:3, 16:9, 16:10
Keystone correction - horizontal
+/-15°
Keystone correction - vertical
+/-15°
Horizontal scan rate
15~135 KHz
Vertical scan rate
24~120 Hz
Uniformity
75%
Screen size
30"~300"
Light source type
Laser
Light source life
30,000 hours (Eco mode)
Throw ratio
0.496
Projection distance
12.99" - 129.92"
Zoom
n/a
Zoom type
n/a
Focal length
.3"
Native offset
116% +/-5%
Lens shift
n/a
Connections- Inputs
2 x HDMI 2.0, 1 x VGA In, 1 x Audio In 3.5mm
Connections - Outputs
2 x USB-A, 1 x Audio Out 3.5mm
1 x RJ45, 1 x RS232,
Connections - Control
1 x 3D sync, 1 x 12V trigger
Noise level (min)
29 dB (Eco Mode)
Noise level (max)
31 dB (Bright Mode)
PC compatibility
VGA,SVGA,XGA,720p,WXGA,SXGA,SXGA+,UXGA,1080p,WUXGA
2D compatibility
NTSC,PAL,SECAM,SDTV,HDTV,UHD
3D compatibility
Full 3D
Security
Security bar, Kensington Lock, Password protected interface
OSD / display languages
27 languages: Arabic, Czech, Danish, Dutch, English, Farsi, Finnish, French, German, Greek, Hungarian, Indonesian, Italian, Japanese, Korean, Norwegian, Polish, Portuguese, Romanian, Russian, Simplified Chinese, Spanish, Swedish, Thai, Traditional Chinese, Turkish, Vietnamese
24/7 operation
Yes
360° operation
Yes
Operating conditions
Max Temperature(operating): 0 ~ 40°C; Tolerance +/- 2°C,
Max Altitude(operating): 10,000 ft., for 0°C~30°C,
Max humidity(operating): 80% RH, non-condensing
Remote control
Business remote control
Speaker count & Watts per speaker
1 x 15W
In the box
AC power cord
Remote control
2 x AAA batteries
Quick start user manual
BT Dongle
LAN control
Yes
24/7 operation
Yes
360° operation
Yes
Power supply
AC 100 ~ 240 V, 50 ~ 60 Hz
Power consumption (standby)
≤0.5 W
Power consumption (eco mode)
118 W
Power consumption (bright mode)
160 W
Dimensions (W x D x H)
10.8 x 8.5 x 4.5 inches
Gross weight
9.9 lbs
Net weight
6.25 lbs
Optoma Management Suite
Yes
Optoma Smart Control App
Yes
Downloads
Datasheets
Manuals
Limited Warranty
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