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Home Page > Product > Projectors > Business and Education > ZH451ST

ZH451ST

Compact 4,200lm Short Throw Full HD Laser Business Projector

The Optoma ZH451ST short throw projector delivers 4,200 lumens of brilliant Full HD 1080p visuals in a compact short-throw design, enabling large, shadow-free projections even in limited spaces. Engineered for 24/7 reliability, it offers a low-maintenance, energy-efficient laser solution with centralized IT management and smart control for corporate, education, or commercial uses.

● 4,200-lumen brightness –Clear projection for spaces with ambient light
● 30,000h laser life –DuraCore laser ensures long-term reliability and low TCO
● Sustainable design –50% recycled metal and PCR materials
● Optoma Management Suite (OMS) –Enables centralized IT monitoring and control across multiple networked devices

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
Flexible configuration
Optoma Management Suite
Short Throw
Immersive Golf
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Long Lifespan

Clear, Shadow-Free Projection for Ambient Light Environments

With 4,200 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.
4200lm 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
cover img

Immersive Golf Simulation

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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 ±30° 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

Designed for Sustainability

Aligned with Optoma’s Green Promise, this projector features an energy-efficient, mercury-free DuraCore laser light source. Built with over 50% recycled metal and PCR materials and packaged in 100% recyclable packaging, it is designed to reduce material waste and power consumption in support of sustainability.
eco-friendly design made with over 50% recycled material
Optoma eco-friendly projector design is made with 100% recyclable paper

Eco-friendly packaging

Eco-friendly packaging produced with FSC-certified paper and made with recycled and reusable materials.
Optoma eco-friendly projector design is made with 50 recycled material (PCR)

Sustainable materials

Use of environmentally, friendly materials for products chassis and during production
Specification
Display
Technology
DLP®
Resolution
1080p Full HD (1920x1080)
Brightness
4,200 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, Full, Squeeze, Native
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
1m~ 10m (mechanism travel)
Focal length
7.51mm
Native offset
116% +/-5%
Connections- Inputs
HDMI 2.0 x2
VGA In x1
Audio 3.5mm x1
Connections - Outputs
USB-A 2.0 x2
3D sync out x1
Audio 3.5mm x1

Connections - Control
RJ45 x1
RS232 x1
12V Trigger x1
Noise level (min)
29 dB(A)
Noise level (max)
31 dB(A)
PC compatibility
VGA,SVGA,XGA,720p,WXGA,SXGA,SXGA+,UXGA,1080p,WUXGA
2D compatibility
NTSC,PAL,SECAM,SDTV,HDTV,UHD
3D compatibility
Supports all HDMI 1.4a mandatory 3D formats (Frame pack, side-by-side, top-bottom) and up converts frame rate from 60Hz to 120Hz or 24Hz to 144Hz
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
Input lag
4K/ 60Hz: 16.7 ms
1080P/ 60Hz: 16.7 ms
1080P/ 120Hz: 8.6 ms
In the box
AC power cord
Remote control
Quick start user manual
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)
120 W@110VAC
118 W@220VAC
Power consumption (bright mode)
170 W @110VAC
168 W @220VAC
Dimensions (W x D x H)
W/o feet: 216 x 274 x 108.5mm (10.8 x 8.5 x 4.3 inches)
With feet: 216 x 274 x 114mm (10.8 x 8.5 x 4.5 inches)
Gross weight
4.5 kg / 9.9 lbs
Net weight
3.0 Kg / 6.6 lbs
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