Exceptional 4K viewing experience
This projector delivers up to 8.3 million pixels in 4K UHD (3,840 x 2,160) resolution using advanced DLP technology, producing exceptionally sharp images where even small text and detailed graphs remain clear and easy to read.
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.
Immersive Golf Simulation
Powered by Optoma
Designed for home and commercial golf simulators, Optoma projectors deliver bright, accurate visuals, real time response, and flexible installation for an immersive golf sim experience.
Golf Sim. Color Mode for Realistic Courses
The dedicated Golf Sim Mode enhances color tuning to bring brighter blue skies, deeper shadows, and natural green grass tones-making every course look vivid and true to life.
Short-Throw Design That Eliminate Shadows
Brilliant Laser Brightness for Indoor Golf
A Perfect Fit for Any Impact Screen
Dedicated Picture Mode for Golf Simulation Software
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.
Smart Screen Alignment for Quick Installation
Smart FitSmart MoveKeystoneFour-corner
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.
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.
Always 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.
- DLP offers a brilliant, colorful and clear visual with deep blacks
- Enjoy your favorite movies at their best in 3D
- Delivers powerful 5000 lm brightness for clear visuals
- 4K UHD graphic mode for reliable graphic design flow to programme heavy-duty tasks
- With a contrast ratio of 300,000:1, you can see brilliant details over the screen with sharp clarity
- HDMI interface for top notch video and audio
- Enjoy PC-free projection with USB port
| Brand | |
|---|---|
| Brand | Optoma Technology |
| GPU / Graphics | |
|---|---|
| Graphic Mode | 4K UHD |
| Screen / Display | |
|---|---|
| Contrast Ratio | 000:1 , 300 |
| Minimum Diagonal Image Size | 30" |
| Maximum Diagonal Image Size | 25 ft |
| Projection Method | Front |
| 3D Type | 3D |
| Maximum Projection Distance | 32.81 ft |
| Minimum Projection Distance | 39.37" |
| Number of Lamps | 1 |
| Lamp Type | Laser |
| Native Aspect Ratio | 16:9 |
| Standard Mode Brightness | 5000 lm |
| Throw Ratio | 0.79 to 1 |
| Throw Type | Short Throw |
| Native Resolution | 3840 x 2160 |
| Economy Mode Lamp Life | 30000 Hour |
| Power & Battery | |
|---|---|
| Voltage Frequency | 60 Hz |
| Standby Power Consumption | 500 mW |
| Operating Power Consumption | 147 W |
| USB Ports | |
|---|---|
| USB | Yes |
| HDMI Ports | |
|---|---|
| HDMI | Yes |
| Ethernet Port | |
|---|---|
| Network (RJ-45) | Yes |
| Camera / Webcam | |
|---|---|
| Maximum Focal Length | 11.60 mm |
| Audio | |
|---|---|
| Speaker Included | Yes |
| Size / Dimensions | |
|---|---|
| Form Factor | Wall Mountable |
| Appearance | |
|---|---|
| Color | Black |
| General Features | |
|---|---|
| Video Signal Standard | HDTV |
| Video Signal Format | SECAM |
| Manufacturer | Optoma Technology |
| Printer/Scanner/Fax Specs | |
|---|---|
| Output Scan Format | 2160p |
| Packaging & Origin | |
|---|---|
| Batteries Included | Yes |
| Brand | Optoma Technology |
| UPC/GTIN | 796435448899 |
| MPN | ZK521ST-B |
| Unit Count | 1 Units |
| Warranty | 3 Year |
| Return Policy | This product is eligible for 30-day returns subject to a restocking fee. See our return policy for details. |













