Optoma ZH521ST Full HD short throw laser projector
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Standard delivery within 2–5 business days
The ZH521ST is one of Optoma's most compact and hassle-free Full HD 1080p DuraCore laser projectors to date. Designed for maintenance-free continuous operation, this 5300 ISO lumen projector delivers powerful image performance with flexible installation features and extensive connectivity options in a sleek, compact form factor, up to 34% smaller than previous Optoma models.¹
To support Optoma’s commitment to sustainability, the ZH521ST cuts power consumption by up to 45% compared to Optoma’s lamp-based projectors.² Energy-saving DuraCore laser technology ensures a long product lifespan of up to 30,000 hours without the need for additional lamps, requires minimal maintenance, and is mercury-free, further lowering its carbon footprint.
With Optoma Management Suite (OMSC)™ you can also remotely manage this projector and other compatible devices with ease. This powerful cloud-based solution offers effortless control, real-time monitoring, and scheduling, helping to reduce downtime, streamline operations, and cut operating costs.
This latest model is also compatible with Optoma's new Smart Control App* for Android and iOS, several features can be managed without the need for a PC. Power on and off, adjust the volume, modify and set display modes and make image adjustments remotely via your smart phone.
Enhanced for golf simulation, this projector features a purpose-built throw ratio and curated golf sim picture modes. For a more immersive and true-to-life playing experience, Optoma has worked closely with colour experts at GSPro to develop a dedicated GSPro mode.⁴
Geared for conference rooms, boardrooms, and other corporate spaces, the ZH521ST has a short throw lens meaning it can be positioned less than half a metre from any wall. For ultimate convenience it comes with RJ45 and RS232 connection for monitoring and controlling and a built-in speaker.
Amazing colours
Give powerful presentations and educational lessons with stunning colours. Optoma projectors provide reliable colour performance suitable for any content and environment. From accurate sRGB colours for lifelike images to vibrant punchy presentations. We have a display mode to specific meet your needs. Perfect for a range of graphic and video presentations.

Connect anytime, anywhere
Peace of mind
Businesses can have confidence in the ability of their IT managers to provide remote support with the Optoma Management Suite (OMS)™ solution. IT managers can easily monitor and diagnose issues related to any Optoma AV display, ensuring employees are not left without assistance. For an extra layer of readiness, companies can also set alerts and broadcast emergency announcements.

Golf Sim Picture Mode
Golf sim picture mode delivers true-to-life greens and blues and impressive detailing even with the lights on. Carefully created to provide optimum colour grading for golf simulation setups.
*Please ensure your projector is on the latest firmware for access to this new feature. For further assistance with this, please contact Optoma Customer Service.

Display/image
| Display technology |
DLP®
|
| Resolution |
1080p Full HD (1920x1080)
|
| ISO 21118 brightness |
5,300
|
| Contrast ratio |
3,000,000:1
|
| Native aspect ratio |
16:9
|
| Aspect ratio - compatible |
4:3,16:9,16:10
|
| Keystone correction - horizontal |
15°
|
| Keystone correction - vertical |
15°
|
| Displayable colours (millions) |
1073.4
|
| Horizontal scan rate |
15 ~ 135Khz
|
| Vertical scan rate |
24 ~ 120Hz
|
| Uniformity |
75%
|
| Screen size |
0.76m ~ 7.62m (30" ~ 300") diagonal
|
Lamp info
| Light source type |
Laser
|
| LASER life |
30,000 hours
|
Optical
| Throw ratio |
0.79:1
|
| Projection distance (m) |
0.525m - 5.25m
|
| Zoom type |
Fixed
|
| Focal length (mm) |
11.6
|
| Lens shift |
Vertical -106 ~ 127%
|
| Native offset |
106%
|
Connectivity
| Connections |
|
General
| Noise level (min) |
29dB
|
| Noise level (max) |
35dB
|
| PC compatibility |
FHD, UXGA, SXGA, WXGA, HD, XGA, SVGA, VGA, Mac
|
| 2D compatibility |
NTSC M/J, 3.58MHz, 4.43MHz PAL B/D/G/H/I/M/N, 4,43MHz SECAM B/D/G/K/K1/L, 4.25/4.4MHz 480i/p, 576i/p, 720p(50/60Hz), 1080i(50/60Hz), 1080p(50/60Hz)
|
| 3D compatibility |
Yes (DLP 3D; PC frame sequential 120Hz 3D, Blu-r
|
| 3D |
Full 3D
|
| Security |
Security bar, Kensington Lock, Password protected interface
|
| IP rating |
IP6X
|
| OSD / display languages |
25 languages: Arabic, Czech, Danish, Dutch, English, Farsi, Finnish, French, German, Greek, Hungarian, Indonesian, Italian, Japanese, Norwegian, Polish, Portuguese, Romanian, Russian, Chinese (simplified), Spanish, Swedish, Chinese (traditional), Turkish, Vietnamese
|
| 24/7 operation |
Yes
|
| 360° operation |
Yes
|
| Operating conditions |
0°C ~ 40°C, Max. Humidity 80%, Max. Altitude 2,500m
|
| Speaker count |
1
|
| Watts per speaker |
15W
|
| In the box |
AC power cord
Remote control 2x AAA batteries Basic user manual |
Power
| Power supply |
External power supply, 100V ~ 240V, 50-60Hz
|
| Power consumption (standby) |
<0.5W
|
| Power consumption (min) |
147W
|
| Power consumption (max) |
210W
|
Weight and dimensions
| Dimensions (W x D x H) mm |
274 x 216 x 108
|
| Gross weight |
4.6 kg
|
| Net weight |
3.1 kg
|
Caring for your Speakers and Amplifiers
To Keep your equipment safe these are some best practices to note. Please be advised that this is only to reduce the risk of misuse and is not an exhaustive list.
Speakers
- Speaker terminals are marked red and black, ensure your amplifier to the speakers are wired on the same colours
- Ensure no loose speaker wire from the red touches a loose wire from the black as this will lead to a short circuit and damage either the speaker, the amplifier or both.
- Not all speakers are designed to play at max volume, kindly consider the pairing of your amplifier and speakers
- Speaker cabinets cannot be replaced please handle with care.
AV & Stereo Amplifiers
- If your amplifier has HDMI ports, ensure all devices are off before plugging in the HDMI cable
- Turn off the amplifier before swoping out or adding speaker cable
- Amplifiers generate heat, place them in a well ventilated space. if possible avoid having anything on top of the unit.
- adding a surge protector can assist with power dips which are likely to damage your devices. Isotek and Furman are industry standard.
- Dusty environments can sometimes lead to accumulation of dust in the electronic components that might affect heat regulation
Shipping & Returns
- Free shipping on orders over R500 within the country.
- Standard delivery within 2–5 business days. Delays will be communicated. This might vary slightly depending on your location.
- Return items in original condition for a full refund. (unopened state)
- Returns that are open/unboxed will be subject to a handling fee. Refunds will only be processed after testing the unit.
