ZH451ST
Eco-friendly high brightness short throw Full HD laser projector
The ZH451ST 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 4200-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 ZH451ST 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.
Geared for conference rooms, boardrooms, and other corporate spaces, the ZH451ST has a short throw lens meaning it can be positioned less than half a metre from any wall. For ultimate convenience it comes with an RS232 connection for monitoring and controlling and a built-in speaker.

Designed for the future
We are committed to reducing the overall environmental footprint of our products so we can do right by the planet.
Designing innovative products with sustainability in mind considers every phase of a product's lifecycle, from design, manufacturing, packaging, and logistics, to usage.

Lights on viewing
This versatile projector combines high brightness and vivid colours for vibrant, true-to-life visuals in any environment*. Make a lasting impression with bigger and bolder presentations any time of day.
*With no direct sunlight or lights directed on screen.

Full HD 1080p
1080p resolution gives you sharp and detailed images from HD content without downscaling or compression; perfect for watching Blu-ray movies, HD broadcasting and playing video games.

HDR and HLG compatible
Capable of receiving and displaying both HDR10 and Hybrid Log Gamma (HLG) HDR content. This Optoma projector allows you to see far more detail and texture. Objects look more solid and lifelike and the extra detail creates a greater sense of depth.

| Parameter | Value |
|---|---|
| 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 |
| 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 |
| Light source type | Laser |
| LASER life | 30,000 hours |
| Throw ratio | 0.496:1 |
| Projection distance (m) | 0.33m - 3.3m |
| Zoom type | Fixed |
| Focal length (mm) | 7.51 |
| Native offset | 116% |
| Inputs | 2 × HDMI 2.0, 1 × Audio 3.5mm, 1 × VGA |
| Outputs | 1 × Audio 3.5mm, 2 × USB-A power 1.5A |
| Control | 1 × RS232, 1 × RJ45, 1 × 12V trigger, 1 × 3D sync |
| Noise level (min) | 29dB |
| Noise level (max) | 31dB |
| 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-ray DVD 3D, Over-Under: 1080p24, 720p50/60) |
| 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 |
| Power supply | External power supply, 100V ~ 240V, 50–60Hz |
| Power consumption (standby) | <0.5W |
| Power consumption (min) | 118W |
| Power consumption (max) | 170W |
| Dimensions (W × D × H) mm | 274 × 216 × 114 |
| Gross weight | 4.3 kg |
| Net weight | 2.9 kg |
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| Тип: | DLP |
|---|---|
| 3D: | 3D |
| Разделителна способност (native): | 1920 x 1080 |
| Разделителна способност (max): | 1920 x 1080 |
| Яркост: | 4200 lm |
| Контраст: | 2000000 |
| Мрежови възможности: | RJ-45 |
| Говорители: | Да |
| 4K: | Не |
| Разстояние на проектиране: | Нормално |
| Short Throw: | Да |
| Живот на лампата: | 30000 h |
| Предназначен за: | Бизнес |
| Формат: | 16:9 |
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