Optoma ZH451ST DLP Laser Projector - Full HD 1920x1080, 4200 Lumens, Short Throw

The Optoma ZH451ST is a high-performance DLP laser projector designed for professional and educational environments. With a native Full HD resolution of 1920x1080 and an impressive brightness of 4200 ANSI lumens, it delivers sharp, vibrant images even in well-lit rooms. The DuraCore laser light source ensures up to 30,000 hours of maintenance-free operation in Eco mode, reducing total cost of ownership. Its ultra-short throw ratio of 0.496:1 allows for large images from a short distance, making it ideal for small spaces.

Advantages

Experience exceptional image quality with 300,000:1 dynamic contrast ratio and support for HDR10 and HLG. The projector features full 3D capability, built-in 15W speaker, and extensive connectivity including dual HDMI 2.0, VGA, RS232, RJ45, and a 12V trigger. Keystone correction (vertical and horizontal ±30°) and fixed zoom provide flexible installation options. Eco mode noise level of just 28 dB ensures quiet operation.

Suitable for

• Classrooms and lecture halls
• Corporate meeting rooms and boardrooms
• Home cinema enthusiasts seeking a long-lasting laser projector
• Digital signage and museum exhibits

Key specifications

• Display Technology: DLP
• Native Resolution: Full HD (1920 x 1080)
• Brightness: 4200 ANSI Lumens
• Light Source: DuraCore Laser
• Light Source Life: 30,000 hours (Eco mode)
• Contrast Ratio: 300,000:1 (Dynamic Black)
• Throw Ratio: 0.496:1
• Zoom Type: Fixed
• Keystone Correction: Vertical ±30°, Horizontal ±30°
• Aspect Ratio: 16:9 Native, 4:3 Compatible
• 3D Support: Full 3D
• Inputs: 2x HDMI 2.0, 1x VGA (YPbPr/RGB), 1x Audio 3.5mm
• Outputs: 1x Audio 3.5mm, 1x USB-A power (1.5A)
• Control Ports: 1x RS232, 1x RJ45, 1x 12V Trigger
• Built-in Speaker: 15W
• Noise Level (Eco): 28 dB
• Projection Size: 36.2" ~ 300" (0.92m ~ 7.62m)
• HDR Compatibility: HDR10, HLG

Recommendations

For optimal performance, use a high-quality HDMI cable and ensure proper ventilation. The laser light source eliminates lamp replacement costs, making it a sustainable choice for long-term use. Pair with a compatible screen for best image quality.