The Optoma ZK521ST short throw projector delivers 5,000 lumens of brilliant True 4K UHD sharp 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.
- Crisp 4K from wall to wall: True 4K UHD (3840×2160) makes text, data, and imagery sharp and readable across screen sizes up to 300"
- Project big from tight spaces: 0.79:1 short throw lens fills the screen from just 5.8 feet away
- Sustainable design: 50% recycled metal and PCR materials
- Optoma Management Suite (OMS): Enables centralized IT monitoring and control across multiple networked devices
- Optoma Smart Control App: Intelligent screen alignment and remote control directly from your mobile device
Display
Technology
DLP®
Resolution
4K UHD (3840x2160)
Brightness
5,000 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, Auto, Native
Keystone correction - horizontal
+/-15°
Keystone correction - vertical
+/-15°
Horizontal scan rate
15~150 KHz
Vertical scan rate
24~240 Hz
Uniformity
75%
Screen size
30"~300"
