Optoma ZK521ST 4K UHD Short Throw Laser Projector

The Optoma ZK521ST is a compact, short-throw laser projector designed to deliver brilliant 5,000-lumen visuals in True 4K UHD resolution. Featuring a 0.79:1 throw ratio, it enables large, shadow-free projections even in confined meeting rooms or classrooms. Built with DuraCore laser technology, this projector ensures up to 30,000 hours of consistent brightness and vivid color accuracy with minimal maintenance. It supports advanced features including the Optoma Management Suite for centralized IT control and the Optoma Smart Control app for intelligent screen alignment. Engineered for sustainability, the unit incorporates 50% recycled materials and energy-efficient components, making it a reliable, long-term solution for professional and educational environments.

Technology	DLP
Resolution	4K UHD (3840x2160)
Brightness	5,000 Lumens
Contrast Ratio	300,000:1 (Dynamic 2,000,000:1)
Throw Ratio	0.79:1
Light Source Life	30,000 hours (Eco mode)
Speaker	1 x 15W
Noise Level	29 dB(A)