ZK450 Optoma 796435446871 Showing the single result Sale! Optoma 4K UHD 3840X2160 4200 LUMENS 1.4 1 – 2.24 1 TR 30K HRS 1.6X ZOOM ZK450 $5,749.00 Original price was: $5,749.00.$2,909.67Current price is: $2,909.67. Add to cart Add to wishlist