BenQ TH671ST data projector Standard throw projector 3000 ANSI lumens DLP
Light source type: Lamp, Service life of light source: 4000 h, Service life of light source (economic mode): 10000 h. Focal length range: 10.2 - 12.24 mm, Aperture range (F-F): 2.6 - 2.78, Zoom ratio: 1.1:1.