DLP series projector fixed focal length lens review(Supports Christie, Barco, Sonok, Optoma, etc.)

DLP series projector fixed focal length D15 lens review (Supports Christie, Barco, Sonok, Optoma, etc.) Features: Support 1920 * 1200 Support 12000 lumens Support: large displacement DLP系列投影仪固定焦距镜头评测 （支持科视、巴可、索诺克、奥图码等） 特点：支持1920*1200 支持12000流明 支持：大位移