LD projector lenses LEDU乐都投影镜头

NEC professional LCD laser projector modified short-focus lens, throw ratio range 0.5-4.8: 1
Optoma projector lens
Optoma projector lens
Optoma projector lens

DLP 0.6:1 0.7:1 0.8:1 0.65-0.76:1 1.05-1.7:1 0.7-1.2:1 2.9-5.5:1
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