It is original UV/IR lens use for DLP projector lamp housing, actual pictures as above, the size is 24 x 25 x 2 mm.
User manual Optoma HD25-LV-WHD (English - 69 pages)
Computer Projector Parts for Optoma for sale
Projector Bulbs & Lamps, Slide & Film Projection, Film Photography
It is original UV/IR lens use for DLP projector lamp housing, actual pictures as above, the size is 24 x 25 x 2 mm.
lamp housing window / glass / UV/IR lens for OPTOMA HD25 HD25e HD25-LV projector
optoma hd25e for sale
Unbranded Computer Projector Parts for Optoma for sale
无品牌电脑投影仪零件适用于Optoma
Projector Replacement Parts, Monitors, Projectors & Accs
Projector Bulbs & Lamps, Slide & Film Projection, Film Photography