The FL-710 Ultra Short Throw Fixed Lens from Hitachi uses all-glass lenses that reduces the blurring that occurs under changes between high and low temperature. It is for use with specific Hitachi projectors.
Compatibility
CP-WU8700W, CP-WU8700B, CP-WU8600W, CP-WX8750W, CP-WX8750B, CP-WX8650W, CP-X8800W, CP-X8800B projectors