... 120mm 3) Material: optical acrylic 4) Suitable for LCD Projector and Epidiascope Specification:Size: 163*107mm Thickness ... in LCD PROJECTOR and EPIDIASCOPE3) Also be suitable for stage lighting, hot water heater, solar furnace, ... High light transmittance2) We can provide customer fresnel lens,because we can make mould by ourselves3) 10 ... the best service! Acrylic Standard Fresnel Lens for LCD PROJECTOR