... competitive price. 5.caring service.6.custom size. The Fresnel lense can be designed and manufactured in very large ... suitable for PROJECTOR,PROJECTOR,EPIDIASCOPE and ,also suitable for Solar energy collector system, start a fire under sunlight, hot water ... solar furnace, stage light,LCD projector,AV projector,HOME cinema magnifier and so on... over 10 year's professional manufacturer and fresnel lens ...