... The Fresnel lense can be designed and manufactured in very large sizes with light weight due ... the cost will be lower than traditional magnifiers. In contrast, a conventional glass lens would be 200mm ... energy collector system, start a fire under sunlight, hot water heater, solar furnace, stage light,LCD ... products. CE,Factory Audit,ISO9001,AGC. HOT sell high quality solar PMMA Fresnel Lens in energy