PMMA fresnel lens for projector

Fresnel lens is used in projection system, its function is to collimate light and focus light. The Fresnel lens used in the projector is to improve the resolution, clarity, and brightness of the projector screen. The thread pitch and tooth profile are rationalized, and the keystone correction range is increased to raise the picture. The lens condenser objective is eccentric, so that the projector can achieve a good viewing effect whether it is suspended or placed on a desktop. Specifications: Material : PMMA Diameter : less than 400mm Focal Length :35mm/40mm/70mm/80mm/128mm/185mm/210mm etc Thickness :1.5mm - 2mm We have following size and focal length in stock, and we can offer OEM service! Size Focal Length Material 295x178mm 220mm PMMA 295x180mm 320mm…