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• Circular Diameter 200Mm Fresnel Lens Focusing Hot Spot Fire Led Optical Lenses Thread Magnifier Description: Acrylic materials also is referred to as PMMA, additionally referred to as plexiglass, high gentle transmission Cutting can only be reduce from broad to small, you would punch holes, you would reduce chamfer, you may substitute the shape and size, cannot substitute the focal length Complex slicing requires drawings Purpose: Frosted lens is widely used in lamps and lanterns: pictures lights, beam lights, LED four-head beam lights, outdoors searchlights, outdoor floodlights, wall wash lights, spotlights, tracking lights, downlights, degree lighting fixtures The gentle spot impact produced by Fresnel lens is more concentrated, extra uniform and brighter than that of traditional lens Specification: 1) Diameter: 200mm 2) Focal length: 70/80/100/120/140/150/160/180/200/220mm 3) Thickness: 2mm 4) Grain pitch: 0 or zero 5) Shape: Round 6) Material: Acrylic 7) Production proceSss: Cold forming 8) Transmittance: 92% 9) Use temperature: -40 degrees -80 degrees Please note: 1) Fresnel lenses are concentric circles at the entrance and soft surfaces at the back, with an everyday thickness of 2mm and edges as thick as the center (not convex anywhere, now not convex lenses!!) 2) Fresnel lens and convex lens are a similar in function, however the two shapes are completely different, please listen in on the distinction

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