Fresnel lens:Diameter 250 F135mm LED traffic light fresnel lens | Инструменты

Fresnel lens:Diameter 250 F135mm  ,LED traffic light fresnel lens

 

 

Product:MY-250F135 Size: diameter 250mm  Focal length: 135mm Thickness: 2mm  Material: PMMA  Groove pitch: 0.3mm  Material : acrylic (pmma) Transmission (%): 92 (from 400-1100nm) Index of Refraction nd : 1.491 Operating Temperature (°C): 80 (Maximum) Producing area :China     The range of application: 1) focusing action 2) Widely used in solar hot water heating 3) Also be suitable for Solar energy collector system, start a fire under sunlight, hot water heater, solar furnace, LCD projector   Feature and advantages: 1) High light transmittance 2) Hihh efficiency in focusing 2) We can provide customer fresnel lens,because we can make mould by ourselves 3) 10 years’ professional induction and design 4) High quality and competitive price 5) Good after-sales service    Typical application: solar energy concentration, projector, LED lamp lens. lighting, magnifier etc.     About Us Mei Ying tech process acrylic fresnel lens by pressing and injection methords, on condition that to keep the lens clean, clear and with optical effect, we could choose the processing methord of cheapest cost for the customer.     We are one of the leading fresnel lens manufacturers in China, with 100 employees and 15 senior engineers. Being in this field for about 10 years, we successfully exported products to all over the world. We are ISO9001, ROHS, CE, Factory Audit certificated.Our R&D center has powerful research ability,OEM orders are available. Inquiries are typically answered within 24 hours   Best advantage is : we are factory ,so we have so many lenses with different size and with low price ,what's more ,we can make mould by ourselves, so we can customize fresnel lens according to your design.     detail pics:     the groove pitch is so clear~~     it's 12:30 am  when we took those pics , the temp of  focus could light the wood instantly !                 the thickness is only 2mm ,all of our lens is plane !     all of our  condence lenses also have function of  magnifier :     pics about factory and machines :