General Introduction:The mirror surface of an aspheric lens changes continuously from the center of the lens to the peripheral curvature. Aspheric lenses have two types: single-sided aspheric surface and double-sided aspheric surface.Modern camera lenses require high optical performance and require correction of various aberrations. A lens composed of spherical lenses uses a combination of multiple lenses to overcome aberrations. This lens composed of spherical lenses will have a certain "spherical aberration" to varying degrees. Lenses composed of aspherical lenses can effectively overcome "spherical aberration".
Product Description: The so-called spherical and aspherical surfaces mainly refer to the lens geometry of lenses (various lenses, microscopes, etc.) and glasses (including contact lenses), that is, spherical lenses and aspherical lenses. The difference in the geometric shape of the two determines the difference in the refraction direction of the parallel incident light, which affects the quality of the imaging effect.For aspherical lens, the lens is not spherical, but the green part of the edge of the lens is cut off a little, and its cross-section is flat. When light is incident on an aspherical mirror, the light can be focused on a single point to eliminate various aberrations.The introduction of aspherical lens technology is most beneficial to the production of large aperture, high-magnification zoom, and even extreme wide-angle and telephoto lenses. The image quality is improved due to the reduction of aberrations, and the size of the lens body is also reduced.
Product Features: 1.It can ideally overcome spherical aberration and can be made into large-diameter high-quality lenses.
2.It can omnidirectionally improve the imaging quality of the lens.
3.It can reduce the number of lens elements of the lens. 4.It can reduce the length of the lens, which is conducive to the miniaturization of the lens.
Main Cooperation Materials Manufacturers: CORNING, OHARA, SCHOTT, LEONI, AGC,HELLMA, NIKON,VITRON,C-LASER,ETC
Main Export Countries & Areas: Usa, Uk, Japan, Germany, Spain, France, Swiss, Korea, Russia, Pakistan, India, Portugal, Canada, New Zealand, Australia, Saudi Arab, Turkey, Finland, Poland ,etc. Raytekoptics Extra value added services offered: 1). Optical workcraft & process solution design; 2). Rough processing raw materials; 3). Semi finishing raw materials; 4). Fabricate custom sizes and shapes; 5). Design and supply custom coatings; 6). Modify and resurface customer supplied materials; 7). Drill holes, notch glass and provide beveled substrates; 8). Precision polish optics with non-standard aspect ratios;
Payment Method: by T/T or Western Union. Delivery time: 7-10 days. Quality Warranty: Ruitaiphotoelectric(Raytekoptics) offersquality warranty for our optics products with "3R" policy. For any inferior-quality products, Ruitaiphotoelectric(Raytekoptics) is responsible for return, replacement and refund.
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