brdoptical

 Meniscus Cylinder Lens can increase the NA of the system while only adding slightly to the total spherical aberrations. The Negative Meniscus Lens is used to increase the focal length of another lens while maintaining the angular resolution of the optical assembly. This lens shape is best used when one conjugate is relatively far from the lens. Description Of Meniscus Cylindrical Lens It is a lens that one surface is the convex shape, another surface is concave with a cylindrical shape, its role is making beam converging or diverging on a plane, and that beam doesn’t work for the perpendicular plane(cylindrical axis) with it. A cylindrical lens is used in turning a transmitted plane wave into a cylindrical wave, or turn an original cylindrical wave into a plane wave or spherical wave, such a kind of lens can correct ocular astigmation. Ecoptik (also known as BRD Optical) uses classical processing technology and strict process control to ensure that the surface accuracy of the lens...

  1. BRD High-performance IR lens   We BRD can provide a large number of customized infrared IR lenses and components for focusing, collimating and collecting light in the near-infrared (NIR), short-wave infrared (SWIR), mid-wave infrared (MWIR) and long-wave infrared (LWIR) spectra. By adhering to the highest manufacturing and ISO standards, we produce high-performance IR lenses that can meet all kinds of needs from customers such as industrial, medical, life science, and defense applications.   We have extensive experience in manufacturing high-quality IR lenses and infrared lens design. We provide customers with the most valuable high-performance  ir lens design  in most of the infrared spectrum.   Our infrared lenses have been widely used in surveillance cameras, infrared zoom systems, infrared zoom systems, infrared thermal displays, thermal imaging systems, temperature detectors, etc.   We design high-performance IR lenses to improve production y...