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Testimonials
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Read full testimonial »Optical Components | Lenses Spheric
Knight Optical offer materials for use in Infrared applications across 3-5 microns, 8-12 microns and multiwavelength bands. Our extensive choice of Infrared materials is available as polished blanks, windows, lenses, aspherics, prisms, and rods and ...
Knight Optical UK Ltd
Germanium transmission cuts on at 1.8µm and has useful transmission until 14µm. Knight Optical’s Germanium windows and lenses are used in thermal imaging cameras, where inert and rugged optics are required. Germanium offers high ind...
Knight Optical UK Ltd
Barium Fluoride transmission above 90% from 0.25µm to 9.5µm. Barium Fluoride has lower thermal-shock resistance and hardness than calcium fluoride but offers the highest resistance to high energy radiation compared to other IR materials a...
Knight Optical UK Ltd
Achromatic Doublet lenses have superior performance to singlet lenses. The have nearly constant focal length in a broad wavelength range.
Sinocera Photonics, Inc.
Spherical ball lenses are ideal for fiber to fiber and diode laser to fiber coupling.
Sinocera Photonics, Inc.
Meniscus lenses have one convex and one concave surface. They are used to change the focal length of another lens.
Sinocera Photonics, Inc.
Symmetric-Concave Lenses have a negative focal length and two concave surfaces with identical radius. They diverge collimated incident light and form virtual images which can be seen through the lens.
Sinocera Photonics, Inc.
Symmetric-Convex lenses have positive focal lengths and form both real and virtual images.
Sinocera Photonics, Inc.
Plano-Concave Lenses have a negative focal length, they are used to diverge collimated incident light.
Sinocera Photonics, Inc.
Plano-Convex Lenses have a positive focal length, they are used to converge incident light.
Sinocera Photonics, Inc.




