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  • Optical Glass Bk7 K9 Cylindrical Rods Lens for Optical Equipment – DG

    Optical Glass Bk7 K9 Cylindrical Rods Lens for Optical Equipment – DG

    Optical Windows A rod lens is a cylindrical lens which has the geometrical form of a cylinder and has a polished mantle, while the two flat end surfaces may be ground. It is analogous to a ball lens for focusing in both directions. Rod lenses can be used, for example, for collimating a divergent beam in one dimension (see Figure 1) or for focusing light to a line. There are also imaging applications. Note, however, that a rod lens exhibits substantial spherical aberrations when light pr...
  • China wholesale Plano Concave Lenses - 90 Degree Glass Lens for LED High Bay Lighting – DG

    China wholesale Plano Concave Lenses - 90 Degree Glass Lens for LED High Bay Lighting – DG

    DG Optics specializes in the development, production, and sales of optical products made of any material including BK7,quartz,sapphire  etc. The product line covers thousands of categories, such as Dove Prisms, Filters, Rod Lenses, and sapphire watch Windows. Applications include defense and security, aerospace, optical ball covers for underwater cameras, automotive, medical, entertainment and design lighting, electronics and optoelectronics, laser technology, energy and utilities, universiti...
  • factory low price Ir Fresnel Lenses -  Glass Fresnel Lens Dia 150 Borosilicate Glass Optical Collimator Lens for Projector – DG

    factory low price Ir Fresnel Lenses - Glass Fresnel Lens Dia 150 Borosilicate Glass Optical Collimator Lens for Projector – DG

    Product Description Fresnel lens, succession of concentric rings, each consisting of an element of a simple lens, assembled in proper relationship on a flat surface to provide a short focal length. The Fresnel lens is used particularly in lighthouses and searchlights to concentrate the light into a relatively narrow beam. Fresnel lenses are a special kind of optical lenses, where the surface profile contains annular steps such that a given focal length can be achieved with a substantiall...
  • Hot Selling for Aspheric Lens Glass -  Precision Polished Aspheric Lenses – DG

    Hot Selling for Aspheric Lens Glass - Precision Polished Aspheric Lenses – DG

    Small aspheric glass lenses can be made by molding, which allows cheap mass production. Due to their low cost and good performance, molded aspheres are commonly used in inexpensive consumer cameras, camera phones, and CD players.They are also commonly used for laser diode collimation, and for coupling light into and out of optical fibers. Larger aspheres are made by grinding and polishing. Lenses produced by these techniques are used in telescopes, projection TVs, missile guidance systems, an...
  • PriceList for Bk7 Glass Plano Concave Spherical Lenses - Customized Sapphire/Fused Silica/Bk7 Optical Aspherical Lens – DG

    PriceList for Bk7 Glass Plano Concave Spherical Lenses - Customized Sapphire/Fused Silica/Bk7 Optical Aspherical Lens – DG

    Optical Windows Optical windows are flat, plane-parallel plates, they are offen used as protective barriers for electonic sensors or detectors from outside enbironments, we offer optical windows those are made from different materials, such as Germanium (Ge), Silicon (Si), N-BK7(k9), Fused Silica, Zinc Selenide (ZnSe) and other choice as your requirements, About the Ultraviolet (UV), visible, or Infrared (IR) optical windows, we offer multipe anti-reflection coating choice to fulfill you...
  • Narrow Bandpass Laser Ranging Optical Radar Lens Laser Filter 635nm 905nm 1064nm – DG

    Narrow Bandpass Laser Ranging Optical Radar Lens Laser Filter 635nm 905nm 1064nm – DG

    Optical Windows Colored filter glass can be instrumental in achieving the highest contrast image possible in your machine vision systems design. Providing high transmittance, reliable quality and durability as well as minimum polarization effects, colored filters offer impressive individual benefits that greatly improve a machine vision systems performance. Colored filters are not angle dependent, meaning the optical transmission will not shift when used at different angles or within dif...
  • High reputation Cylindrical Lenses - 90 Degree Glass Lens for LED High Bay Lighting – DG

    High reputation Cylindrical Lenses - 90 Degree Glass Lens for LED High Bay Lighting – DG

    DG Optics specializes in the development, production, and sales of optical products made of any material including BK7,quartz,sapphire  etc. The product line covers thousands of categories, such as Dove Prisms, Filters, Rod Lenses, and sapphire watch Windows. Applications include defense and security, aerospace, optical ball covers for underwater cameras, automotive, medical, entertainment and design lighting, electronics and optoelectronics, laser technology, energy and utilities, universiti...
  • OEM Factory for Silicone Optical Lens - plano-convex lens – DG

    OEM Factory for Silicone Optical Lens - plano-convex lens – DG

    Plano-Convex Lenses are ideal for light collimation or for focusing applications, in a winde range of industries including industrial, pharmaceutical, robotics and other fileds. DG Optics offers various sizes of plano-convex lens, and the lenses are available in a range of coating or substrate options. Anti-reflection coatings range from the Ultraviolet (UV) to the Infrared (IR), including UV-AR, UV-VIS, MgF2, VIS 0°, VIS-NIR, NIR I, NIR II,. Additional coatings designed specifically for las...
  • China Gold Supplier for Optical Bk7 Glass Hemisphere Dome Lenses - double convex lens – DG

    China Gold Supplier for Optical Bk7 Glass Hemisphere Dome Lenses - double convex lens – DG

    Bi-Convex Lenses are the best choice where the object and image are at equal or near equal distance from the lens. When the object and image distance are equal (1:1 magnification), not only is spherical aberration minimized, but also coma, distortion, and chromatic aberration are identically canceled due to the symmetry. Bi-convex lenses function similarly to plano-convex lenses in that they have a positive focal length, and focus parallel rays of light to a point. Both surfaces are spherica...
  • Factory Price For Laser Focus Lens - fused silica /Sapphire glass lens for high precision laser optics – DG

    Factory Price For Laser Focus Lens - fused silica /Sapphire glass lens for high precision laser optics – DG

    Optical Windows An achromatic lens or achromat is a lens that is designed to limit the effects of chromatic and spherical aberration. Achromatic lenses are corrected to bring two wavelengths (typically red and blue) into focus on the same plane. The most common type of achromat is the achromatic doublet, which is composed of two individual lenses made from glasses with different amounts of dispersion. Typically, one element is a negative (concave) element made out of flint glass such as...
  • Cheap price Plano Concave Lens - 10W-100W Glass LED lens 80MM Focusing optical glass lens, high power LED convex lens – DG

    Cheap price Plano Concave Lens - 10W-100W Glass LED lens 80MM Focusing optical glass lens, high power LED convex lens – DG

    Optical Windows An achromatic lens or achromat is a lens that is designed to limit the effects of chromatic and spherical aberration. Achromatic lenses are corrected to bring two wavelengths (typically red and blue) into focus on the same plane. The most common type of achromat is the achromatic doublet, which is composed of two individual lenses made from glasses with different amounts of dispersion. Typically, one element is a negative (concave) element made out of flint glass such as...
  • OEM Supply Optical Glass Znse Zns - Narrow Bandpass Laser Ranging Optical Radar Lens Laser Filter 635nm 905nm 1064nm – DG

    OEM Supply Optical Glass Znse Zns - Narrow Bandpass Laser Ranging Optical Radar Lens Laser Filter 635nm 905nm 1064nm – DG

    Optical Windows Colored filter glass can be instrumental in achieving the highest contrast image possible in your machine vision systems design. Providing high transmittance, reliable quality and durability as well as minimum polarization effects, colored filters offer impressive individual benefits that greatly improve a machine vision systems performance. Colored filters are not angle dependent, meaning the optical transmission will not shift when used at different angles or within dif...