This invention relates to soft, low expansion, high durability, high refractive index glasses especially suitable for the production of segments or buttons for multifocal ophthalmic lenses and, in particular, photochromic ophthalmic lenses. The glasses demonstrate refractive indices between about 1.58-1.71...
1.74 high index lenses Packaging and delivery Packaging Details 1. Envelope: a) Standard white envelope b) Color envelope with customized design (Weight: 157g, Size: 9*9cm) 2. Outer Box a) Standard export carton (Size: 38*48*35cm, 0.064CBMS) b) Include about 500 pairs of finished lense...
High Index Uncoated Half-Ball Lenses for Fiber Optics, Find Details and Price about Glass Lenses Double-Convex Lens from High Index Uncoated Half-Ball Lenses for Fiber Optics - Tianjin Tengteng Optoelectronic Technology Co., Ltd.
Optical Coated High Precision Lens for Industrial High Power Microscope, Find Details and Price about Glass Lenses Double-Convex Lens from Optical Coated High Precision Lens for Industrial High Power Microscope - Tianjin Tengteng Optoelectronic Technolog
Lens Index:1.90 1.90 Product sellpoints Applicable People: Men,Tailored for men, these eyeglasses offer a stylish and functional accessory. Index Prescription Lenses|Fioptics Channel|Material: Glass,Crafted with premium glass lenses, these eyeglasses offer superior clarity and durability. ...
JA-OPTICS High Precision Diameter 1.5mm Optical Glass K9/BK7 Crystal Spherical Ball Lens 2.0 1 ReviewColor: 5 Pcs 10 Pcs 100 Pcs Diameter: 1.5mm 1.5mmProduct sellpoints Clear aperture: >90%,Boasting a clear aperture of >90%, these lenses minimize light scattering, enhancing image quality. ...
Lenses Color Clear Certification RoHS, ISO9001 Customized Customized Coating Ar Coating, Bbar Coating, etc Substrate K9, Fused Silica, or Other Optical Glass Size 3-460mm Dimension Tolerance +/-0.1mm or Better Surface Quality 60/40 Surface Flatness ...
The fabrication of multifocal ophthalmic lenses by fusing one or more segments or buttons of a glass with a high refractive index into a cavity provided in a blank of pressed crown glass is well known. In common current practice, the blank is formed of a crown glass with a refractive index...
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China Factory High Precision Optical Plano Convex Glass Zf88 Cylindrical Lens, Find Details and Price about Cylindrical Lenses Plano Concave Cylindrical Lens from China Factory High Precision Optical Plano Convex Glass Zf88 Cylindrical Lens - VY Optoelec