Si Material Positive Meniscus Lens 632.8nm Low Spherical Aberration Lens
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... with another lens, a positive meniscus lens will shorten the focal length and increase the numerical aperture (NA) of the system without introducing significant spherical aberration. When used to focus a collimated beam, the convex side of the lens should...
Wuhan Star Optic Technology Co., Ltd
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High Performance Infrared Optical Lens , Germanium Ge Positive Meniscus Lens
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Infrared Germanium Lens Wavelength Range of 2 - 16μm Rugged, Durable Material Ideal for Defense, Security, and Thermal Imaging Applications Additional Infrared Lenses Available in Popular Substrates We will choose high quality single crystal Germanium ......
Wuhan Siwer Optics Co.,Ltd
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20mm BK7 Glass Clear Meniscus LED Optical Glass Lens
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...Meniscus LED Optical Lens Meniscus lens is a crescent lens formed by two spheres with small radius of curvature and little difference in value.There is an achromatic difference when choosing the appropriate thickness.Meniscus lens is concave-convex lens.The lens has an convex mirror and an concave mirror face.If the radian outward is greater than the radian inward, the lens has a positive......
Shanghai Advance Optical-Electronics Technology Co., Ltd
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Laser Machine F-theta Scan Lens / Laser Optical Lens High Precision
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...lens / laser optical lens / focus lens / field lens Quick Detail: laser f-theta lens can be used for laser marking and laser engraving, work with marking head(laser scanner). Description: Diameter Tolerance +0.0, -0.13mm Thickness Tolerance ±0.25mm Paraxial Focal Length ±2% Centration 3 arc minutes Clear Aperture >>80% Surface Figure λ/2 per 1” @632.8nm......
Beijing JCZ Technology Co. Ltd
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Precision N-bk7 Optical Glass Bi-convex Lens For Microscopes & Tools
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... N-bk7 Optical Glass Bi-convex Lens For Microscopes & Tools 1. Material & Manufacturing Optical Substrate: Schott N-BK7 borosilicate glass (standard reference 517642) Surface Precision: λ/4 surface accuracy @ 632.8nm 60-40 scratch-dig specification ......
Shanghai Longway Special Glass Co., Ltd.
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Vertical Spherical Interferometer Optical Measuring Instrument For Optical Lens Inspection
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...Lens Inspection Product Specification Product Model D100 Vertical Laser Interferometer Interference Principle Fizzy Effective Beam Diameter 4 inches (101.6mm) Test Wavelength LD Laser (635nm)/Imported HeNe Laser (632.8nm) Optical Path Switching Align/test electronic control switching, response frequency 0.5S System Detection Stroke 950mm/1250mm Standard Spherical Lens...
Yantai ZK Optics Co., Ltd.
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Laser Resistant Plastic Spot Welder Optical Fiber Lens
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...Lens Spectral range 150-3500nm High strength surface hardness Resistant to scratch and high temperature Chemical inert, acid resistance, alkali resistance Hechen crystal provides sapphire window coating services Basic technical parameters materials Size tolerance +0.0/-0.2mm Surface accuracy λ/4 @632.8nm......
Wuhan Keyi Optic & Electric Technology Co., Ltd
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K9 Optical Glass Roof Prism Plano-Convex With Positive Focal Length
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K9 Optical Prism Roof Prism Product introduction: Two refracting surfaces of optical lens are both spherical or one is spherical and the other is flat. Ruisen can supply standard and high-precision spherical lens in a variety of shapes, sizes, focal ......
Anhui Uniform Trading Co.Ltd
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