positive meniscus lens 632 8nm

Brand Name:STAR OPTIC

Model Number:MEN

Place of Origin:Wuhan, China

... 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

Brand Name:Wuhan Siwer Optics

Place of Origin:Wuhan,China

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 ...

Place of Origin:China

Brand Name:Advance

Model Number:as requirements

...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...

Place of Origin:Beijing, China

Brand Name:JCZ

Model Number:SL-532-150-254

...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...

Brand Name:LONGWAY

Model Number:LW16092213

Place of Origin:Shanghai, China

... 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 ...

Brand Name:ZKTD

Model Number:ZKTD-D100

Place of Origin:CHINA

...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

Brand Name:keyilaser

...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...

Brand Name:UNIFORM

Model Number:AUTC-GP-532

Place of Origin:CHINA

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 ...