concavea. 凹的 lensn. [C] 1.透镜;镜片 2.(照相机等的)镜头 3(眼球的)晶体 v. [T] 1.给...摄影(尤指摄制影片) concave concave双凹 doublea. 1.加倍的;两倍的 2.特大的;特强的 3.双人的 4.成双的;重复的 5.俯身的;弯腰的 6.模棱两可的 7.两面派的;欺诈的 8.(花)重瓣的 9.【音】...
美 英 un.双凹透镜 英汉 网络释义 un. 1. 双凹透镜
Product Description:The double concave lens is similar to the plano-concave lens, the focal length is negative, but the parallel incident light diverges outward, and the two sides of the double concave lens have equal radii of curvature, and are generally used for beam ...
补充资料:凹透镜 凹透镜concave lens 中央薄边缘厚的透镜。在光疏介质中使用时,能对入射光束起发散作用,故又称发散透镜。又因其焦距为负,又称负透镜。对薄的凹透镜,成像公式、横向放大率公式和符号法则均与凸透镜同(见凸透镜)。 说明:补充资料仅用于学习参考,请勿用于其它任何用途。
Model Number 10MM Concave Lens Structure Double Concave Material Glass Brand Name SRATEView more DescriptionReport Item Specifications: Material: High-quality K9 Optical Glass Structure: Double Concave Usage: Optical Diameter Options: 30mm, 40mm, 50mm, 75mm, 100mm Package Contents: 2pcs Double Concave...
RAY-OPL1206# Usage Lighting, Medical, Optical, Photography Type Concave Lens Transmittance >95% Shape Laminated Lenses Material Optical Glass Lenses Color Clear Certification RoHS, ISO9001, CE Customized Customized Coating HMC Transport Package
Type Concave Lens Transmittance 90%-95% Shape Biconcave Material Glass Lenses Color Clear Certification ISO9001, CE Customized Customized Coating Anti-Reflective (Ar) Coatings Size Customize Surface Quality 60/40,40/20,20/10 Customized Support OEM, ODM,...
Double Concave Lens Application Optical Equipment Diameter 10mm/Customized Focal length Customized Type Concave lens Color Transparent Coating Customer Request Thickness 0.1-100mm Clear Aperture 85% ~95% Flatness 1/4lambda Packaging and delivery Selling Units: Single item Single package size: 10X8X9 cm...
concave lens Coating anti-reflective coating warranty 1 year customized support OEM, ODM brand name L-Chaser model number JCL12-2.0 size 2.0mm Material k9 Wavelength 587.6nm Diameter tolerance +0.0/-0.1mm Tc Tolerance ±0.2mm Surface Irregularity Lambda/4@ 632.8nm EFL 2.0mm BFL 1.36mm Surface ...
Customized Spherical Optical Laser Double Concave Lens Double Convex Achromatic Lens, Find Details and Price about Achromatic Lenses Bi-Convex Lens from Customized Spherical Optical Laser Double Concave Lens Double Convex Achromatic Lens - VY Optoelectro