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Our main product is laser pickup. Now our business spreads all over the world depending on one dragon service from our own developing and producing ability to international sale. We are the limited su ...
Diameter 6.00mm--50.80mmDiameter Tolerance +0/-0.1mmThickness Tolerance +0/-0.1mmFocal Length Tolerance +/-2%Surface Accuracy L/4 irregularity at 632.8nmSurface Quality 40/20 S/DCentration <3 arc m ...
Optical ball lens, half ball lensesMaterial: glass such as bk7,SF5,SF6,B270,fused silica,znse,caf2,ge,etc.Diameter:1mm to 100mmSurface quality:20-10Flatness;1/4 lambdaTolerance;+/-0.002mm!!spec!!fea!! ...
Diameter Available 1.5mm--200mmDiameter Tolerance +0/-0.05mmThickness Tolerance +/-0.05mmFocal Length Tolerance ±1%Surface Accuracy 4 irregularity at 632.8nmSurface Quality 40-20 S/DCentration <3 a ...
CR-39 Single vision lensReflection Index=1.5Abbe Value 59 \High Scratch resistanceNew designed products slim and thinSuper-hard protection coating availableHMC and HMC+EMI Coating available in greenis ...
Our main products include lens made by :1. various kinds of crystal materials, such as ZnSe, CaF2, Ge, Si, ZnS, BaF2, GaAs, MaF2, LiF, Copper Mirrors, Mo, Sapphires, Quartzs, Ceramics , YAG, etc2. va ...
Martial: H-K9L(Borosilicate Crown Glass)Diameter Tolerance: +0.0/-0.10mm(≤ 60mm)+0.0/-0.15mm(>60mm)Centering Accuracy: 40mm)Focal Length Tolerance: ± Plusmn; 0.2%(± 2.0%(± 5.0%(>1000mm)Edge/Centr ...
All crystal materials are grown specially for ALKOR and 100% tested in optical laboratory for transmission, crystallographic orientation, birefrigence, internal impurities.
Product name: 1.49 Cr-39 optical lensIndex: 1.499Material: hard resinDia: 55~70mmCoating: UC, HC,HMC, HMC EMI (BLUE, GOLD)!!spec!!fea.Light weight.high impact reistence.tintable