bk 7 quartz glass ball lens

{"cid":"91201126","title":"K9 BK7 1mm 2mm 3mm 5mm Glass Ball Lens , Sapphire Ball Lens With Fused Silica","imgUrl":"https:\/\/img.chinax.com\/nimg\/e5\/e2\/9cd42c48e94e95107d95f1b34c52-200x200-1.jpg","attrs":{"Price":"$0.2~$100","Brand Name":"Advance","Model Number":"as requirements","Minimum Order Quantity":"1","Delivery Time":"3~30days after order","Place of Origin":"China","Packaging Details":"EVA+Vacuum","Supply Ability":"1000k\/per month","Warranty":"-","Customized support":"OEM, ODM","Usage":"Optical","Structure":"Double Concave","Shape":"Spherical","Product name":"10mm Half Ball Lens for Optical Communication System","Material":"Optical Glass","Application":"Optical Equipment","Diameter":"25 mm","Name":"Optical Collimator Lens","Coating":"Customer Request","Type":"Optical Lens","Description":"Waterproof Lens","Surface quality":"60\/40","Color":"Transparent Clear","Port":"shanghai","Certification":"ROHS\\Reach","Payment Terms":"T\/T&L\/C","Interface Type":"Canon EF-S","Centerthickness":"5 mm","Width Tolerance":"+\/-0.01mm","Style":"Antique","Application Area":"Lighting,Laser etc","Focal Length Tolerance":"+\/-1%","Operatingtemperature":"-20 to 70 \u00b0C","Filter Ring Color":"Black,Sliver,Gold","Coating Choice":"Green","Refractiveindex":"1.52","Focal Length":"150mm"}}

{"cid":"91222766","title":"Precision Optical Glass Lenses For Laser And Collimator And Camera Lens","imgUrl":"https:\/\/img.chinax.com\/nimg\/c6\/5f\/b5869313d1e72715a42d6ed46bb3-200x200-1.jpg","attrs":{"Price":"NEGOTIATION","Brand Name":"LONGWAY","Model Number":"LW1609201453","Minimum Order Quantity":"500 pieces","Place of Origin":"Shanghai, China","Packaging Details":"electrolytic capacitor paper,foam,carton","Supply Ability":"70000 Pieces per Month","Certification":"ISO9001","Payment Terms":"D\/P,T\/T,Western Union","Structure":"Plano, Convex, Concave","Shape":"Spherical","Surface":"Optical grade","Transmission":"over 90%","Coating":"available","Processing":"grinding and polishing","Application":"Optics and lighting","OEM":"available"}}

{"cid":"91184473","title":"Customized Shape Laser Cut Sapphire Windows , Sapphire Coated Crystal","imgUrl":"https:\/\/img.chinax.com\/nimg\/a0\/99\/e08ba4dff76c1b8b458048fa23c5-200x200-1.jpg","attrs":{"Price":"by case","Brand Name":"zmsh","Model Number":"27.5x21x0.5mmt customized sapphire window","Minimum Order Quantity":"20pcs","Delivery Time":"2-4weeks","Place of Origin":"china","Payment Terms":"L\/C, T\/T, Western Union","Supply Ability":"1000pcs\/month","Packaging Details":"carton case","vision light transmissivity":"85\uff05","industry":"electronic product protect glass cover\uff0cled\uff0coptical glass\uff0cepi-ready wafer","materials":"99.999\uff05 Al2O3","color":"Colorless transparent","advantagement":"hardness 9.0,wear resistance,","applications user":"protective window","surface":"doubie side polished","tolerance":"\u00b10.03mm"}}