1 5 6 meters cylinder length grinding equipment

{"cid":"91201126","title":"Transparent 40\/20 60\/40 Convex Cylindrical Mirrors","imgUrl":"https:\/\/img.chinax.com\/nimg\/ea\/b3\/073b5da6906a50052d8233ddc53e-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":"Plano-convex","Shape":"Spherical","Materials":"BK7, Quartz, Infrared, Sapphire, Ge, Si, ZnSe, CaF2, etc.","Application":"Optical Elements","Diameter":"25 mm","Coating":"AR-coated","Surface quality":"60\/40 40\/20","Color":"Transparent","Description":"Bi-Telecentric Lens","Certificate":"ROHS","Focal length":"Custom Request","Size":"Customized Size","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%","Material":"Optical Glass","Operatingtemperature":"-20 to 70 \u00b0C","Filter Ring Color":"Black,Sliver,Gold","Coating Choice":"Green","Refractiveindex":"1.52","Focal Length":"150mm"}}