ir filter for laser fairing window

{"cid":"91201126","title":"Infrared Transmitting BK7 Glass Filter Optical Lens with 150mm Focal Length for Laser and Imaging Applications","imgUrl":"https:\/\/img.chinax.com\/nimg\/c5\/e4\/dd4bf21b3f1993ec2b67001a9dd2-200x200-1.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","Payment Terms":"T\/T&L\/C","Supply Ability":"1000k\/per month","Packaging Details":"EVA+Vacuum","Certification":"ROHS\\Reach","Customized support":"OEM, ODM","Use":"optical","Material":"Optical Glass","Focal length":"+\/-3000mm","Coating":"Upon request","Diameter tolerance":"+\/-0.005","Thickness tolerance":"+\/-0.01","Surface quality":"10\/5~60\/40","Surface Accuracy":"N=1~3","Application area":"Lighting,Laser etc","Interface Type":"Canon EF-S","Diameter":"25 mm","Centerthickness":"5 mm","Width Tolerance":"+\/-0.01mm","Style":"Antique","Shape":"Spherical","Focal Length Tolerance":"+\/-1%","Operatingtemperature":"-20 to 70 \u00b0C","Filter Ring Color":"Black,Sliver,Gold","Coating Choice":"Green","Refractiveindex":"1.52","Focal Length":"150mm"}}