n bk7 reflective neutral density filter

{"cid":"91213983","title":"400-1100nm Optical Glass Filters N-BK7 Reflective Neutral Density Filter","imgUrl":"https:\/\/img.silkroadsl.com\/nimg\/2a\/a3\/5322f605bce08e0f81c0b33ed1fd-200x200-1.jpg","attrs":{"Price":"Negotiable","Brand Name":"STAR OPTIC","Model Number":"NDF-R","Minimum Order Quantity":"Negotiable","Delivery Time":"Negotiable","Certification":"RoHS, ISO9001","Place of Origin":"Wuhan, China","Payment Terms":"T\/T, Western Union, Paypal","Supply Ability":"50000pcs\/Month","Packaging Details":"Safe and dust-free packing","Product Name":"Reflective Neutral Density (ND) Filter","Wavelength":"400-1100nm","Coating material":"Inconel coating","Applications":"low-power","Substrate":"N-BK7, UVFS","Diameter":"25.4mm","Optical Density":"0.1~4.0"}}

{"cid":"91197442","title":"HD Resolution 6 Stop 77mm 1.5mm Nd100000 Filter","imgUrl":"https:\/\/img.silkroadsl.com\/nimg\/e2\/40\/0c461e2999d541525f9e43c12644-200x200-1.jpg","attrs":{"Price":"$5.82 - $15.78 \/ Piece","Brand Name":"OEM\/ODM","Model Number":"ND filter","Minimum Order Quantity":"100","Delivery Time":"25~35 Working day","Place of Origin":"Guangdong, China","Payment Terms":"T\/T","Supply Ability":"100000 Pieces \/Month","Packaging Details":"Blister box\/other","Certification":"ROHS","Name":"ND filter","Type":"Round ND Filter","Size":"\u03a637~\u03a6150mm\/Others","Glass material":"AGC\/Germany SCHOTT\/Corning and other designated brands","Glass thickness":"0.55mm~1.5mm\/Others","Filter resolution":"HD Resolution","Frame material":"Aluminum\/Copper","Frame interface":"Thread\/Magnetic","Frame thickness":"3.9-7.0mm(Thickness can be customize)","Printing method":"Laser engraving\/Screen printing"}}