where to buy a prism

{"cid":"91199509","title":"12x50 HD Hunting Durable Bird Watching Telescope BAK4 Prism FMC For Adults","imgUrl":"https:\/\/img.chinax.com\/nimg\/ef\/a9\/8e6730da8ba5559426ed83825d16-200x200-1.jpg","attrs":{"Price":"negotiable","Brand Name":"CTWR","Model Number":"ymt19","Minimum Order Quantity":"10pcs","Delivery Time":"5-8 work days","Certification":"CE,FCC,ROHS","Place of Origin":"China","Payment Terms":"L\/C, D\/A, D\/P, T\/T, Western Union, MoneyGram","Supply Ability":"10000pcs\/month","Packaging Details":"can be customized","Magnification":"12x","Objective lens":"50mm","Eyepiece lens":"23mm","Exit pupil dia":"4.4mm","Exit pupil dis":"10.26mm","Field of view":"258ft\/1000yards","Coating":"FMC","Prism":"Bak4"}}

{"cid":"91201126","title":"Color Optical Prism Dichroic Optical Acrylic Glass Composite Buy Beam Splitter Cube Prism","imgUrl":"https:\/\/img.chinax.com\/nimg\/a3\/bc\/5d48f06934cb2c4c4005e8e887f1-200x200-1.jpg","attrs":{"Price":"$100.00\/Pieces 10-99 Pieces","Brand Name":"advance","Model Number":"005","Minimum Order Quantity":"10 Pieces","Warranty":"-","Customized support":"OEM, ODM","Place of Origin":"Shanghai, China","Material":"BK7 and other optical glass, BK7 and other optical glass,quartz,sapphire,Ge,Si,ZnSe,CaF2 etc","Surface Quality":"60\/40","Dimension Tolerance":"+\/-0.01mm","Angle Tolerance":"3\"~2'","Flatness":"N=1~3","length":"3-100mm","Width":"3-100mm","Height":"3-100mm","Length tolerance":"+\/-0.01mm","Width tolerance":"+\/-0.01mm","Angle tolerance":"3\"-2'","Surface quality":"10\/5~60\/40","Application area":"Imaging,Lighting,Laser etc","Coating":"Upon request","Packaging Details":"Vacuum+EVA+Carton","Port":"shanghai","Supply Ability":"10000000 Piece\/Pieces per Month"}}

{"cid":"91224346","title":"High Quality 30mm Dark Green Smooth Hanging Crystal Ball For Decoration","imgUrl":"https:\/\/img.chinax.com\/nimg\/1b\/7c\/77b1a644fcb096de31f1bcd23aee-200x200-1.jpg","attrs":[]}