36 sided optical prism for experiments

{"cid":"91223678","title":"36 Sided Precision Optical Prism \u03a6150mm for Scientific Experiments","imgUrl":"https:\/\/img.ismap.com\/nimg\/a8\/5a\/5d3a5a7a834eaf674e675344813b-200x200-1.jpg","attrs":{"Price":"3000~5000 USD","Brand Name":"SPR-ing","Minimum Order Quantity":"1 piece","Delivery Time":"1~3 weeks","Place of Origin":"Shenzhen","Payment Terms":"L\/C,T\/T","Supply Ability":"500\/month","Packaging Details":"Carton","Transparency":"Transparent","Color":"Clear","Refractive Index":"1.5","Application":"Optical Experiments","Number Of Sides":"36","Rotating center aperture":"\u03c625mm","Circumscribed circle diameter":"\u03a6150mm","Flatness of datum plane":"Grade 0 (Grade II): \u2264 1um"}}