{"product_id":"light-box-optical-set","title":"Light Box \u0026 Optical Set","description":"A Robust light box in matt black finish with a 12 V 24 W axial filament lamp with flexible leads. One end of the box takes a cylindrical convex lens in an adjustable sliding mount to enable production of convergent, parallel or divergent beams. Complete with accessories which consist of: 5 Plastic blocks, one rectangular, One semicircular, One equilateral prism 60° x 60° x 60°, One right angle prism 90° x 60° x 30° and one right angle prism 90° x 45° x 45°. 3 Cylindrical acrylic lenses: one double convex, one double concave, both having the same radius of curvature and one thick convex lens. 3 Mirrors, one plane glass, one curved parabolic and one curved semi-circular. 2 Slit plates, one with three narrow and one narrow slits, the other with four narrow and one wide slits 1 Set of eight colour filters, Red, Green, Blue, Cyan, Violet, Yellow, Orange and Magenta. 1 Set of coloured cards, Red, Green, Blue, Violet, Orange, Cyan, Yellow and Pink. Complete with one spare lamp, in box.","brand":"Supertek Science","offers":[{"title":"Default Title","offer_id":49975057318165,"sku":"SPSPH30407","price":187.89,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0857\/4897\/3845\/files\/PH30407.jpg?v=1781497376","url":"https:\/\/unitedsupplycorp.com\/products\/light-box-optical-set","provider":"United Supply Corp.","version":"1.0","type":"link"}