If you want to take some amazing pictures, or some basic optical research, or as a gift for kids friends lover etc. this high quality BK7 Optical Glass is highly recommended to you.
Each of the Triangular Prism Glass is made of lead free high quality K9 glass optically clear crystal and inspect by each QC team, make sure free of bubbles, distortions, color or inclusions.
The Clear Crystal Set are believed to clear our mind. Can add brightness and harmony to your life space or studio, also can use this Crystal Pyramid Sun catcher for decoration or teaching. Like showing the rainbow and science physics teaching photography crystal equilateral fractal spectrum prism.
- Weight: 100 g
- Size : 30x30x60 mm
Side Length: 30 mm
- Prism Length: 60 mm
- Material: Bk7(K9) optical glass, NOT plastic