The following videos show the results of drop tests perfomed by Younger Optics on CR-39, Spectralite, 1.60, Polycarbonate, and Trivex. All tests were perfomed using a 500g missile with a 1 mm point. The lenses tested were all front-side coated with a center thickness of 2 mm. The CR-39, Spectralite, and 1.60 product were tested from a drop height of 50 inches, while the Poly and Trivex were tested from a drop height of 75 inches.
CR-39 Drop Test Video
Spectralite Drop Test Video
1.60 Drop Test Video
Polycarbonate Drop Test Video
Trivex (Trilogy) Drop Test Video