ʻO nā lens resin maʻamau he mau mea paʻa wela, ʻo ia hoʻi, he wai nā mea maka, a hoʻokumu ʻia nā lens paʻa ma hope o ka hoʻomehana ʻana. ʻO nā lens PC, i ʻike ʻia hoʻi he "lens space", "lens cosmic", i kapa ʻia ʻo polycarbonate, he mea thermoplastic.