Amalensi e-resin ajwayelekile ayizinto eziqinile ezishisayo, okungukuthi, izinto ezingavuthiwe ziwuketshezi, futhi amalensi aqinile akhiwa ngemuva kokushisa. Amalensi e-PC, abuye aziwe ngokuthi “ama-lens emkhathini”, “amalensi e-cosmic”, abizwa ngamakhemikhali ngokuthi i-polycarbonate, ayimpahla ye-thermoplastic.