Amanani e-Achromatic Doublet Lenses i-china yi-lens esenziwa ngezinto ezimbili ezibonakalayo, inkomba ye-refractive ephansi (umqhele) nenkomba ephakeme ephezulu (i-flint).. Amanani e-Achromatic Doublet Lenses amanani e-China Achromatic Doublet Lenses ukwakhiwa okuphindwe kabili kunikeza umsebenzisi inkululeko eyengeziwe yokuklama futhi kuqhubeke Ukusebenza kwelensi uma kuqhathaniswa namalensi eyodwa aqukethe ucezu olulodwa lwengilazi.