lens nziza, ibikoresho nurufunguzo
Ibikoresho byinzira zifite uruhare runini mugukwirakwiza kwabo, kuramba hamwe numubare wa Abbe (ishusho yumukororombya hejuru yinzira). Irashobora gukora ubushakashatsi bwimbitse niterambere kubikoresho, hamwe nubwiza bugenzurwa nibikorwa byiza.
firime ya firime, kora lens byoroshye kwambara
Lens nziza ya firime irashobora guha lens imikorere myiza cyane, ntabwo imikorere ya optique gusa nka transmitance yatejwe imbere cyane, ubukana bwayo, kwihanganira kwambara, kuramba bizatera imbere cyane.