lens maikaʻi, mea ke kī
He mea koʻikoʻi ka waiwai o ka lua o nā lens i kā lākou transmittance, lōʻihi a me ka helu Abbe (ke ʻano anuenue ma ka ʻili o ka lens). Hiki iā ia ke hana i ka noiʻi hohonu a me ka hoʻomohala ʻana i nā mea waiwai, me ka maikaʻi hiki ke hoʻopaʻa ʻia a me ka hana maikaʻi loa.
papa kiʻiʻoniʻoni, e maʻalahi ka lens e komo
Hiki i ka papa kiʻiʻoniʻoni maikaʻi ke hāʻawi i ka lens i ka hana maikaʻi loa, ʻaʻole wale ka hana optical e like me ka transmittance i hoʻomaikaʻi nui ʻia, ʻo kona paʻakikī, ʻaʻahu kūʻē, e hoʻomaikaʻi nui ʻia ka lōʻihi.