Kev ntsuas qhov yuam kev yog qhov tsis muaj tseeb vim peb cov khoom yog xuas tes ua,
Yog tias koj xav tau cov khoom lag luam nrog kev ntsuas meej, thov hu rau peb ua ntej.
-Cov xim ntawm peb cov dluab yog kho los ntawm cov kws saib xyuas uas yog tib yam li cov khoom tiag.Txawm li cas los xij, cov chromatic aberration muaj tshwm sim vim muaj cov khoom siv sib txawv.Yog tias koj muaj qhov yuav tsum tau ua nruj me ntsis rau xim, thov hu rau peb ua ntej kom paub meej cov xim.