Nrog txoj kev loj hlob sai ntawm kev lag luam hluav taws xob, cov kev xav tau rau kev ua tiav precision thiab qhov zoo ntawm cov khoom siv kho qhov muag tau nce siab dua. Kev ua tau zoo ntawm kev sib koom ua ke ntawm optical prisms txhawb cov duab ntawm prisms mus rau polygonal thiab cov duab tsis zoo. Yog li ntawd, nws tawg los ntawm cov tsoos Processing technology, ntau ingenious tsim ntawm kev khiav yog ib qho tseem ceeb heev.