1. Ukugqoka okanye ukususa ngesandla esinye kuya kulimaza ibhalansi yesakhelo kwaye kubangele ukuguqulwa.Kunconywa ukuba ubambe umlenze ngezandla zombini kwaye uyikhuphe ngendlela ehambelanayo kumacala omabini esihlathini.
2. Ukusonga umlenze wesobunxele ekuqaleni xa unxibe okanye ususa iigesi akulula ukwenza ukuguqulwa kwesakhelo.
3. Kungcono ukuhlamba iiglasi ngamanzi kwaye uyicime nge-napkin, uze usule iiglasi ngendwangu ekhethekileyo yeeglasi.Kuyimfuneko ukuxhasa umda wecala elinye le-lens kwaye usule ngobumnene i-lens ukuze ugweme umonakalo ngamandla amaninzi.
4. Ukuba awuzinxibi iindondo, nceda uzisongele ngelaphu leglasi kwaye uzifake kwibhokisi yeglasi.Ukuba ibekwe okwethutyana, nceda ubeke icala leconvex phezulu, kungenjalo liya kuba lula.Kwangaxeshanye, iiglasi kufuneka zithintele ukunxibelelana nezinambuzane, izixhobo zendlu yangasese, izinto zokuthambisa, isitshizi seenwele, iyeza kunye nezinye izinto ezonakalisayo, okanye zibekwe nokukhanya okuthe ngqo kwexesha elide kunye nobushushu obuphezulu (ngaphezulu kwe-60 ℃), kungenjalo, iiglasi. inokujongana nengxaki yokuwohloka kwesakhelo, ukuwohloka kunye nokuguquka kombala.
5.Nceda uhlengahlengise iiglasi rhoqo kwivenkile yobuchwephesha ukuze ugweme ukuguqulwa kwesakhelo kuba kunokubangela umthwalo empumlweni nasezindlebeni, kwaye i-lens kulula ukukhululeka nayo.
6. Xa usenza imidlalo, musa ukunxiba iiglasi ngenxa yokuba kunokubangela ukuphuka kwe-lens ngempembelelo enamandla, okubangela umonakalo wamehlo kunye nobuso;Musa ukusebenzisa i-lens eyonakeleyo kuba inokubangela ukulahleka kombono ngokukhanya okukhanyayo;Musa ukujonga ngqo elangeni okanye ukukhanya okurhabaxa ukuze uphephe umonakalo wamehlo.
Ixesha lokuposa: May-17-2023