Likhalase tsa optical tsa feshene ke ntho e hlokahalang indastering ea kajeno ea feshene. Hase feela hore li ka ntlafatsa ponahalo ea motho empa hape li ka sireletsa mahlo ka katleho. Likhalase tsa rona tsa sejoale-joale ha lia etsoa hantle feela empa li entsoe ka thepa ea boleng bo holimo, e netefatsang hore li lekana hantle. A re shebeng lihlahisoa tsa rona hammoho!

Pele ho tsohle, likhalase tsa rona tsa feshene tsa optical li kenyelletsa moralo oa foreimi ea feshene e loketseng batho ba mefuta e mengata. Re ka lumellana le litlhoko tsa hau hore na u batla ho latela mekhoa ea feshene kapa u khomarela mekhoa ea khale. Re fana ka khetho ea liforeimi tsa mebala le likhetho tsa lense e le hore o ka lumellana le litakatso tsa hau le ho hlahisa setaele sa hau se ikhethileng.

Ea bobeli, likhalase tsa rona tse tloaelehileng tsa optical li entsoe ka acetate, thepa e tšoarellang le e tsitsitseng haholoanyane. Boitsebiso bona ha bo bobebe ebile bo bonolo feela, empa bo boetse bo hanyetsa ka katleho ho senyeha le ho senya, ho u lumella ho apara nako e telele ntle le ho se khathatsehe.

Ho feta moo, likhalase tsa rona tsa sejoale-joale li na le mohaho o matla le o tšoarellang oa hinge oa tšepe ho netefatsa botsitso le ho tšoarella ha likhalase. Ho sa tsotellehe hore na e sebelisoa kamehla kapa nakong ea lipapali, e ka boloka boemo bo tsitsitseng, kahoo ha ho hlokahale hore u tšoenyehe ka boleng ba likhalase.

Qetellong, re fana ka phetoho e kholo ea sebopeho sa LOGO, e u lumellang hore u e hlophise ho latela litlhoko tsa hau le ho hlahisa tatso le setaele sa hau.

Ka bokhutšoanyane, likhalase tsa rona tsa feshene tsa optical ha li na moralo o babatsehang feela le phihlelo ea ho apara hantle, empa li boetse li sebelisa thepa ea boleng bo phahameng le moralo o matla ho u fa phihlelo e feletseng ea pono. Re ka khotsofatsa litlhoko tsa hau 'me ra u fa pono e hlakileng le e tloaelehileng, ebang ke ea tšebeliso ea letsatsi le letsatsi kapa e lumellanang le mokhoa oa hau oa feshene. Khetha likhalase tsa rona tse fesheneng tsa optical ho etsa hore mahlo a hau a shebahale a khahla le ho feta!