Kho qhov muag

Qhov muag lub lens yog lub lens ua los ntawm iav kho qhov muag.Lub ntsiab lus ntawm kho qhov muag iav yog lub khob nrog cov khoom siv kho tshiab ntawm cov khoom lag luam xws li kev hloov chaw thiab kev nqus lub teeb.Cov iav uas tuaj yeem hloov pauv cov kev taw qhia ntawm lub teeb thiab cov txheeb ze faib tawm ntawm Ultraviolet, pom lossis lub teeb infrared.Hauv qhov kev txiav txim nqaim, optical iav yog hais txog cov iav tsis muaj xim;Nyob rau hauv ib qho kev pom dav, kho qhov muag iav kuj tseem suav nrog iav kho qhov muag iav, cov iav hluav taws xob tawm, cov iav hluav taws xob tawm, cov iav hluav taws xob thiab tsom iav duab.Yuav siv kho qhov muag kho qhov muag siv tau los tsim cov lenses, prisms, tsom iav thiab lub qhov rais hauv cov twj kho qhov muag.Cov tib yam muaj xws li ntawm cov iav kho qhov muag yog qhov tseem ceeb ntawm cov twj paj nruag.

Lub iav thaum chiv thawj siv los ua cov ntsiab muag yog cov pob ntawm lub khob ci decient iav lossis khob caw.Cov duab zoo ib yam li "crown", los ntawm lub npe ntawm crown iav lossis yas phaj iav los.Lub sijhawm ntawd, cov iav tau tsis ncaj thiab ua npuas ncauj.Ntxiv nrog rau lub hnab yas, muaj lwm yam ntawm cov iav flint nrog cov ntsiab lus txhuas siab.Nyob ib ncig ntawm 1790, Pierre Louis Junnard, ib tug Fabkis, pom tias stirring iav sauce yuav ua rau iav nrog cov kev hloov pauv.Xyoo 1884, Ernst Abbe thiab Otto Scrast Tsim ScaswerkeArce AG hauv Jena, lub teb chaws Yelemees, thiab tsim kho kho qhov tsom iav rau ob peb xyoos.Ntawm lawv, qhov tsim muaj ntawm Barium Crown iav nrog lub siab tshiab index yog ib qho ntawm cov kev ua tiav tseem ceeb ntawm schott iav Hoobkas.

Cov iav kho qhov muag yog sib xyaw nrog cov roj ntshav siab, cov tshuaj tsw qab, cov tshuaj tsw qab raws li cov platinum, dofredy li tusyees nrog ultrasonic yoj kom tshem cov npuas ;Tom qab ntawd txias txias qeeb rau lub sijhawm ntev kom tsis txhob muaj kev ntxhov siab sab hauv hauv lub khob thaiv.Lub khob txias qhib yuav tsum tau ntsuas los ntawm cov twj tshuaj kho qhov muag tau tshawb xyuas seb puas muaj kev sib cav, cov kev sib dhos, cov ntsuas ntsuas tsis zoo thiab ntsuas qhov ntsuas cov lus qhia.Lub iav thaiv tau tsim nyog yog rhuab thiab forged los ua tus kho qhov muag lub lens ntxhib embryo.