Kev soj ntsuam ntawm phau ntawv qhia kev yuav looj tsom iav dub

Cov looj tsom iav dub yog ib yam khoom siv saib xyuas qhov muag kom tsis txhob muaj zog ntawm lub hnub ci los ntawm kev puas tsuaj rau tib neeg lub qhov muag, thiab lawv kuj yog cov khoom siv tshwj xeeb rau kev zoo nkauj lossis tus kheej style. Cov neeg yuav xaiv looj tsom iav dub raws li kev xav tau sib txawv.
Txawm li cas los xij, qee tus neeg feem ntau tsis xis nyob tom qab yuav cov looj tsom iav dub, lossis ntsib teeb meem nrog cov iav zoo. Cov kws kho qhov muag ceeb toom cov pej xeem kom xyuam xim rau cov ntsiab lus hauv qab no thaum yuav looj tsom iav dub:
1. Ua ntej, xyuas qhov zoo ntawm lub lens kom pom tias qhov chaw ntawm lub lens yog du, seb puas muaj warping, khawb, lossis npuas. Warping ntawm lub lens yuav ua rau kev sib txawv ntawm kev pom, thiab qhov tsis sib xws lossis cov cim thiab npuas yuav ua rau kiv taub hau thiab lwm yam tsis xis nyob. Nws tseem yuav tsum tau muab sau tseg tias lub lens yuav tsum tsis txhob nyias dhau, txwv tsis pub kub deformation kuj yuav ua rau kiv taub hau.
2. Koj tuaj yeem tuav cov looj tsom iav qhov deb 45 cm ntawm koj ob lub qhov muag, saib xyuas cov kab ntsug thiab kab rov tav nyob ib puag ncig los ntawm cov iav, xws li cov qhov rais thav duab lossis lub qhov rooj thav duab, thiab tom qab ntawd txav cov tsom iav mus rau pem hauv ntej thiab rov qab. Yog hais tias txoj kab ncaj nraim yog distorted los yog swaying, nws txhais tau hais tias lub lens yog deformed thiab yuav tsum tsis txhob yuav.
3. Cov looj tsom iav dub kuj muaj qhov taw qhia tseem ceeb, lub teeb xa hluav taws xob, uas yog qhov sib piv ntawm cov luminous flux dhau los ntawm lub lens mus rau qhov xwm txheej luminous flux, thiab tseem yog ib qho tseem ceeb ntawm kev ua tau zoo qhia los ntawm tus qauv yuav tsum tau ua. Yog tias cov looj tsom iav dub siv rau lub hnub ci, tus neeg hnav yuav tsis muaj peev xwm tau txais cov nyhuv sunshade. Kev siv sunshades raws li lub teeb-xim looj tsom iav dub yuav cuam tshuam rau tus neeg hnav qhov pom kev pom tseeb.
4. Muab cov looj tsom iav dub tso rau pem hauv ntej ntawm koj ob lub qhov muag thiab saib cov hom phiaj nyob deb, xws li cov qhov rais thav duab lossis qhov rooj qhov rooj, los ntawm cov lo ntsiab muag. Tom qab ntawd txav cov iav nce thiab nqis, pem hauv ntej thiab rov qab. Lub hom phiaj yuav tsum tsis txhob viav vias lossis wavy. Koj tuaj yeem soj ntsuam cov duab ntawm lub teeb raj ntawm qhov chaw ntawm lub looj tsom iav dub hauv qab lub teeb fluorescent. Tig lub looj tsom iav kom pom cov duab ntawm lub teeb raj pom nyob rau hauv ntau qhov chaw ntawm lub lens. Nws yog qhov zoo tshaj yog tias cov duab ntawm lub teeb lub raj tsis deformed. Qee lub looj tsom iav dub polarized hauv khw siv cov lo ntsiab muag polarized nrog lub thickness ntawm 0.7mm. Vim tias cov lo ntsiab muag nyias nyias, lawv tau yooj yim deformed thaum sib dhos. Kev saib xyuas tshwj xeeb yuav tsum tau them thaum yuav khoom.
5. Cov xim ntawm lub lens yuav tsum tsis txhob muaj kev sib tw, thiab cov xim ntawm ib puag ncig yuav tsum tsis txhob cuam tshuam. Ua ntej hnav looj tsom iav dub, saib cov khoom ntawm liab, ntsuab, daj thiab lwm yam xim ua ntej, ces muab looj tsom iav dub thiab saib tib yam khoom. Cov xim ntawm ob qhov kev soj ntsuam yuav tsum tsis txhob muaj kev ncaj ncees, txwv tsis pub lub peev xwm los txheeb xyuas lub teeb tsheb yuav raug txo. Rau cov looj tsom iav dub nrog cov xim lo ntsiab muag, tshwj xeeb tshaj yog cov xim ci, yuav tsum tau them nyiaj rau kev txheeb xyuas cov khoom no.