Za'a iya la'akari da zaɓin ruwan tabarau daga sassa uku: kayan aiki, aiki da ƙididdiga.
abu
Abubuwan gama gari sune: ruwan tabarau na gilashi, ruwan tabarau na guduro da ruwan tabarau na PC
Shawarwari: YARA masu aiki, daga la'akari da aminci, mafi kyawun zaɓi na ruwan tabarau na resin ko ruwan tabarau na PC, manyan marasa lafiya na myopia sun fi zaɓin ruwan tabarau na gilashi, za a iya zaɓar manya bisa ga bukatun mutum, yanayin tattalin arziki da ya dace da kayan ruwan tabarau.
Gilashin ruwan tabarau
Babban taurin, ruwan tabarau ba sauki don samar da tarkace ba, amma babu tauri, mai sauƙin karya lokacin bugawa;Babban nuna gaskiya, watsa haske na 92%;Ayyukan sinadarai masu tsattsauran ra'ayi, na iya tsayayya da tasirin kowane irin mummunan yanayi, kuma kada ku yi launi, kada ku shude;Amma mai rauni, nauyi mai nauyi, bai dace da matasa su sa ba.
Gudun ruwan tabarau
Ya fi sauƙi fiye da gilashi, rage matsa lamba na mai sawa ta hanyar madubi, mafi dadi;Tasirin juriya, ba mai sauƙin karyewa ba, ko da an karye a cikin kusurwar ɓoye, babu haɗari ga idanun ɗan adam;Ana iya rina su cikin launuka iri-iri, aikin hazo ya fi gilashi;Amma ruwan tabarau sa juriya ba shi da kyau, mai sauƙin karye, ƙarancin ƙima, in mun gwada da kauri fiye da takardar gilashin sau 1.2-1.3.
PC ruwan tabarau
Ƙarfin ƙarfi, ba sauƙin karya ba, juriya mai ƙarfi, babban juzu'i mai ƙarfi da ƙayyadaddun nauyi, rage girman ruwan tabarau, 100% kariya ta UV, shekaru 3-5 babu rawaya;Amma aiki ya fi wuya, saman yana da sauƙi don karewa, kwanciyar hankali na thermal ba shi da kyau, digiri 100 zai zama taushi.Ana amfani da ruwan tabarau na kayan PC gabaɗaya don tabarau, ƙarancin bayyana a cikin madubi na gani, a zahiri ana amfani da su zuwa gilashin lebur.
aiki
Ayyukan gama gari sun haɗa da: ruwan tabarau na aspheric, ruwan tabarau mai siffar zobe, ruwan tabarau na sunshade, ruwan tabarau na haske mai launin shuɗi, ruwan tabarau na anti-gajiya, ruwan tabarau mai mahimmanci, da sauransu bisa ga rayuwarsu da amfani da nau'in aikin ruwan tabarau daidai.
Ruwan tabarau na aspheric
Ruwan tabarau na aspheric yana haɓaka mayar da hankali.Ruwan tabarau na aspherical ruwan tabarau ne waɗanda radius na kowane aya a saman an ƙaddara ta hanyar ma'auni mafi girma na tsari.Radiyan samansa ya sha bamban da na ruwan tabarau na yau da kullun, don haka wajibi ne a canza saman ruwan tabarau don bin bakin ciki na ruwan tabarau.Zane-zanen da aka yi amfani da shi a baya yana ƙara ɓarnawa da lalacewa, yana haifar da bayyananniyar hotuna da ba a bayyana ba, karkataccen sararin sama, kunkuntar hangen nesa da sauran abubuwan da ba a so.Tsarin aspheric na yanzu yana gyara hoton, yana magance ɓarnawar sararin sama da sauran matsalolin, kuma yana sa ruwan tabarau ya zama mai haske, mai laushi da laushi, yana sa mai sawa ya fi kyau da kyau.
Gilashin ruwan tabarau
Spherical aberrations na mai siffar zobe ruwan tabarau.Lens mai siffar zobe shi ne wanda bangarorin biyu na ruwan tabarau masu siffar zobe ne, ko kuma daya bangaren mai siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar zuwa siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar zuwa girman girman girman girman.Gabaɗaya ya fi kauri, kuma ta hanyar ruwan tabarau don ganin abubuwan da ke kewaye da murdiya, nakasawa da sauran abubuwan mamaki, wanda ake kira aberration.Ta hanyar lura da mai sawa ta hanyar ruwan tabarau mai siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar, za a iya samuwa a fili.Gilashin ruwan tabarau yawanci suna dacewa da -400 digiri.Idan matakin ya fi girma, ruwan tabarau zai yi girma kuma matsa lamba akan hanci zai fi girma.Wannan kuma rashin lahani ne na ruwan tabarau mai siffar zobe idan aka kwatanta da ruwan tabarau na aspheric.
Gabaɗaya magana, idan aka kwatanta da ruwan tabarau na aspheric, ruwan tabarau na aspheric tare da kayan abu ɗaya da digiri yana da kyau, ɓacin rai, mafi zahiri, mafi dabi'a da kwanciyar hankali, wanda ke magance matsalar cewa ruwan tabarau na gargajiya yana da murdiya yayin kallon abubuwa a kusa.Lens na al'ada na al'ada yana iyakance filin gani na mai sawa, yayin da ruwan tabarau na aspheric yana rage ɓarna a gefen ƙasa, kuma faffadan kallonsa na iya biyan ƙarin bukatun abokan ciniki.
Blue haske mai toshe ruwan tabarau
ruwan tabarau masu toshe shuɗi sune tabarau waɗanda ke hana shuɗi haske daga fusatar da idanunku.Yana kare idanu daga lalacewar haske mai shuɗi ta hanyar toshewa da kuma nuna haske mai launin shuɗi mai ƙarfi mai ƙarfi ta hanyar ruwan tabarau na musamman.Gilashin haske na Anti-blue sun dace da mutanen da ke yawan yin wasa da kwamfuta da wayoyin hannu.
Ruwan tabarau na Sunshade
Wanda kuma aka sani da ruwan tabarau na hasken rana.Mutanen da ke cikin rana yawanci suna dogara ne da girman almajiri don daidaita yanayin hasken don guje wa lalacewar haske mai ƙarfi ga ido.Gabaɗaya an kasu kashi uku:
(1) ruwan tabarau masu canza launi:
Babban tasirin shine don kare idanu da kuma hana haɓakar haske mai ƙarfi.Ruwan tabarau ba su da launi a cikin gida, amma suna canzawa daga marasa launi zuwa masu launi lokacin fallasa ga haske mai ƙarfi a waje.Lokacin zabar launuka don ruwan tabarau masu canza launi, ana ba da shawarar koyaushe zaɓi launuka uku: tan, kore, da launin toka.Domin waɗannan launuka guda uku sun dace da ilimin halittar jiki na gani, suna haɓaka bambanci na gani da kaifi, kuma ba za su canza ainihin launi na wurin ba saboda ruwan tabarau.
(2) Ruwan tabarau masu tabo:
Don hana ƙaƙƙarfan kuzarin rana sakamakon lalacewar ido.Ana yin rina ruwan tabarau tare da launuka daban-daban ta hanyar takamaiman tsari don saduwa da buƙatun wurare daban-daban na gani.Gilashin ruwan tabarau ba su dace da amfani na cikin gida ba saboda suna iya tsoma baki tare da tasirin gani.FALALAR LAUNIYA WANDA ZAI IYA BAYAR GWAMNATIN MULKI NA YAU, MUTUM YANA SON KUMA YAYI AMFANI DA MAHALI DOMIN SANAR DA ZABIN LAUNIYA.
(3) Lens mai ɗaukar nauyi:
Ruwan tabarau wanda ke ba da damar haske kawai a cikin wani takamaiman yanayin da hasken halitta ya wuce.Don rage rashin jin daɗin gani da ke haifar da haske, ya fi dacewa da wasanni na waje.Misali: wasannin teku, gudun kan kankara da kamun kifi.
Ruwan tabarau mai jure gajiya
Babban ruwan tabarau na anti-gajiya yana ƙara + 50 ~ + 60 nauyin daidaitawa zuwa ruwan tabarau bisa ga ka'idar irin wannan yanki mai ci gaba, yana haɓaka hasken myopia, yana dawo da motsin microwave zuwa al'ada, dawo da ma'auni na tsarin daidaitawa na gilashin, kuma yana samun aikin ba tare da gajiyawa ba, don haka yana samun cikakkiyar "decompression" na idanu.
Ruwan tabarau mai yawa
Hakanan ana kiran ruwan tabarau na ci gaba da yawa, shine don nunawa a cikin ruwan tabarau iri ɗaya kawai a cikin yanki kuma kusan ƙarewa tsakanin, tare da diopter, canji a hankali daga nesa tare da hankali kusa da yin amfani da karatu zai zama haske sosai kuma kusan ƙarewa daga kwayoyin halitta. tare, don haka a kan ruwan tabarau a lokaci guda suna kallon nisa, nisa na tsakiya kuma ku rufe haske daban-daban da ake buƙata.
Ma'anar refractive
Ruwan tabarau na guduro yawanci suna da: 1.50, 1.56, 1.60, 1.67, 1.74 refractive index
Gilashin ruwan tabarau na gama gari suna da: 1.8 da 1.9 refractive index
Gabaɗaya, ruwan tabarau tare da fihirisa mafi girma yana samar da ruwan tabarau na bakin ciki.Tabbas, index ba shine kawai abin da ke ƙayyade kauri na ruwan tabarau ba.Nisan dalibi da girman firam suma suna shafar kaurin ruwan tabarau.Mafi girman nisa na ɗalibi, ƙarami da firam ɗin, mafi ƙarancin ruwan tabarau.Misali, idan ruwan tabarau na 1.56 kuma an zaɓi, ruwan tabarau mai nisa na 68mm ya fi sirara fiye da ruwan tabarau mai nisa na 58mm.Wannan shi ne saboda nisa da ruwan tabarau daga wurin mai da hankali, da kauri zai kasance.Koma zuwa madaidaicin zaɓi na madaidaicin zaɓi na ruwan tabarau mai jujjuyawa, gabaɗaya mafi girman ƙimar ƙimar ruwan tabarau shima ya fi girma, kauce wa zaɓin makaho na babban ruwan tabarau mai refractive.
Lokacin aikawa: Satumba-10-2022