Daban-daban ƙayyadaddun ƙayyadaddun ƙayyadaddun gilashin gani mai lebur convex mai mai da hankali ruwan tabarau
Menene GirmamawaGilashin Lens?
Su ne maɗaukakin ruwan tabarau da aka yi da ruwan tabarau na gilashi, kamar Green gilashin, ruwan tabarau na gilashin gani, K9, da sauransu.kayan gilashin na gani yana da ingantacciyar barga kuma ma'aunin jiki yana da matsakaici.Ba zai tsufa da sauƙi a cikin dogon lokacin amfani da kuma saman yana da sauƙin bi da shi, a lokaci guda, maɗaukakin gilashin kuma zai iya samun ƙarin madaidaicin maganin rufe fuska, wanda zai iya cimma sakamako mafi girma da yawa, watsawa mai girma, jigilar infrared da anti-infrared. ultraviolet, da dai sauransu.
Gilashin da aka fara amfani da shi don yin ruwan tabarau shine kumbura akan gilashin taga na yau da kullun ko kwalabe na giya.Siffar tana kama da "kambi", daga abin da sunan gilashin kambi ko gilashin kambi ya fito.A lokacin, gilashin bai yi daidai ba kuma yana kumfa.Bugu da ƙari ga gilashin kambi, akwai wani nau'in gilashin dutse mai mahimmanci tare da babban abun ciki na gubar.Kusan 1790, Pierre Louis Junard, Bafaranshe, ya gano cewa miya gilashin motsa jiki na iya yin gilashi tare da nau'in nau'i.A cikin 1884, Ernst Abbe da Otto Schott na Zeiss sun kafa Schott glaswerke Ag a Jena, Jamus, kuma sun haɓaka da yawa na gilashin gani a cikin ƴan shekaru.Daga cikin su, ƙirƙirar gilashin rawanin barium tare da babban ma'anar refractive shine ɗayan mahimman nasarorin masana'antar gilashin Schott.
Bangaren:
Gilashin gani yana gauraye da oxides na silicon high-tsarki, boron, sodium, potassium, zinc, gubar, magnesium, calcium, barium, da dai sauransu bisa ga takamaiman dabara, narke a babban zafin jiki a cikin wani platinum crucible, zuga a ko'ina tare da ultrasonic kalaman don cire kumfa;Sa'an nan kuma kwantar da hankali a hankali na dogon lokaci don kauce wa damuwa na ciki a cikin shingen gilashi.Dole ne a auna shingen gilashin da aka sanyaya ta kayan aikin gani don bincika ko tsafta, bayyananniyar gaskiya, daidaito, fihirisar ratsawa da fihirisar watsawa sun hadu da ƙayyadaddun bayanai.Gilashin da ya cancanta yana zafi kuma an ƙirƙira shi don samar da ruwan tabarau mai ƙaƙƙarfan amfrayo.
Rabewa:
Gilashin da ke da nau'ikan sinadarai iri ɗaya da kaddarorin gani ana rarraba su a wurare kusa da zanen abet.Abettu na masana'antar gilashin Schott yana da saitin madaidaiciyar layi da lanƙwasa, wanda ya raba abettu zuwa wurare da yawa kuma ya rarraba gilashin gani;Alal misali, gilashin rawanin K5, K7 da K10 suna cikin zone K, kuma gilashin flint F2, F4 da F5 suna cikin zone F. Alamomi a cikin sunayen gilashi: F yana nufin dutse, K na kambi, B na boron, ba don barium. , LA don lanthanum, n don rashin gubar da P don phosphorus.
Don ruwan tabarau na gilashi, mafi girman kusurwar kallo, girman girman hoton, kuma mafi girman iya bambanta cikakkun bayanai na abu.Matsawa kusa da abu na iya ƙara kusurwar kallo, amma an iyakance shi da iyawar ido.Yin amfani da gilashin ƙara girma don sanya shi kusa da ido, da sanya abu a cikin abin da ya fi mayar da hankali don samar da hoto mai kama da gaskiya.
Ayyukan gilashin haɓakawa shine haɓaka kusurwar kallo.A tarihi, an ce grosstest, bishop na Ingila a ƙarni na 13 ne ya ba da shawarar yin amfani da gilashin girma.
Gilashin ruwan tabarau ya fi karce juriya fiye da sauran ruwan tabarau, amma nauyinsa yana da nauyi sosai, kuma ma'anarsa mai ɗaukar nauyi yana da girma: fim na yau da kullun shine 1.523, fim ɗin bakin ciki ya fi 1.72, har zuwa 2.0.
Babban albarkatun kasa na gilashin gilashi shine gilashin gani.Indexididdigar da ke nuna ta ya fi na lens ɗin guduro sama, don haka a ƙarƙashin digiri ɗaya, ruwan tabarau na gilashi ya fi siraɗin ruwan guduro.Gilashin ruwan tabarau yana da kyakyawar watsa haske da kayan aikin injiniya da sinadarai, madaidaicin juzu'i na yau da kullun da barga na zahiri da sinadarai.Ruwan tabarau mara launi ana kiransa tire mai farin gani (fararen fim), kuma fim ɗin ruwan hoda a cikin fim ɗin launin ruwan ana kiransa ruwan tabarau croxay (fim ɗin ja).Ruwan tabarau na Croxay na iya ɗaukar haskoki na ultraviolet kuma ɗan ƙaramin haske mai ƙarfi.
Takardun gilashin yana da mafi girman kaddarorin gani, ba shi da sauƙi a karce, kuma yana da babban fihirisa refractive.Mafi girman ma'aunin refractive, mafi ƙarancin ruwan tabarau.Amma gilashin yana da rauni kuma kayan yana da nauyi sosai.
Wanne ruwan tabarau ake amfani dashi a gilashin ƙara girma?
Convex ruwan tabarau
Gilashin haɓakawa wani nau'in ruwan tabarau ne da ake amfani da shi don sa abu ya bayyana da yawa fiye da yadda yake a zahiri.Wannan yana aiki lokacin da aka sanya abu a nesa ƙasa da tsayin daka.
Menene girman gilashin ƙara girman da nake buƙata?
Gabaɗaya magana, 2-3X magnifier yana ba da babban filin kallo shine mafi kyau ga ayyukan dubawa kamar karatu, yayin da ƙaramin filin da ke da alaƙa da haɓakawa mafi girma zai fi dacewa don bincika ƙananan abubuwa.
