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1.59 PC Blue Dulani magalasi a HMC Optical
Ma lens a PC, ma lens ambiri a resin ndi zida zopangira thermosetting, ndiye kuti, zopangira ndi zamadzimadzi, zimatenthedwa kuti zipange magalasi olimba. Chidutswa cha PC chimatchedwanso "space piece", "space piece", dzina la mankhwala ndi polycarbonate fat, ndi thermoplastic material. Ndiko kuti, zopangirazo zimakhala zolimba, zimatenthedwa pambuyo popanga magalasi, kotero mandalawa adzatenthedwa kwambiri pambuyo poti chinthu chomalizidwa chikhala chopunduka, chosayenerera chinyezi chambiri komanso nthawi zotentha.
Lens ya PC imakhala yolimba kwambiri, yosasweka (2cm itha kugwiritsidwa ntchito ngati galasi loletsa zipolopolo), motero amatchedwanso mandala achitetezo. Kukoka kwapadera kumangokhala 2 magalamu pa kiyubiki centimita, kupangitsa kuti ikhale yopepuka kwambiri yomwe imagwiritsidwa ntchito pamagalasi.
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1.71 Magalasi a Blue Cut HMC Optical
Magalasi otchinga abuluu ndi magalasi omwe amalepheretsa kuwala kwa buluu kuti zisakwiyitse maso anu. Magalasi apadera odana ndi buluu amatha kupatula kuwala kwa ultraviolet ndi cheza ndipo amatha kusefa kuwala kwa buluu, koyenera kugwiritsa ntchito pakompyuta kapena pa TV.
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1.67 MR-7 Blue Dulani HMC Optical magalasi
Magalasi owoneka bwino a buluu okhala ndi kutsekeka kopitilira 20% malinga ndi muyezo wa ISO akulimbikitsidwa kugwiritsa ntchito tsiku lililonse zida zowonetsera digito za LED monga ma TV, makompyuta, mapepala ndi mafoni. Ma lens odana ndi buluu okhala ndi kutsekereza kopitilira 40% malinga ndi muyezo wa ISO akulimbikitsidwa kuti azivala ndi anthu omwe amawonera chophimba kwa maola opitilira 8 patsiku. Chifukwa chosefera magalasi odana ndi buluu, mbali ya kuwala kwa buluu, chithunzicho chidzakhala chachikasu mukamayang'ana zinthu, tikulimbikitsidwa kuvala magalasi awiri, magalasi wamba omwe amagwiritsidwa ntchito tsiku ndi tsiku, ndi magalasi a anti-buluu. ndi kutsekereza mlingo wopitilira 40% pakugwiritsa ntchito zida zowonetsera ma LED monga makompyuta. Magalasi otsika (palibe digiri) odana ndi buluu amawonekera kwambiri pakati pa ogwiritsa ntchito omwe sali a myopic, makamaka kuvala maofesi apakompyuta, ndipo pang'onopang'ono amakhala mafashoni.
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1.74 Magalasi a Blue Coat HMC Optical
Galasi lamaso 1.74 limatanthawuza lens yokhala ndi index yowonekera ya 1.74, yomwe ili ndi index yotsika kwambiri pamsika, komanso yomwe ili ndi makulidwe a lens thinnest. Magawo ena kukhala ofanana, kuchuluka kwa refractive index, kuonda kwa lens, ndipo kudzakhala kokwera mtengo. Ngati digiri ya myopia ndi yoposa madigiri 800, imatengedwa kuti ndi yowonjezereka kwambiri, ndipo chiwerengero cha refractive cha 1.74 ndi choyenera.
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1.61 MR-8 Blue Cut Single Vision HMC Optical lens
1.60 imatanthawuza kuti refractive index of the lens ndi 1.60, pamwamba pa refractive index, thirakiti la lens la digiri yomweyo.
MR-8 ndi mandala a polyurethane resin.
1. Pakati pa ma lens onse a 1.60, mawonekedwe ake a kuwala ndi abwino kwambiri, ndipo nambala ya Abbe ikhoza kufika 42, zomwe zikutanthauza kuti kumveka bwino ndi kukhulupirika kwa kuwona zinthu kudzakhala kokwezeka;
2. Mphamvu zake zowonongeka zimatha kufika ku 80.5, zomwe ziri bwino kuposa zida za lens wamba;
3. Kukana kwake kutentha kumatha kufika 100 ℃, ntchitoyo imakhala yokhazikika, gawoli limakhalanso lochepa.
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1.71 Ma lens a Single Vision HMC Optical
1.71 lens Dzina lonse 1.71 refractive index lens, ndi mkulu refractive index, transmittance mkulu, mkulu Abbe chiwerengero makhalidwe, mu nkhani ya myopia digiri yomweyo, akhoza kwambiri kuchepetsa makulidwe a mandala, kuchepetsa khalidwe la mandala, nthawi yomweyo. nthawi, kupanga disolo kukhala koyera ndi kowala, kosavuta kumwazikana utawaleza njere. Zimapezeka kuti kuwonjezera utomoni wa cyclic sulfide mu mandala amatha kusintha mawonekedwe a lens, koma kuchulukitsitsa kwa cyclic sulfide resin kumapangitsa kuchepetsa kufalikira kwa kuwala ndi kuwonongeka kwa zinthu. Poyang'anira bwino zomwe zili mu ring sulfure resin mu 1.71KR resin, lens ya 1.71 imakwaniritsa index yowoneka bwino komanso nambala ya abbe ndikuwonetsetsa kufalikira kwabwino, kufalikira kochepa komanso kuwona bwino.
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1.56 Masomphenya Amodzi HMC
Magalasi, mandala amatchedwanso mirror center, ndi malo opaka utoto pambuyo pa kukwera, oyenera kumangirira pagalasi, choncho amatchedwa galasi pakati. Mawonekedwe ake akhoza kukhala opingasa, ofukula, ndikuyika kosavuta, kosavuta.
Gulu: Magalasi amatha kugawidwa m'mitundu inayi molingana ndi zida zosiyanasiyana:
Utomoni mandala apadera mandala mandala mandala galasi mandala
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1.49 Masomphenya Amodzi UC
Mlozera wa refractive wa mandala, 1.49, 1.56, 1.60, 1.67, 1.71, 1.74 pamwamba pa lens umatanthawuza index refractive ya mandala. Kwa magalasi a myopic, chiwerengero cha refractive cha lens chimakhala chokwera kwambiri, chochepa kwambiri m'mphepete mwa lens, poganiza kuti magawo ena ali ofanana.
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Magalasi a magalasi a CR39
Magalasi adzuwa ndi mtundu wa zinthu zosamalira masomphenya pofuna kupewa kuwonongeka kwa maso a anthu chifukwa cha kuwala kwa dzuwa. Ndi kusintha kwa zinthu za anthu ndi chikhalidwe cha anthu, magalasi a dzuwa angagwiritsidwe ntchito ngati zipangizo zapadera za kukongola kapena kalembedwe kaumwini.
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1.74 MR-174 FSV High Index HMC kuwala magalasi
Nthawi zambiri, tikamalankhula index ya utomoni mandala, zimachokera 1.49 – 1.56 – 1.61 – 1.67 – 1.71 – 1.74. Kotero mphamvu yomweyo, 1.74 ndi thinnest, apamwamba mphamvu, zotsatira zoonekeratu.
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1.67 MR-7 FSV High Index HMC kuwala magalasi
1.67 index mandala nthawi zambiri imakhala ndi zida zamitundu iwiri, zinthu za MR-7 ndi MR-10.
Koma zinthu za MR-7 ndizomwe zimagwiritsidwa ntchito kwambiri komanso zodziwika bwino kuposa zinthu za MR-10.
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1.61 MR-8 FSV High Index HMC kuwala magalasi
1.61 index mandala nthawi zambiri amalekanitsa mitundu iwiri,1.61 MR-8 mandala ndi 1.61 Acrylic mandala.
1.61 MR-8 mandala adzakhala omasuka mukavala, chifukwa cha Abbe Value yake yabwino:41.
