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  • Magalasi Owonera a Semi Finished 1.56 Opukutidwa ndi Chithunzi cha Imvi

    Magalasi Owonera a Semi Finished 1.56 Opukutidwa ndi Chithunzi cha Imvi

    Lenzi yagalasi ya lenzi yosintha mitundu ili ndi kuchuluka kwa siliva chloride, sensitizer ndi mkuwa. Pansi pa kuwala kwafupi, imatha kusungunuka kukhala ma atomu asiliva ndi ma atomu a chlorine. Ma atomu a chlorine alibe mtundu ndipo ma atomu asiliva amakhala ndi utoto. Kuchuluka kwa ma atomu asiliva kumatha kupanga mkhalidwe wa colloidal, womwe timawona ngati kusintha kwa mtundu wa lenzi. Kuwala kwa dzuwa kukakhala kolimba, ma atomu asiliva ambiri amalekanitsidwa, lenziyo idzakhala yakuda kwambiri. Kuwala kwa dzuwa kukakhala kofooka, ma atomu asiliva ochepa amalekanitsidwa, lenziyo idzakhala yopepuka. Palibe kuwala kwa dzuwa mwachindunji mchipindamo, kotero ma lenziwo amakhala opanda mtundu.

  • Magalasi Owonera a 1.56 Opangidwa ndi Semi Finished Blue Cut Progressive Photo imvi

    Magalasi Owonera a 1.56 Opangidwa ndi Semi Finished Blue Cut Progressive Photo imvi

    Resin ndi mankhwala okhala ndi kapangidwe ka phenolic. Lens ya resin ndi yopepuka, yolimba kutentha kwambiri, yolimba kukana kugwedezeka sikophweka kuswa, yosweka komanso ilibe m'mbali ndi ngodya, yotetezeka, imatha kuletsa kuwala kwa ultraviolet, lens ya resin ndi mtundu wa magalasi omwe anthu omwe ali ndi myopia amakonda kwambiri pakadali pano.

  • Magalasi Owonera a Semi Finished Progressive 1.56 Optical Gray

    Magalasi Owonera a Semi Finished Progressive 1.56 Optical Gray

    Chizindikiro cha refractive cha lens ndi chokwera, ma lens opyapyala, kuchuluka kwa ma lens kumakhala kwakukulu, kuuma kumakhala bwino, m'malo mwake, chizindikiro cha refractive chotsika, lens imakhala yokhuthala, kuchuluka kwa ma lens kumakhala kochepa, kuuma kumakhala kofooka, galasi lamphamvu kwambiri, kotero chizindikiro cha refractive nthawi zambiri chimakhala pafupifupi 1.7, ndipo kuuma kwa filimu ya resin kumakhala kofooka, chizindikiro cha refractive ndi chochepa, chidutswa cha resin chomwe chili pamsika pakadali pano ndiye chizindikiro chodziwika kwambiri cha refractive cha 1.499 kapena kuposerapo, Mtundu woonda kwambiri ndi wabwino pang'ono, womwe uli ndi chizindikiro cha refractive cha pafupifupi 1.56 ndipo umagwiritsidwanso ntchito kwambiri.

  • Magalasi owonera a 1.56 Semi Finished Blue Cut Porgressive

    Magalasi owonera a 1.56 Semi Finished Blue Cut Porgressive

    Magalasi a Multifocal ali ndi njira zazifupi komanso njira zazitali. Kusankha njira ndikofunikira. Kawirikawiri, choyamba timaganizira zosankha njira zazifupi, chifukwa njira zazifupi zimakhala ndi malo ambiri owonera, zomwe zimagwirizana ndi moyo wa anthu omwe nthawi zambiri amayang'ana mafoni awo. Kusiyana pakati pa maso ndi kwakukulu, maso a anthu amatha kusinthasintha pang'ono, ndi oyeneranso njira zazifupi. Ngati wogula akuvala multi-focus koyamba, akufuna mtunda wapakati, ndipo Add ndi yayikulu, ndiye kuti njira zazitali zitha kuganiziridwa.

  • 1.56 Semi Finished Blue Cut Bifocal Photo imvi optical lens

    1.56 Semi Finished Blue Cut Bifocal Photo imvi optical lens

    Pansi pa kuwala kwa dzuwa, mtundu wa lenzi umakhala wakuda ndipo kuwala kumachepa pamene kuwalako kumayatsidwa ndi kuwala kwa ultraviolet ndi kuwala kooneka kwa mafunde afupi. Mu lenzi yamkati kapena yamdima kuwalako kumawonjezeka, kumazimiririka kukhala kowala. Chithunzi cha ma lenzi chimakhala chodziwikiratu ndipo chimasinthika. Magalasi osintha mitundu amatha kusintha kuwalako kudzera mu kusintha kwa mtundu wa lenzi, kuti diso la munthu lizitha kusintha malinga ndi kusintha kwa kuwala kwa chilengedwe, kuchepetsa kutopa kwa maso, ndikuteteza maso.

  • 1.56 Semi Finished Bifocal Photo imvi optical lens

    1.56 Semi Finished Bifocal Photo imvi optical lens

    Kawirikawiri, magalasi a myopia osintha mitundu samangobweretsa kukongola komanso kukongola kokha komanso amatha kukana kuwala kwa ultraviolet ndi kuwala, amatha kuteteza maso, chifukwa cha kusintha kwa mitundu ndichakuti lenzi ikapangidwa, imasakanizidwa ndi zinthu zomwe zimakhudzidwa ndi kuwala, monga siliva chloride, silver halide (yomwe imadziwika kuti silver halide), ndi copper oxide catalyst yochepa. Nthawi iliyonse silver halide ikawunikiridwa ndi kuwala kwamphamvu, kuwalako kumawola ndikukhala tinthu tambiri takuda ta siliva tomwe timagawidwa mofanana mu lenzi. Chifukwa chake, lenziyo idzawoneka yofooka ndikutseka njira ya kuwala. Panthawiyi, lenziyo idzakhala yamtundu, zomwe zingalepheretse kuwala kukwaniritsa cholinga choteteza maso.

  • Magalasi a Bifocal Optical a 1.56 Semi Finished Blue Cut

    Magalasi a Bifocal Optical a 1.56 Semi Finished Blue Cut

    Magalasi a bifocal kapena magalasi a bifocal ndi magalasi omwe ali ndi malo awiri owongolera nthawi imodzi ndipo amagwiritsidwa ntchito kwambiri powongolera presbyopia. Malo akutali omwe amakonzedwa ndi lenzi ya bifocal amatchedwa dera lakutali, ndipo malo apafupi amatchedwa dera lapafupi ndi malo owerengera. Nthawi zambiri, chigawo chakutali chimakhala chachikulu, motero chimatchedwanso filimu yayikulu, ndipo chigawo chapafupi ndi chaching'ono, motero chimatchedwa filimu yaying'ono.

  • Magalasi Owonera a 1.56 Okhala ndi Semi Finished Blue Cut Oral Gray

    Magalasi Owonera a 1.56 Okhala ndi Semi Finished Blue Cut Oral Gray

    Magalasi osintha mitundu amadetsedwa dzuwa likawala. Kuwala kukachepa, kumawalanso. Izi ndizotheka chifukwa makristalo a siliva a halide amagwira ntchito.

    Munthawi yabwinobwino, imasunga magalasi owonekera bwino. Akayang'anizana ndi dzuwa, siliva mu kristalo amalekanitsidwa, ndipo siliva womasuka amapanga magulu ang'onoang'ono mkati mwa lenzi. Magulu ang'onoang'ono a siliva awa ndi magulu osakhazikika, olumikizana omwe sangatumize kuwala koma kuyamwa, zomwe zimapangitsa kuti lenziyo ide. Kuwala kukachepa, kristalo imasinthika ndipo lenziyo imabwerera ku mawonekedwe ake owala.

  • Magalasi Owonera Okhala ndi Maso Okha Okha Okhala ndi Semi Finished Single Vision 1.56

    Magalasi Owonera Okhala ndi Maso Okha Okha Okhala ndi Semi Finished Single Vision 1.56

    Magalasi a magalasi omalizidwa pang'ono amagwiritsidwa ntchito podikira kuti akonzedwe. Mafelemu osiyanasiyana amabwera ndi magalasi osiyanasiyana, omwe amafunika kupukutidwa ndi kusinthidwa asanayambe kulowa mu chimango.

  • Magalasi Owonera a 1.56 Okhala ndi Semi Finished Single Vision Blue Cut Optical Lens

    Magalasi Owonera a 1.56 Okhala ndi Semi Finished Single Vision Blue Cut Optical Lens

    Kawirikawiri, pali mitundu isanu ndi umodzi ya refractive index ya ma resin lens: 1.50, 1.56, 1.60, 1.67, 1.71 ndi 1.74. Ngati mukufuna refractive index yapamwamba, mungaganizire magalasi agalasi okha, omwe ali ndi 1.80 ndi 1.90 yoti musankhe. Ndi chifukwa chakuti magalasi agalasi sagwiritsidwa ntchito kawirikawiri masiku ano, ngakhale mapepala agalasi ali ndi ma refractive index ochepa, monga 1.60 ndi 1.71.