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Yadda za a zabi madaidaicin fihirisar ruwan tabarau?
Lokacin zabar ruwan tabarau, za a sami 1.56, 1.61, 1.67, 1.74 da sauran dabi'un da za a zaɓa, wannan ƙimar tana nufin ma'aunin ma'aunin ruwan tabarau.Mafi girman ma'aunin ma'auni na ruwan tabarau, mafi ƙarancin ruwan tabarau kuma mafi wuyar ruwan tabarau.Tabbas, mafi girman ref...Kara karantawa -
Gabatarwa da Ƙa'idar ruwan tabarau na Photochromic
Canjin Launi Mai Mahimmanci na Rana Hotochromic Pigment Ana samar da ruwan tabarau na hoto ta hanyar hada pigments na photochromic tare da ruwan tabarau monomer sa'an nan kuma allurar a cikin wani mold.Pigment na Photochromic ƙwararren ƙwararren foda ne da aka tsara don canza launi lokacin da aka fallasa shi zuwa tushen hasken UV, amma ya fi dacewa da kai tsaye ...Kara karantawa -
IMAX, DOLBY… Menene bambanci
IMAX Ba duk IMAX ne "IMAX LASER", IMAX Digital VS Laser IMAX yana da nasa tsari daga yin fim zuwa nunawa, wanda ke ba da tabbacin mafi girman darajar kallo.IMAX yana da sabuwar fasaha, manyan fuska, matakan sauti mafi girma, da ƙarin zaɓuɓɓukan launi."Standard IMAX" e ...Kara karantawa -
Kayan lens, fahimtar dalilin da yasa ruwan tabarau ke da kauri ko sirara
Gilashin ruwan tabarau.A farkon kwanakin gyaran hangen nesa, duk ruwan tabarau na gilashin ido an yi su ne da gilashi.Babban abu don ruwan tabarau na gilashi shine gilashin gani.Fihirisar refractive ya fi na ruwan tabarau na guduro girma, don haka ruwan tabarau na gilashi ya fi siriri fiye da ruwan tabarau na guduro a cikin iko iri ɗaya.Ma'anar ma'aunin ruwan tabarau na refractive...Kara karantawa -
An shirya bikin baje kolin na'urorin gani na kasa da kasa na kasar Sin- Beijing 2022-09-14 zuwa 2022-09-16
An fara bikin baje kolin masana'antu na gani na kasa da kasa na kasar Sin a birnin Shanghai a shekarar 1985. A shekarar 1987, an mayar da wasan kwaikwayon zuwa birnin Beijing, inda ma'aikatar huldar tattalin arziki da cinikayya (yanzu ma'aikatar ciniki) ta amince da shi a matsayin baje kolin kayayyakin gani na kasa da kasa na kasar.Kamar yadda ind na gani ...Kara karantawa -
Wane nau'in ruwan tabarau na magani ya fi dacewa a gare ku?
Single Vision Lens VS.Bifocal VS.Cigaban ruwan tabarau na hangen nesa guda ɗaya suna ba da gyara na gani guda ɗaya.Wannan yana nufin cewa suna rarraba mayar da hankali a ko'ina a kan dukkan ruwan tabarau, maimakon raba hankali tsakanin sama da rabi na kasa, kamar yadda yake tare da bifocals.Single...Kara karantawa
