SETO 1.56 Photochromic Round saman bifocal Lens HMC/SHMC
Ƙayyadaddun bayanai
| 1.56 Hoton Round Top Bifocal ruwan tabarau | |
| Samfura: | 1.56 ruwan tabarau na gani |
| Wurin Asalin: | Jiangsu, China |
| Alamar: | SETO |
| Kayan Lens: | Guduro |
| Aiki | Photochromic& saman zagaye |
| Launin ruwan tabarau | Share |
| Fihirisar Rarraba: | 1.56 |
| Diamita: | 65/28 mm |
| Abbe Value: | 39 |
| Takamaiman Nauyi: | 1.17 |
| Zaɓin Rufe: | SHMC |
| Launi mai sutura | Kore |
| Wutar Wuta: | Sph: -2.00~+3.00 Ƙara: +1.00~+3.00 |
Siffofin Samfur
1) Menene ruwan tabarau bifocal?
Bifocals ruwan tabarau ne masu ikon gyara daban-daban.Bifocals ana yawan wajabta wa presbyopes
wanda ke buƙatar gyara ga myopia (nearsightedness) ko hyperopia (hangen nesa) tare da ko ba tare da gyara don astigmatism (karkataccen hangen nesa ba sakamakon ruwan tabarau mara tsari ko cornea).Manufar farko na ruwan tabarau na bifocal shine don samar da ma'auni mafi kyaun mayar da hankali tsakanin nesa da hangen nesa kusa.
Gabaɗaya, kuna duba sama da ta wurin nisa na ruwan tabarau lokacin da kuke mai da hankali kan maki mafi nisa, kuma kuna
duba ƙasa kuma ta ɓangaren bifocal na ruwan tabarau lokacin mai da hankali kan abin karantawa ko abubuwa a cikin 18
Inci na idanuwan ku. An yarda gaba ɗaya cewa Benjamin Franklin ya ƙirƙira bifocal.Mafi yawan bifocal a yau shine Madaidaicin Top 28 Bifocal wanda ke da madaidaiciyar layi a saman saman tare da radius 28mm.Akwai nau'ikan nau'ikan bifocals madaidaiciya da yawa da ake samu a yau waɗanda suka haɗa da: madaidaiciya Top 25, madaidaiciya saman 35, madaidaiciya saman 45 da Babban zartarwa (Asali Franklin Seg) wanda ke gudanar da cikakken faɗin ruwan tabarau.
Baya ga madaidaitan saman bifocals akwai gabaɗayan bifocals da suka haɗa da Zagaye na 22, Zagaye na 24, Zagaye na 25
da Blended Round 28 (babu takamaiman sashi).
Fa'idar zuwa ɓangaren zagaye shine cewa akwai ƙarancin tsallen hoto yayin da ɗayan ke canzawa daga nesa zuwa ɓangaren kusa na ruwan tabarau.
2) Menene ruwan tabarau na photochromic?
Ruwan tabarau na Photochromic kuma ana kiran su da "hannun tabarau masu daukar hoto".Dangane da ka'idar mayar da martani na canjin launi mai haske, ruwan tabarau na iya yin duhu da sauri a ƙarƙashin haske da hasken ultraviolet, toshe haske mai ƙarfi da ɗaukar hasken ultraviolet, kuma yana nuna tsaka tsaki ga haske mai gani.Komawa zuwa duhu, zai iya dawo da sauri mara launi mara launi, tabbatar da watsa ruwan tabarau.Don haka ruwan tabarau mai canza launi ya dace da amfani na cikin gida da waje a lokaci guda, don hana hasken rana, hasken ultraviolet, haskakawa akan lalacewar ido.Dangane da ka'idar mayar da martani na canjin launi mai haske, ruwan tabarau na iya yin duhu da sauri a ƙarƙashin haske da hasken ultraviolet, toshe haske mai ƙarfi da ɗaukar hasken ultraviolet, kuma yana nuna tsaka tsaki ga haske mai gani.Komawa zuwa duhu, zai iya dawo da sauri mara launi mara launi, tabbatar da watsa ruwan tabarau.Don haka ruwan tabarau mai canza launi ya dace da amfani na cikin gida da waje a lokaci guda, don hana hasken rana, hasken ultraviolet, haske akan lalacewar ido.
3) Menene bambanci tsakanin HC, HMC da SHC?
| Rufe mai wuya | AR shafi / Hard Multi shafi | Super hydrophobic shafi |
| yana sa ruwan tabarau mara rufi ya yi ƙarfi kuma yana ƙara juriyar abrasion | yana ƙaruwa da watsa ruwan tabarau kuma yana rage hangen nesa | yana sa ruwan tabarau mai hana ruwa, antistatic, anti zamewa da juriya mai |
Takaddun shaida
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