Khazikika 1.499 Floocal Lens Lens

Kufotokozera kwaifupi:

Bifocal yapamwamba kwambiri ndi imodzi mwa magalasi ambiri okhumudwitsa kwambiri kuti azolowere, ndi amodzi mwa mandimu a bitocal padziko lapansi. Ndi "kudumpha" kuchokera kutali kupita ku masomphenya akufupi komwe kumakuthandizani madera awiri owoneka bwino a magalasi awo kuti azigwiritsa ntchito, kutengera ntchito yomwe ili nayo. Mzerewu ndi wodziwikiratu chifukwa kusintha kwamphamvu kumachitika mwachangu ndi mwayi wokhala ndi gawo lakutali kwambiri popanda kuyang'ana patali kwambiri ndi mandala. Komanso ndizosavuta kuphunzitsa wina momwe angagwiritsire ntchito Bifcocal chifukwa mumangogwiritsa ntchito pamwamba patali ndi pansi powerenga.

Ma tag: 1.499 mandala, 1.499 mandala apamwamba kwambiri

Tumizani imelo kwa ife

Tsatanetsatane wazogulitsa

Matamba a malonda

Chifanizo

1.499 ma blocal a Bifocal Optical Opted
Model:	1.499 mandala owala
Malo Ochokera:	Jiangsu, China
Mtundu:	Mlenga
Zithunzi Zapamwamba:	Weswe
Kugwira nchito	Bifocal
Mtundu wa magalasi	Koyera
Index yolowera:	1.499
Mainchete:	70mm
Mtengo Wofunika:	58
Mphamvu yapadera:	1.32
Kutumiza:	> 97%
Kusankha Kupanga:	Hc / hmc / shmc
Mtundu wokutira	Wobiliwira
Kupanga kwamphamvu:	SPH: -2.00 ~ + 3.00 onjezani: + 1.00 ~ + 3.00

Mawonekedwe a malonda

1) Ubwino wa Mauna a Biocal

Ena assotolops amasankha maulendo opita patsogolo kwambiri, omwe pang'onopang'ono amasintha maulamuliro kuchokera pagawo lapamwamba mpaka pansi pa mandala, popanda mizere kuti ipatule. Komabe, mabino a m'magulu achilendo amapereka mwayi wina wopita patsogolo, monga kupereka mandala ambiri kuti azigwira ntchito pakompyuta ndi kuwerenga poyerekeza ndi mandala omwe akupita patsogolo. Cholinga cha ma bifocles apadera chimapezekanso kwa ntchito yamakompyuta ndi ntchito zina zofunika kwambiri.
Pomwe ma bifokol amagwira ntchito zabwino ntchito zoyenda ndi kuwerenga, ndizochepa pakupereka masomphenyawo m'maneratu, monga mtunda wowunikira kompyuta.
Poyerekeza ndi mandala opita patsogolo, maubwino a ma bifocchial ndikuti ndi odalirika komanso otsika mtengo kuposa magalasi opita patsogolo.

2) Zolemba za CR39 mandala:

Kugwiritsa ntchito CR39 monomer ndi mtundu wokhazikika komanso kuchuluka kwakukulu. Kupezekanso kwa Monomer Omwe Amapanga CR39 mandala, zinthu zomwe zalandiridwa ku South America ndi Asia, zimaperekanso HMC ndi HC.
②cr39 ndikwabwino kwambiri kuposa Polycarbonate, imakonda kunenepa, ndikugwiritsitsa bwino kuposa zida zina za lens.
Zogulitsa za CR39Ur CR39 zimaphatikizapo zozungulira zapamwamba, zapamwamba kwambiri, zopitilira muyeso, mandala athunthu komanso mandala a lenticular. Flat, yoonda, yopepuka, yokhazikika, mtundu wokhazikika, komanso kapangidwe kolondola, imaperekanso mandala omaliza.
- Mtengo Wopikisana ndi Mtengo Wokhazikika, AAGAN OGHCOC HORDER HORTER COORY COORY COORY CORORTOTION Syarmation.
⑤awo ndi zinthu zabwino kwambiri za zingwe ndi magalasi olemba.

3) Kodi pali kusiyana kotani pakati pa HC, HMC ndi Shc?

Zovala Zovuta	Ar oveting / hard gwiritsitsani	Super Hydrophobic Coang
amapanga mandala osavomerezeka ndikuwonjezera kukana kwa Abrasion	zimawonjezera kupatsidwa kwa mandala ndikuchepetsa mawonekedwe akunja	Imapangitsa mandala opanda madzi