White 1.499 Index Flat Top Bifocal Lens Popanda Kuphimba CR39 Zinthu

White 1.499 Index Flat Top Bifocal Lenses Without Coating CR39 Material

Kufotokozera Kwachidule:

Malo Oyamba: Jiangsu, China
Chiwerengero Model: 1.499
Mtundu wa Mandala: Chotsani, Chotsani
Masomphenya Zotsatira: Lathyathyathya Pamwamba
Khonde: D28
Dzina Brand: kingway
Chiphaso: CE / ISO
Zida Zamagetsi: CR39
Ating kuyanika: UC, HC, HMC
Awiri: 70mm


Mankhwala Mwatsatanetsatane

Zogulitsa

Kuyika & Kutumiza

Kugulitsa Units Awiri
Kukula kwa phukusi limodzi 50X45X45 masentimita
Kulemera kwakukulu kamodzi Pafupifupi 22kgs
Phukusi Mtundu Mumtima: maenvulopu; Kunja: Katoni; katundu wogulitsa kunja kapena pamapangidwe anu
Nthawi yotsogolera Kuchuluka (awiriawiri) 1 - 1000prs, 10days
Kuchuluka (awiriawiri)> 5000prs, Kuti tikambirane

1.61 / 1.67 njira yayifupi yopitilira 12 + 2mm optical lens

Refractive index Utali wa Corridor Zokutira Mtengo wa Abbe
1.499 Zamgululi UC, HC, HMC, WC  57
Mphamvu Yeniyeni Kutumiza Kuchita bwino Mphamvu ya Mphamvu
1.32 > 97% CR39 SPH: 0.00 ~ + -3.00 ADD: + 1.00 ~ + 3.00
Flat Top 1.56 Photochromic Gray Cr39 eyeglass Lenses AR Coating

Mawonekedwe.
1) Bifocal yotchuka kwambiri masiku ano ili ndi mawonekedwe a D okhala pafupi ndi gawo lozungulira madigiri 90 kotero kuti gawo lathyathyathya la "D" likuyang'ana mmwamba. Pachifukwa ichi, ma D-seg ma bifocals amatchedwanso "flat-top" (FT) kapena "straight-top" (ST) bifocals.

2) Iyi ndi gawo lamagawo awiri a D. Zimapindulitsa kuti malo openyerera am'maso oyang'ana pafupi ndi mandala, ndiye kuti gawo lowerengera lomwe limapereka masomphenya abwino kwambiri, lili pamwamba pamutu wowerengera. Komanso gawo lokulirapo lowerengera lili pansipa pamzere wogawa, ndipo ndilo gawo la mandala omwe wovalayo angagwiritse ntchito.

Ubwino Wa Lathyathyathya Top Mandala.

1) Umenewu ndi mtundu wa mandala wosavuta kwambiri womwe umalola wovalayo kuti aziyang'ana pazomwe zili pafupi komanso kutali kwambiri kudzera mu mandala amodzi.

2) Mtundu wa mandalayu adapangidwa kuti azitha kuwonera zinthu patali, pafupi komanso mtunda wapakatikati ndikusintha kwamphamvu mtunda uliwonse.

Flat top
Blue Cut 1.56 progressive multi coatin  shorter corridor 12+2mm optical lens2

Kupaka AR.
-HC (zokutira zolimba): Kuteteza magalasi osaphimbidwa kuti asakanidwe
-HMC (zolimba zambiri zokutira / zokutira za AR): Kuteteza mandala moyenera kuwunikira, kukulitsa magwiridwe antchito ndi chikondi cha masomphenya anu
-SHMC (wapamwamba hydrophobic coating kuyanika): Kuti disolo madzi, antistatic, odana Pepala ndi kukana mafuta.


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