White 1.499 Index Flat Top Bifocal Lens Popanda Kuphimba CR39 Zinthu
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 |
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.
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.
