White 1.499 Index Flat Top Bifocal Lens Popanda Kupaka CR39 Material
Kufotokozera Kwachidule:
Malo Ochokera: Jiangsu, China
Nambala ya Model: 1.499
Mtundu wa Magalasi: Oyera, Oyera
Masomphenya Zotsatira: Pamwamba Pamwamba
Njira: D28
Dzina la Brand: kingway
Chitsimikizo: CE/ISO
Zida zamagalasi: CR39
Zovala: UC, HC, HMC
Kutalika: 70 mm
Tsatanetsatane wa Zamalonda
Zogulitsa Tags
Kupaka & Kutumiza
| Kugulitsa Mayunitsi | Awiriawiri |
| Kukula kwa phukusi limodzi | 50X45X45 masentimita |
| Single grossweight | Pafupifupi 22kgs |
| Mtundu wa Phukusi | Mkati: envulopu;Kunja: Katoni;export standard kapena pamapangidwe anu |
| Nthawi yotsogolera | Kuchuluka (Awiriawiri) 1 - 1000prs, 10days |
| Kuchuluka (Awiriawiri)> 5000prs, Kukambitsirana |
1.61/1.67 kanjira kakang'ono kakang'ono ka 12+2mm
| Refractive index | Kutalika kwa Corridor | Kupaka | Mtengo wa Abbe |
| 1.499 | D25 | UC, HC, HMC | 57 |
| Specific Gravity | Kutumiza | Monomer | Mphamvu Range |
| 1.32 | 97% | CR39 | SPH: 0.00 ~+-3.00 Wonjezerani: +1.00~+3.00 |
Mawonekedwe.
1) Bifocal yotchuka kwambiri masiku ano ili ndi gawo la D pafupi ndi gawo lozungulira madigiri 90 kotero kuti gawo lathyathyathya la "D" likuyang'ana mmwamba.Pachifukwa ichi, D-seg bifocals amatchedwanso "flat-top" (FT) kapena "straight-top" (ST) bifocals.
2) Iyi ndi D segment bifocal lens.Zili ndi phindu kuti malo openya a mbali ya masomphenya apafupi a lens mwachitsanzo, gawo la malo owerengera omwe amapereka masomphenya abwino kwambiri, ali pamwamba pa gawo lowerengera.Komanso gawo lalikulu kwambiri la malo owerengera lili pansi pa mzere wogawa, ndipo ndi gawo la lens lomwe wovala angagwiritse ntchito.
Ubwino Wa Flat Top Lens.
1) Uwu ndi mtundu wosavuta kwambiri wa mandala womwe umalola wovalayo kuyang'ana pa zinthu zomwe zili pafupi komanso kutali kudzera pa lens imodzi.
2) Ma lens amtunduwu adapangidwa kuti athe kuwona zinthu zapatali, pafupi ndi patali komanso patali ndi kusintha kofananira kwamphamvu pamtunda uliwonse.
Kupaka kwa AR.
--HC (kutchingira kolimba): Kuteteza magalasi osakutidwa kuti asakane kukanika
--HMC (zokutira zolimba zambiri / AR): Kuteteza magalasi moyenera kuti asawonekere, onjezerani magwiridwe antchito ndi chifundo cha masomphenya anu.
--SHMC(kutchingira kwapamwamba kwa hydrophobic): Kupanga mandala kuti asalowe madzi, antistatic, anti slip ndi kukana mafuta.
