White 1.499 Index Flat Top Bifocal Lenses Ntle le Coating CR39 Material
Tlhaloso e Khutšoanyane:
Sebaka sa Tšimoloho: Jiangsu, Chaena
Nomoro ea mohlala: 1.499
'Mala oa lilense: E hlakile, e hlakile
Pono Effect: Flat Top
Tsela: D28
Lebitso la Brand: kingway
Setifikeiti: CE/ISO
Lintho tse bonahalang tsa lense: CR39
Ho roala: UC, HC, HMC
Boima: 70mm
Lintlha tsa Sehlahisoa
Li-tag tsa Sehlahisoa
Packaging & Delivery
Lihlopha tsa ho rekisa | Lipara |
Boholo ba sephutheloana se le seng | 50X45X45 cm |
Boima bo le bong | Hoo e ka bang 22kgs |
Mofuta oa Pakete | Hare: lienfelopo;Kantle: Lebokose;Theko e ntle e tloaelehileng kapa holim'a moralo oa hau |
Lead time | Palo(Pair) 1 - 1000prs, 10days |
Palo(Pairs) > 5000prs, Ho tla buisanoa |
1.61/1.67 phasejete e khuts'oane e tsoelang pele 12+2mm lense ea mahlo
Lenane la refractive | Bolelele ba Corridor | Ho roala | Boleng ba Abbe |
1.499 | D25 | UC, HC, HMC | 57 |
Matla a Khoheli a khethehileng | Phetiso | Monomere | Matla Range |
1.32 | 97% | CR39 | SPH: 0.00 ~+-3.00 EKETSA: +1.00~+3.00 |
Likaroloana.
1) Bifocal e tsebahalang haholo kajeno e na le karolo e haufi le sebopeho sa D e potolohang likhato tse 90 hore karolo e bataletseng ea "D" e shebane le holimo.Ka lebaka lena, D-seg bifocals le tsona li bitsoa "flat-top" (FT) kapa "straight-top" (ST) bifocals.
2) Ena ke D segment bifocal lense.Ho na le molemo oa hore setsi sa mahlo sa karolo e haufi ea pono ea lense, ke hore, karolo ea sebaka sa ho bala e fanang ka pono e ntle ka ho fetisisa, e behiloe kaholimo ho karolo e baloang.Hape karolo e sephara ka ho fetisisa ea sebaka sa ho bala e ka tlase ho mola o arolang, 'me ke karolo ea lense eo motho ea e roetseng a ka e sebelisang.
Melemo ea Flat Top Lenses.
1) Ona ke mofuta o bonolo haholo oa lense o lumellang motho ea e roetseng ho tsepamisa maikutlo linthong tse haufi le tse hole ka lense e le 'ngoe.
2) Lense ea mofuta ona e etselitsoe ho thusa ho shebella lintho tse hole, haufi le sebaka se mahareng ka liphetoho tse tsamaellanang tsa matla sebakeng se seng le se seng.
AR Coating.
--HC (ho roala ka thata): Ho sireletsa lilense tse sa koaeloang ho tloha qalong
--HMC (coat multi coated / AR): Ho sireletsa lense hantle hore e se ke ea bonahala, ntlafatsa ts'ebetso le lerato la pono ea hau.
--SHMC (super hydrophobic coating): Ho etsa hore lense e se ke ea kena metsi, e thibelang matla, e thibela ho thella le ho hanyetsa oli.