Keʻokeʻo Semi Hoʻopau ʻia 1.499 Index Flat Top Bifocal Lenses me ka ʻole o ka uhi ʻana CR39 Material
ʻO ka wehewehe pōkole:
Kahi i kumu: Jiangsu, Kina
Helu Kumu: 1.499
Ka waihoʻoluʻu Lenses: Akaka, Akaka
Ka hopena o ka hihiʻo: Flat Top
Alanui: D28
inoa inoa: kingway
Palapala hōʻoia: CE / ISO
Mea Leni: CR39
Ka uhi: UC, HC, HMC
Anawaena: 70mm
Huahana Huahana
Huahana Huahana
Puke a me ka lawe ʻana
Ke kuai ana | Pāʻalua |
Nui pūʻolo hoʻokahi | 50X45X45 knm |
Paona nui hookahi | Ma kahi o 22kgs |
ʻAno pūʻolo | Iloko: envelops;Ma waho: Carton;maʻamau ma waho a i ʻole ma kāu hoʻolālā |
Ka manawa o waena o ka hoʻomaka a i ka wā pau | Ka nui (Pairs) 1 - 3000prs, 10 mau lā |
Ka nui (Pairs) > 5000prs, E kūkākūkā ʻia |
Keʻokeʻo Semi Hoʻopau ʻia 1.499 Index Flat Top Bifocal Lenses UC
Hōʻike hōʻike | Alanui Loihi | Ka uhi ʻana | Waiwai Abbe |
1.499 | D25 | UC,HC, HMC | 57 |
Kaumaha Kūikawā | Hoʻouna ʻia | Monomer | Mana Mana |
1.32 | > 97% | CR39 | SPH: 0.00~+-3.00 PĀLU: +1.00~+3.00 |
He aha ka mea nui o ka lens semi-finished maikaʻi i ka hana RX?..
a.Kiʻekiʻe qualified rate i ka mana pololei a me ka paʻa
b.Kiʻekiʻe qualified rate ma cosmetics quality
c.Nā hiʻohiʻona optical kiʻekiʻe
d.ʻO nā hopena ʻoniʻoni maikaʻi a me nā hopena hoʻopiʻi paʻakikī/AR
e.E hoʻomaopopo i ka mana hana kiʻekiʻe
f.Hāʻawi manawa
ʻAʻole wale ka maikaʻi pāpaʻi, ʻoi aku ka nānā ʻana o nā lens semi-finished i ka maikaʻi o loko, e like me nā ʻāpana kikoʻī a paʻa, ʻoi aku hoʻi no ka freeform kaulana.
1) ʻO ka bifocal fused kaulana loa i kēia mau lā, he ʻano D ma kahi kokoke i ka ʻāpana i hoʻololi ʻia i 90 degere i huli ka ʻaoʻao palahalaha o ka "D" i luna.No kēia kumu, kapa ʻia nā D-seg bifocals "flat-top" (FT) a i ʻole "straight-top" (ST) bifocals.
2) He lens bifocal māhele D kēia.Loaʻa iā ia ka pōmaikaʻi ʻo ke kikowaena optical o ka ʻāpana ʻike kokoke o ka lens, ʻo ia ka ʻāpana o ka wahi heluhelu e hāʻawi i ka ʻike maikaʻi loa, aia ma luna o ka ʻāpana heluhelu.Aia nō hoʻi ka ʻāpana ākea loa o ka wahi heluhelu ma lalo pono o ka laina māhele, a ʻo ia ka ʻāpana o ka lens e hoʻohana ai ka mea hoʻohana.
Nā Pōmaikaʻi o nā Lenses Flat Top.
1) He ʻano leki maʻalahi loa kēia e hiki ai i ka mea hoʻohana ke nānā pono i nā mea ma kahi kokoke a mamao loa ma o ka lens hoʻokahi.
2) Ua hoʻolālā ʻia kēia ʻano lens e hiki ai ke nānā i nā mea ma kahi mamao, ma kahi kokoke a me ka mamao waena me nā loli like i ka mana no kēlā me kēia mamao.
Ka uhi AR
--HC (ka uhi paʻa): No ka pale ʻana i nā lens i uhi ʻole ʻia mai ka pale ʻana
--HMC (paʻa paʻa paʻa / AR coating): E pale pono i ka lens mai ka noʻonoʻo ʻana, hoʻomaikaʻi i ka hana a me ke aloha o kāu ʻike.
--SHMC (super hydrophobic coating): E hana i ka lens i wai ʻole, antistatic, anti slip a me ka pale ʻana i ka aila.