Keʻokeʻo Semi Hoʻopau ʻia 1.499 Index Flat Top Bifocal Lenses me ka ʻole o ka uhi ʻana CR39 Material

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
Leni Semif1

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.

ʻO ka makaʻala kiʻekiʻe kiʻekiʻe 1.56 Photochromic Gray Cr39 Lenses AR Coating
luna pālahalaha

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.

ʻOki ʻulaʻula 1.56 holomua nui ʻaʻahu ʻoi aku ka pōkole 12+2mm lens optical2

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