Keʻokeʻo 1.499 Index Flat Top Bifocal Lens me ka uhi ʻole ʻana i nā mea CR39

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

E hoʻouna i ka leka uila iā mākou Hoʻoiho ma ke ʻano he PDF

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 - 1000prs, 10 mau lā
Ka manawa o waena o ka hoʻomaka a i ka wā pau	Ka nui (Pairs) > 5000prs, E kūkākūkā ʻia

1.61/1.67 holomua ʻoi aku ka pōkole 12+2mm leki uila

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 ADD: +1.00~+3.00

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

Nā hiʻohiʻona.
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.

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

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.

Mua: Helu helu kiʻekiʻe 1.61,1.67 holomua ʻoi aku ka pōkole 12+2mm lens optical

Aʻe: Multifocal Vision 1.499 CR39 Uncoated Progressive Lenses no nā aniani heluhelu.

1.499 Cr39 Hmc Lens Optical