1.59 PC Bifocal Invisible Blue ʻoki HMC Optical lens
Nā kikoʻī hana
Kahi i kumu: | ʻO Jiangsu | Kapa inoa: | BORIS |
Helu kumu hoʻohālike: | Kiekie Index Lens | Mea Lenses: | PC |
Ka hopena hihiʻo: | Leni Bifocal | Kiʻiʻoniʻoni uhi: | HC/HMC/SHMC |
kala o nā leki: | Keʻokeʻo (loko) | kala kala: | ʻOmaomao/Puliuli |
Index: | 1.59 | Kaumaha kikoʻī: | 1.22 |
palapala hōʻoia: | CE/ISO9001 | Waiwai Abbe: | 32 |
anawaena: | 75/70/65mm | Hoʻolālā: | Aspherical |
ʻO ka lens bifocal e pili ana i ka lens like me ʻelua diopters ʻokoʻa, ʻelua diopters
Hoʻolaha ʻia ma nā wahi like ʻole o ka lens. ʻO ka wahi no ka ʻike mamao aku i kapa ʻia ʻo ka telophotomic area, aia ma ka ʻaoʻao o luna o ka lens. ʻO ka wahi i hoʻohana ʻia e nānā kokoke i kapa ʻia he wahi ʻike kokoke a aia ma ka hapa haʻahaʻa o ka lens.
ʻO nā mea maikaʻi o ka bifocals: Hiki iā ʻoe ke ʻike maopopo i nā mea mamao ma ka ʻāpana mamao o nā lens, a hiki iā ʻoe ke ʻike maopopo i nā mea kokoke ma kahi kokoke o nā lens like. ʻAʻole pono e halihali i ʻelua mau makaaniani, ʻaʻole pono e hoʻololi pinepine ma waena o nā makaaniani mamao a kokoke.
Hoʻopuka Hoʻolaha
Hana ʻia nā lens space PC me nā lens polycarbonate, a he ʻokoʻa koʻikoʻi nā lens resin maʻamau (CR-39)! ʻIke pinepine ʻia ʻo PC ma ke aniani bulletproof, no laila, ʻo nā lens PC e pili ana i nā hiʻohiʻona maikaʻi loa o nā mea maka ke kū kūʻē i ka hopena, a ma muli o ke kiʻekiʻe refractive index a me ke kaumaha māmā, hoʻemi nui i ke kaumaha o ka lens, ʻoi aku ka maikaʻi e like me: 100% Ka pale o UV, 3-5 mau makahiki ʻaʻole e melemele. Inā ʻaʻohe pilikia i ke kaʻina hana, ʻoi aku ka māmā o ke kaumaha ma mua o ka pepa resin maʻamau, a ʻo ka hopena o ka hopena a hiki i 12 mau manawa o ka resin maʻamau!