1.50 CR-39 i hoʻopau ʻia i nā leki ʻike hoʻokahi
No ke aha e koho ai i nā Lenses Optical CR-39?
Hiki i nā kukuna UV i ka lā ke hōʻeha i nā maka.
ʻO nā aniani e ālai ana i ka 100% UVA a me UVB kōkua i ka pale ʻana i nā hopena pōʻino o ka radiation UV.
Hāʻawi nā lens Photochromic a me nā aniani aniani maikaʻi loa i ka pale UV.
No ke aha e koho ai i nā Lenses Optical CR-39?
ʻO Crystal Vision (CR) nā lens maikaʻi loa i hana ʻia e kekahi o nā hui lens nui loa o ka honua.
ʻO CR-39, a i ʻole allyl diglycol carbonate (ADC), he polimer plastik i hoʻohana mau ʻia i ka hana ʻana i nā aniani aniani.
ʻO ka pōkole no "Columbia Resin #39", ʻo ia ka 39th formula o kahi plastic thermosetting i hoʻomohala ʻia e ka Columbia Resins project ma 1940.
Loaʻa iā PPG, ke hoʻololi nei kēia mea i ka hana lens.
ʻO ka hapalua ke kaumaha e like me ke aniani, ʻaʻole hiki ke haki, a ʻoi aku ka maikaʻi o ke aniani.
Hoʻomaʻamaʻa ʻia ʻo CR-39 a ninini ʻia i loko o nā pahu aniani ʻano maikaʻi - hoʻololi pono i nā ʻano o ke aniani.
Kūʻē ʻAka
ʻO nā ʻōpala ma nā lens he mea hoʻonāukiuki,
maikaʻi ʻole a ma kekahi mau kūlana a hiki i ka pōʻino.
Hiki iā lākou ke hoʻopilikia i ka hana i makemake ʻia o kāu mau lens.
ʻO nā lāʻau lapaʻau kūʻokoʻa e hoʻoikaika i nā lens e ʻoi aku ka lōʻihi.
Nā lāʻau lapaʻau anti-reflective (AR)
No ke ʻano, hōʻoluʻolu a me ka maopopo, ʻo nā lāʻau anti-reflective ke ala e hele ai.
Hana lākou i ka lens i ʻike ʻole ʻia, a kōkua i ka ʻoki ʻana i ka ʻālohilohi mai nā kukui poʻo, nā pale kamepiula a me nā kukui paʻakikī.
Hiki iā AR ke hoʻonui i ka hana a me ke ʻano o kēlā me kēia lens!
