Hoʻolauna i nā mea lens maʻamau

ʻO nā aniani makaaniani lā i hana ʻia mai ka nylon, CR39 a me nā mea PC i loaʻa i kā lākou pono ponoʻī a me nā hemahema.ʻO Nylon kahi polymer synthetic he māmā, lōʻihi a maʻalahi.He kūpaʻa kiʻekiʻe kona i ka hopena a hiki ke pale i nā mahana wela.He mea maʻalahi ka hana ʻana o nā lens nylon me ka hoʻohana ʻana i ke kaʻina hana hoʻoheheʻe ʻia a loaʻa nui i nā ʻano kala a me nā kala.

ʻO CR39 kahi ʻano plastic i ʻike ʻia no kona mālamalama a me ka pale ʻana.He māmā kēia mau lens, lōʻihi a maʻalahi hoʻi i ka hoʻohālikelike ʻia me nā mea ʻē aʻe.Hana ʻia lākou me ka hoʻohana ʻana i kahi kaʻina hoʻolei e hiki ai ke kiʻekiʻe kiʻekiʻe o ka pololei a me ka mana maikaʻi.He maʻalahi hoʻi nā lens CR39 e hoʻopili a loaʻa i nā ʻano kala a me nā aka.

ʻO ka PC (polycarbonate) kahi ʻano thermoplastic i ʻike ʻia no kona pale ʻana i ka hopena a me ka lōʻihi.He māmā kēia mau lens a hoʻohana pinepine ʻia i nā aniani haʻuki a palekana.Hana ʻia lākou me ka hoʻohana ʻana i kahi kaʻina hana injection e hiki ai ke kiʻekiʻe kiʻekiʻe o ka pololei a me ke kūlike.Loaʻa nā lens PC ma nā ʻano kala a me nā kala, akā ʻaʻole lākou e like me ka pale ʻana e like me nā lens CR39.

Ma ke ʻano o kā lākou pono, ʻoluʻolu nā lens nylon, paʻa a kū i ka hopena.ʻO nā lens CR39 maʻemaʻe a pale ʻole.Paʻa ka hopena a paʻa nā lens PC.

Eia nō naʻe, aia kekahi mau hemahema e noʻonoʻo ai.Hiki i nā lens nylon ke maʻalahi i ka melemele a me ka wehe ʻana i ka wā.Hiki i nā lens CR39 ke emi i ka hopena i ka hoʻohālikelike ʻia me nā mea ʻē aʻe.ʻAʻole hiki ke akaka nā lens PC e like me nā lens CR39 a ʻoi aku ka maʻalahi o ka ʻōpala.

I ka hopena, e hilinaʻi ke koho ʻana i nā mea no nā aniani aniani i ka hoʻohana i manaʻo ʻia a me nā makemake pilikino.He kūpono nā lens nylon no ka poʻe e koi ana i ka maʻalahi a me ka lōʻihi, kūpono nā lens CR39 no ka poʻe e manaʻo mua i ka mālamalama a me ka pale ʻana, a ʻo nā lens PC he mea kūpono no ka poʻe e koi ana i ka hopena a me ka lōʻihi.