Varifocal arotahi: kaha me ngoikoretanga

Varifocal arotahi - he arotahi ki te roa o te ngahunga tāupe ā. Pūrere o tenei momo e whakamahia i roto i kāmera (rite rawa ki arotahi anake o tenei momo) me kāmera (e kia rānei roa wāhi pūmau ranei te tāupe). Varifocal arotahi ngā te pūnaha whatu kotahi nei wāhanga mihini oho whanaunga ki tetahi ki tetahi, ai te huringa hua maheni (tautuhinga) o tawhiti wāhi, me te, i runga i, i roto i te whānuitanga topa o roa ngahunga. Heoi, ko te koinga o te ahanoa tiki me te piata kahore e rerekē.

Varifocal arotahi ki roa wāhi ā te whakarite ka taea ki a koe te huri rua, e hanga ana e ia taea ki te whakatika i te koki kāmera i runga i te ahua tino pai. Pūrere ki mana mamao taea te huri i te roa ngahunga o te 6 ki te 50 ngā wā. E whakamahia taua arotahi mō te tirotiro.

Kia matau o, a he aha e nga huapai me ngā huakore o te pūrere pērā i te arotahi varifocal.

Ko te painga o te pūrere, ko te meka e taea ai te reira no te koki whakarerekētanga i runga i te wahi, ka tāuta te kāmera. A, o te akoranga, i muri i te tāutanga o te kāmera kia hanga whakarerekētanga ki te roa o te ngahunga. I te mutunga o taua te kororia pūrere. Na kia whai whakaaro tatou ki nga kino.

Camera ki arotahi variofokalnym hiahia i roto i te tautuhinga e kore ko e tonu watea mai koe ki tonu kawe a tawhio taputapu anō (aroturuki whakamātautau, pūhiko, me ētahi atu). Kei te pai faingataa arotahi whakarerekētanga, he mea e tika ana ki te whakatau i te ōwehenga paetahi o te roa rahi me te koinga, a kawea te tukanga i roto i ki te whiriwhiringa motuhake (tino utu), e kerekere te pikitia. Na, ko te drawback tuatahi - ko reira he tautuhinga matatini.

Varifocal arotahi he kaha kino (piata ōwehenga) whakaritea ki arotahi auau. Ko ngā kite i roto i te whānuitanga o ngā pūrere ngā (5-50) tenei, ka kia whakarihariha ki ahiahi te kounga pikitia. piata iti - te reira te rua o nga drawback.

He toru arotahi drawback varifocal ko e ko te reira pae hopea e taea ki te defocus i taumahatanga aunoa waiariki ranei. Ka rite ki te hua, ka rapua e te marama torutoru whirihoranga atu.

Ko te tuawha drawback ko te utu o te arotahi, ko reira tino atu te utu atu i whakaritea.

Hei whakarāpopoto, he aha ngā arotahi varifocal, ahakoa ona tōnounoú, he tino hira me kei roto i te tono nui atu i whakaritea. Heoi, ko reira ia tapao e te arotake i homai i roto i tenei tuhinga pā anake ki kāmera hangaia mō te tirotiro, no te mea anake i ratou i te kōwhiringa o whakaritea te whakarite ranei arotahi. Ko te kāmera me kāmera kāinga ataata whakamahia tuku kōrero anake te whakarite.