Tearotahi arotahi-waeaKo te kaupapa matua he whakatika i te pararax o te arotahi ahumahi tuku iho, ā, ka taea te noho i roto i tētahi awhe tawhiti, kia kore ai e rerekē te whakanui o te ahua i whiwhihia, he mea tino nui tēnei ina kore te mea i inehia i runga i te mata kotahi.

Nā te hoahoa arotahi motuhake, he roa te roa o te arotahi, ā, he iti iho te roa ā-tinana o te arotahi i te roa arotahi.

Ngā āhuatanga ongā arotahi arotahi-nui

Ko tōna āhuatanga ka taea e ia te hanga i ngā mea tawhiti kia āhua nui ake i tō rātou rahi tuturu, kia mārama ake ai, kia taipitopito ake ai hoki ngā tirohanga, ngā taonga rānei i tawhiti.

Ka kawea mai e ngā karāhe arotahi-nui tētahi huringa kounga ki te tirotiro tika o te tirohanga mīhini i runga i ō rātou āhuatanga whatu ahurei: te taumira teitei, te hōhonutanga o te mara tino whānui, te hepohepo tino iti, me te hoahoa mārama whakarara ahurei.

He whānuitia te whakamahinga o ngā karāhe arotahi-nui i roto i ngā whakaaturanga pēnei i ngā huihuinga hākinakina, ngā whakaahua kararehe me te taiao, me ngā mātakitakitanga whetū, nā te mea he maha ngā wā e hiahiatia ana te tango whakaahua, te mātakitaki rānei i ngā mea mai i tawhiti. Ka taea e ngā karāhe arotahi-nui te whakatata mai i ngā mea tawhiti me te pupuri tonu i te mārama me te taipitopito o te pikitia.

Hei tāpiritanga, nā te roa o te arotahi ongā arotahi arotahi-nui, ka taea e rātou te whakatutuki i te pōuri papamuri me te hōhonutanga o te mara, kia mārama ake ai te kaupapa i te wā e tangohia ana te whakaahua, nō reira e whakamahia whānuitia ana hoki i roto i te whakaahua poutū.

Te whakarōpūtanga taketake o ngā arotahi telecentric

Ko ngā arotahi telecentric te nuinga o te wā ka wehea ki ngā arotahi telecentric taha-ahanoa, ngā arotahi telecentric taha-ahua me ngā arotahi telecentric taha-taha.

Karāhe arotahi

Ko te arotahi telocentric o te mea he aukati whakatuwheratanga kei runga i te papa arotahi tapawhā o te ahua o te pūnaha whatu. Ina whakanohoia te aukati whakatuwheratanga ki runga i te papa arotahi tapawhā o te ahua, ahakoa ka rerekē te tawhiti o te mea, ka rerekē anō te tawhiti o te ahua, engari kāore te teitei o te ahua e rerekē, arā, kāore te rahi o te mea i inehia e rerekē.

Ko te arotahi telecentric tapawhā ahanoa e whakamahia ana mō te ine tika ahumahi, he iti rawa te whakapōturitanga, ā, kāore e taea te whakatutuki i te whakapōturitanga i te mahi teitei.

He hoahoa kauwhata o te ara mārama telecentric i te ahunga o te mea

Arotahi tapawhā whakaahua

Ka whakanohoia te diaphragm whakatuwheratanga e te arotahi arotahi taha-ahua ki te papa arotahi taha-ahanoa kia rite te hihi matua taha-ahua ki te tuaka whatu. Nō reira, ahakoa te rerekētanga o te tūranga tāutanga o te maramara CCD, ka noho tonu te rahi o te ahua e whakaaturia ana ki te maramara CCD.

Kauwhata ara mārama porowhita whakaahua

Karāhe ā-rua

Ka whakakotahihia e te arotahi arotahi-rua ngā painga o ngā arotahi arotahi-rua i runga ake nei. I roto i te tukatuka whakaahua ahumahi, ko ngā arotahi arotahi-rua anake ka whakamahia. I ētahi wā, ka whakamahia ngā arotahi arotahi-rua i ngā taha e rua (he nui ake te utu).

I te ao o te tukatuka whakaahua ahumahi/kitenga mīhini, kāore e mahi ngā karu arotahi-nui, nō reira kāore tēnei ahumahi e whakamahi ana i ēnei.