Arotahi Whakaata-ā-Whānui Kāmera Mamati
I te ao o te whakaahua matihiko, ko te arotahi te "kanohi" e whakatau ana i te hopunga o tētahi wā. I roto i ngā momo arotahi, he tūranga motuhake ngā arotahi whakaahua-rahi nā te mea ka taea e rātou te whakatata mai i ngā kaupapa tawhiti, te whakanui i ngā taipitopito, me te waihanga i ngā āhuatanga tirohanga motuhake. Mō te tini o ngā kaiwhakaahua—ngā tīmatanga me ngā tohunga—ko ngā arotahi whakaahua-rahi te whiringa matua mō te whakaahua i ngā hākinakina, i ngā kararehe mohoao, i ngā kōnohete, tae atu ki ngā whakaahua me ngā papamuri ātaahua. Ka matapakihia e tēnei tuhinga he aha te arotahi whakaahua-rahi, me pēhea te mahi, ōna painga me ōna ngoikoretanga, me ngā tohutohu mō te whiriwhiri me te whakamahi i tētahi i runga i te kāmera matihiko.
He aha te Arotahi Whakaata-nui?
Ko te arotahi whakaahua-rahi he arotahi he roa ake te arotahi i te arotahi paerewa. I te nuinga o te wā, i runga i te kāmera anga-katoa, ka tīmata ngā arotahi whakaahua-rahi i te 70mm me te neke atu rānei. I runga i te kāmera APS-C, nā te tauwehenga tapahi (hei tauira, 1,5x, 1,6x rānei), ahakoa he arotahi 50mm ka rite ki te "whakaahua-rahi" atu i te arotahi anga-katoa, engari ko te kāwai whakaahua-rahi e pā ana ki te awhe mai i te 55–200mm (whakaahua-rahi waenga) ki te 300mm me te neke atu rānei (whakaahua-rahi tino nui).
Mā te roa o te arotahi ka whaiti ake te koki tirohanga. Mā tēnei koki tirohanga whaiti ka nui ake te āhua o te kaupapa i roto i te anga, me te mea kei te "tata haere" koe, engari kāore e tata atu ana.
Te Mahi a ngā Arotahi Whakaata-Wā me ō rātou Āhuatanga Tirohanga
Ehara i te mea ko te "whakanui noa" te kaupapa whakaahua-rahi. He āhuatanga tirohanga anō kei roto e pai ana ki ngā kaiwhakaahua:
1. Te pēhitanga tirohanga
Mā ngā karāhe whakaata-rahi ka poto ake te tawhiti i waenga i ngā mea o mua me muri. Nō reira, ka "tata ake" te papamuri, ā, he maha ngā wā ka nui ake te āhua. He tino ātaahua tēnei pānga i roto i ngā whakaahua whenua me ngā paparanga maunga, i ngā tāone nui rānei me ngā whare e tata ana te tawhiti.
2. Te wehewehe i te kaupapa
Nā te whaiti o te koki tirohanga, ā, e whakamahia whānuitia ana mai i tawhiti, ka māmā ake te wehewehe a te kaitango whakaahua i te kaupapa mai i tōna taiao. He kaha ake te kaupapa, ā, he māmā ake te karo i ngā mea whakararuraru e karapoti ana.
3. Bokeh kaha ake
Mēnā he nui te āputa (hei tauira, f/2.8, f/4 rānei) me te roa o te arotahi, ka taea te whakapōuri i te papamuri kia maeneene ake. He maha ngā wā ka whakamahia tēnei hua i roto i ngā whakaahua whakaahua, ngā whakaahua ahua, ngā whakaahua hua rānei e arotahi ana ki te kaupapa.
Ngā Momo Arotahi Whakaata-Whānui
I roto i te mahi, ka taea te wehewehe i te whakaahua-rahi ki ētahi rōpū maha:
– Whakaahua-waenga waenga (tata ki te 70–200mm)
He whānuitanga rongonui tēnei nā te mea he maha ngā whakamahinga: he pai mō ngā whakaahua, ngā huihuinga, ngā whakaahua pono, tae atu ki ngā hākinakina māmā. E kiia ana te arotahi 70–200mm f/2.8 he "hōiho mahi" mā te kaiwhakaahua ngaio.
– Whakaahua roa (tata ki te 100–400mm)
He pai mō ngā kararehe mohoao, mō ngā hākinakina o waho, mō ngā mahi atamira tawhiti rānei, he maha ngā wā ka puta mai ngā karu arotahi o tēnei awhe i roto i ngā putanga whakanui 100–400mm, 150–600mm rānei.
– Whakaahua-rahi tino pai (400mm me runga ake)
E whakamahia ana mō te mātakitaki manu, te haere safari, ngā hākinakina ngaio, me te tango whakaahua tawhiti rawa, he nui, he taumaha, he utu nui hoki ēnei karu arotahi, engari he uaua ki te patu i ngā hua.
Haunga te roa o te arotahi, ka taea hoki te whakarōpū i ngā arotahi whakaahua-roa hei arotahi matua (arotahi pumau, hei tauira, 135mm, 200mm, 300mm) me te arotahi (hei tauira, 70–200mm, 100–400mm). Ko ngā arotahi matua he arotahi koi ake me ngā kōhao nui ake, ko ngā arotahi whakanui he tino ngāwari.
Ngā Painga o ngā Arotahi Whakaata-Whānui
1. Te toro atu ki ngā kaupapa tawhiti
Koinei te painga tino kitea. Ka taea e koe te tango whakaahua i ngā kaitākaro i runga i te papa tākaro, i ngā manu i runga i ngā manga teitei, i ngā āhua o ngā kaiwaiata i runga i te atamira, me te kore e hiahiatia kia tata atu.
2. Kia ātaahua ake ngā whakaahua o te tinana
Ko ngā karāhe arotahi-waenga pērā i te 85mm, 105mm, 135mm rānei, e whakamahia ana mō ngā whakaahua tinana nā te mea ka whakaiti i te hē o te kanohi e kitea whānuitia ana. Kāore ngā ihu e "nui ake" te āhua, ā, he āhua tūturu ake te āhua o ngā āhua o te kanohi.
3. Ka māmā ake te tito
Mā te koki tirohanga whaiti, ka taea e koe te "whakakore" i ngā mea whakararuraru i roto i te anga. He maha ngā wā ka whakamahia e ngā kaiwhakaahua tiriti me ngā kaiwhakaahua tuhinga te whakaahua tawhiti mō ngā whakaahua pono mai i tawhiti haumaru.
4. Āwhina ki te waihanga i tētahi papamuri ngohengohe
Mā te whakakotahitanga o te roa o te arotahi me te whānui o te whakatuwheratanga, ka taea e te pānga pōuri papamuri (bokeh) te noho hei āhuatanga matua e ātaahua ai ngā whakaahua.
Ngā Wero me ngā Huakore o te Whakaahua-ā-Whānui
1. Ka kitea ake te rūrū o te kāmera
Ka roa ake te arotahi, ka nui ake te tūponotanga ka pōuriuri ngā whakaahua nā te rūrū ringa. Nō reira, he maha ngā wā ka hiahiatia he tere kati teitei ake, he whakaū (OIS/IS/VR), he tūru/monopod rānei mō ngā kāmera whakaahua tawhiti.
2. Rahi me te taumaha
Ko ngā karāhe whakaata-rahi, inā koa ko ērā he nui ngā kōhao, he nui, he taumaha hoki. Ka pā tēnei ki te whakamarie, te nekenekehanga, me te hiahia mō tētahi putea kāmera.
3. Ngā utu teitei ake
He nui te utu mō ngā karāhe whakaata-rahi kounga teitei—ina koa ko te f/2.8, ko te super telephoto rānei—nā te uaua o ngā hoahoa whatu me te whakamahinga o ngā rauemi motuhake.
4. Ngā whakaritenga mārama nui ake
He maha ngā arotahi whakaahua-roa a ngā kaihoko e wātea ana me ngā kōhao rerekē pērā i te f/4.5–6.3. I ngā āhuatanga mārama iti, me whakanui ake pea te ISO, me whakaiti rānei te tere o te kati, ka nui ake te tūponotanga o te haruru, te pōuri rānei.
Ngā Tohutohu mō te Kōwhiri i tētahi Arotahi Whakaata-Wāhi mō tētahi Kāmera Mamati
1. Whakaritea kia rite ki ō hiahia pupuhi
– Ngā whakaahua me ngā huihuinga: 70–200mm, 85–135mm rānei te rahi matua.
– Ngā hākinakina o waho: 100–400mm, 70–200mm rānei me te tinana poro.
– Ngā kararehe mohoao/te mātakitaki manu: 300mm me runga ake, ko te 400–600mm te roa.
2. Whakaarohia te pūoko kāmera (anga-katoa vs APS-C/MFT)
Mā te tapahi ka roa ake te ahua o te arotahi. He rite te ahua o te arotahi 200mm i te 1,5x APS-C ki te arotahi 300mm i te anga-katoa.
3. He tino āwhina te whakaū i te ahua
Ki te mea he maha āu whakaahua ā-ringa, whiriwhiria he karāhe me te pūmautanga whatu. Ehara tēnei i te whakakapi mō ngā tere kati teitei mō ngā kaupapa e neke ana, engari he tino āwhina mō ngā kaupapa e kore e neke.
4. Putanga arotahi: f/2.8, f/4, f/5.6 rānei?
– ka tino pai te f/2.8 i te mārama iti me te bokeh, engari he taumaha, he utu nui hoki.
– he māmā ake te f/4, ā, he koi tonu i ētahi wā.
– he iti ake te utu mō te f/5.6–6.3, he pai hoki mō te whakamahinga kanapa o waho.
5. Tirohia te koi me te mahi a te arotahi aunoa
He maha ngā wā ka whakamahia ngā karāhe whakaata-rahi mō ngā mahi tere. He mea nui te arotahi aunoa e arotau ana, e tika ana hoki, inā koa mō ngā hākinakina me ngā kararehe mohoao.
Ngā Tikanga mō te Whakamahi i te Waea Whakaahua mō ngā Hua Tino Pai
– Whakamahia he tere kati haumaru
Ture whānui: 1/(roa arotahi) hēkona hei karo i te pōuriuri (hei tauira, 1/200 mō te 200mm). Mō ngā kāmera taumira teitei, mō ngā kāmera kāore he whakau, me tere ake te nuinga o te wā.
– Whakamahia te aratau pahū me te aroturuki AF
Mō ngā kaupapa e neke ana, whakamahia te arotahi aunoa tonu me te pupuhi pakū hei whakanui ake i tō tupono ki te whiwhi i tētahi wā koi.
– Kia aro ki te roa o te arotahi me te whānuitanga o te nekehanga
Mā te whakamahi i te telephoto ka taea e koe te tango whakaahua mai i tawhiti, engari me aro tonu ki te wāhi tito whakaahua kia kore ai te kaupapa e "tapahia" me te papamuri e whakararuraru.
– Whakamahia he monopod, he tripod rānei mēnā e tika ana
Mō ngā karāhe taumaha, mō ngā wana roa rānei, he āwhina nui te monopod ki te pupuri i te pumau me te kore e tino whakaiti i te nekenekehanga.
Te Katinga
He haumitanga nui te arotahi whakaahua-rahi mō ngā kaiwhakaahua e hiahia ana ki te hopu i ngā kaupapa tawhiti, me te waihanga i tētahi pānga tirohanga kaha - ahakoa mā te kōpeke tirohanga, te wehe kaupapa, te bokeh hopu rānei. Ahakoa he wero kei roto pērā i te hiahia mō te whakaū, te taumaha, me te utu, he pai tonu ngā painga, inā koa mō ngā hākinakina, ngā kararehe mohoao, ngā atamira, me ngā whakaahua. Mā te mārama ki ngā āhuatanga o te arotahi whakaahua-rahi me te whiriwhiri i te roa arotahi me te whānuitanga whakatuwheratanga e tika ana, ka taea e koe te whakanui ake i te kaha o tō kāmera mamati ki te whakaputa whakaahua koi, whakaari, me te taipitopito.
