DSLR Kēnana 7D: arotake, ngā, tohutohu

kihai i SLR kāmera Kēnana EOS 7D, i puta i roto i Mahuru 2009, hei te tauira-anga tonu, e e whakakiia te āputa i waenganui i te 5D Mark II ko 1D Mark III, rite kia mea he i te tuku press te kaiwhakanao me ko te 18-megapixel ApS-C- kāmera. Otiia, he maha kaiwhakamahi tūmanakohia Kua mahi whakatinana i roto i te reira - te flash ahokore, 19-ira AF, te hou Mita Pūnaha iFCL, te whakamahi i te mōhiohio tawhiti, te tae me te tiaho o te tumu parau. Āhuatanga matua Canon EOS 7D:

• Tukua image pūoko 18 Mn;
• Mata Titiro 3 "whakaatu 920,000-ira;
• Te tuhi Full HD-ataata i 30 f / s;
• mana flash ahokore.

Canon 7D: tauira whakaahuatanga

Ko tenei kotahi-arotahi kahuki kāmera mamati i te tihi o te aho Kēnana ApS-C-tauira, nohoia i mua e EOS 50D. Ahakoa taumira o 18 megapixels whakamīharo reira, faaara hoki e kia kia iti nga āhuatanga rite ki te 22.3 × 14.9 mm CMOS-pūoko, ai whakapakoko ahu ki te riro rawa ngangau. whaia ana tēnei take ko EOS 50D, engari kua kitea te kaiwhakanao he otinga i roto i te pūoko hou. kua heke Canon te rohe o circuitry roto reira ki te whakapiki ake i te rahi o te photodiode me te whakarato tūtohutanga tiketike, me te whānuitanga hihiri.

I tua atu, whakamahia te kaihanga i te hoahoa hou o ngā pūtau solar, i whakaaetia ki te whakaahua ke ki te tiaki hiko atu marama me nui haere ōwehenga tohu / haruru. Ka rite ki ki te EOS 50D, ngā 7D pūoko tau raupapatua nga microlens, engari heke te tawhiti i waenganui i a ratou, me te karaihe i ki te whakamutunga hinga atu pūaho.

Ahakoa te maha nui o pika e rua pūtukatuka Digic 4 me waru-hongere readout, te kaihanga i taea te whakatutuki tere shooting tonu mōrahi rite ki te 8 / hekona. A he reira kahore he take mo te mōkihi pūhiko atu mo Kēnana 7D. Ko reira taa'eraa e te mahi o te kāmera 1 ki te / i te tere tere mōrahi e taea tae te D300 Nikon.

E tano ia tapao e tae te arotake mo te wa tuatahi i roto i te tauira EOS Kēnana 7D 100% o te whārahinga 1-puninga (ki 50mm arotahi arotahi i mutu-). Na reira, he whakaaro tuatahi o te anga titiro tino rite ki te whakapakoko whakamutunga.

kīnaki viewfinder whakaatu LCD ki mātakitaki i runga i-mata. Ahakoa ka whakaatu te mātiti he tino uaua ki te tiki i te pae tonu (tautautefito ki he taimi te whakamahi i te arotahi whānui-koki, e hanga e oko distortion), na te hanga-i roto i ngā taumata hiko e hoko atu noa. Canon 7D Ko te kaihanga DSLR-kāmera tuatahi ki te mahi taua. taea te whakaatu i te taumata hiko e rua i runga i te mata LCD ranei i roto i te viewfinder. A, no te karanga i te mahi kaiwhakamahi te whakamahi i te IV hou mō te EOS-ruma ngohengohe matua pātata ki te pātene marumaru, ka tohu AF wāhi ranei ko te kāmera i roto i te tūnga whakapae e kore ranei. Kia aroha mai, riro te taumata i te viewfinder ina tīmata koe tuhi ki te whakahohe i te pūnaha arotahi ranei, kia ka kore e taea te whakamahi "ora" tuhi ā-ringa.

I te tuatahi integrated te kāmera ki te tuku Speedlite, e taea te whakahaere ki te 3 ngā rōpū o hiko EX-raupapa. A, no te whakahaere rite te kāmera flash ariki ka mua-māramatanga, ara, ki te kore e hiahiatia te reira i te wa o te rongo.

I taipitopito feunga nui whakaratohia 1,6x painga rohe whārahinga roa wāhi i roto i te taha ki te tere faahiahia shooting tonu, he pūnaha AF hou, me te whānui o ngā mahi whānui, he tino ataahua hoki photohunting whakaahua pūtea hākinakina ranei, e te tikanga rapu ApS-H Kēnana EOS 7D ranei te kāmera-anga tonu.

hoahoa

I roto i ngā o te rahi me te taimaha, tūnga Canon 7D arotake te i waenganui i te 50D me te anga tonu 5D Mark II. Ka rite ki a ratou, i hanga te tauira te o te koranu konupora me te tiaki ki kătahi wai. kī Canon e te ātete wai o te kāmera e whakarite reira ki te kāwai taua rite taua o te ngaio taumata kāmera EOS-1n.

Ahakoa he rite ki te 820 g te taimaha o te tinana, hanga i te tauira, ko te āhua taimaha, tona āhua me te rapa uhi i te kakau whakarato te mahi hāneanea me te haumaru. Ahakoa i muri i te shooting o te kēmu whutupaoro kei te tonu tīmata ringa ki ite te matatu, ahakoa te whakamahi o te āhua iti, me te ono tekau hoki Kēnana 7D Lens EF 70-300 mm f / 4.5-5.6 DO IS USM.

mana EOS 7D rite 5D Mark II atu te 50D, engari i reira e te tahi mau rerekētanga nui. Hei tauira, neke pātene Tirohia Live kei ki te maui o te hoki o te 5D Mark II i runga i te mata e ki te tika i te viewfinder 7D me te karapotia nei e te pana, e whakawhiti ki runga-mata aratau mātakitaki me te ataata. Ko te he nekehanga atamai, no te mea inaianei ko te mana i roto i taea o te koromatua o tona ringa matau.

Ko te wāhi i whakawātea i Tirohia Live, nohoia e rua atu pātene. Ko tētahi tohua rite te Q, kua whakamahia hoki te uru tere ki te mata mana. Tētahi atu huringa i te hōputu RAW me JPEG tuhi i roto i RAW + JPEG, a ka koperea nga hoki kāmera ki te aratau taketake. Ka taea e kia whai hua tenei ka pihinga JPEG-kōnae mō te raupapa mōrahi wā e hiahiatia ana te kōnae raw mo te ngäwari atu o te tukatuka anga.

Whakangāwari o whakamahi

I runga i te mata Mana Tere whakaatu te tawhā 16 tino nuitia whakaritea, i roto i te t. Ch. Rama aunoa mōhinuhinu. Ka taea te tīpakohia ratou te whakamahi i te rakau tairitenga, me tetahi kōpae. Ko te whakaatu pai mo te haki tere o nga tautuhinga me ngā huringa whakahaere, engari ki te whakaturia te toenga ma, aratau AF, a na i runga i. tonu hiahia Kaiwhakamahi N. ki te whakamahi i te rōpū whiriwhiri runga.

Ka rite ki ngā kāmera DSLR katoa te tahuri Canon, EOS 7D tahua ki mata, ia o nei whakanohoia te i runga i te rōpū LCD, kia māmā ki te rapu mahi. Mana te ataata, hei tauira, kei te kei i runga i te whārangi motuhake e taea ai e koe hohoro whakaturia ake te kāmera mō te tuhi ataata.

Ki te tua o hangarau ataata me kōwhiringa flash atu hipoki kihai i tautuhinga kaiwhakamahi Kēnana 7D nui 6 mahi. Hoki te okiokinga, ki te kahore amuamu e pā ana ki.

tautuhinga image

Ko te pūnaha toenga ma, Canon EOS 7D, kia rite ki arotake kaiwhakamahi, kua puta ke tetahi mea. tuku te reira i mahi nui i roto i te whānui o ngā āhuatanga rama ngā. e kore e Pikitia i raro ki te ako nui, a ka pihinga mōhiohio e wātea ana e pā ana ki te tae o te marama.

Ka rite ki mua, te EOS 7D kua he huinga o ngā whakaahua momo mua-tāuta (paerewa, portrait, Whenua, māori, tika, me te taetahi) me 3 kaiwhakamahi. Ka taea e koe te whakahaere i te koinga, rerekē, waiwai, me te hue o te tae, me te anga taetahi. Te āhua aratau Paerewa he bit oversaturated, reira kaiwhakamahi hiahia ki te whakamahi i ngā kōwhiringa tūturu tangohia ranei.

kia inea te

rite rawa Camera Kēnana 7D te ki te marama tae (iFCL) me 63-rohe kia inea te. Hei whakatau i te puaretanga tika, whakamahi reira ngā mōhiohio e pā ana ki te tawhiti ki te ahanoa i te pūnaha AF, me ngā mōhiohio e pā ana ki te tae me te wherikotanga. Engari o tetahi pūoko i te EOS 7D e rua o ratou: pahono tetahi ki te wāhanga whero me te matomato, me te tahi atu - i runga i te matomato, me te puru. Ka rite ki te hua, he iti tairongo ki te marama whero te pūnaha kia inea te.

Mai whakamahia te mōhiohio te autofocus, he wahi AF wāhi o faufaa rahi. Hei tauira, ki te te kei reira i runga i te tarutaru, pai faaite te papamua te, a tau ana rehurehu te rangi kōruru. Ki te arotahi tatou i runga i nga kapua, he āmiki ratou, a ka tahuri te oneone i roto i underexposed. Ahakoa kua kï whai hua kia inea te arotake i roto i te tahi mau āhuatanga, pera i roto i maha ngā pūnaha ōrite, e kore e taea e akakoromaki i te reira i roto i ngā āhuatanga kōruru.

Canon 7D: autofocus kaiwhakamahi

ka te kāmera te pūnaha AF 19-ira hou. ona āhuatanga katoa he arotahi ripeka-momo, me he whai hua ki te piata mōrahi o te f / 5.6 teitei ranei. No te atu tika tuarua, hauroki ripeka X-āhua ki te f / 2.8 me te wāhi atu pokapū. I tua atu, i reira e neke e 2 ngā rārangi whakapae i roto i te waenganui o te ngā runga, raro, me te puku o. I mua, e wātea ana AF aratau 3: taahiraa (hoki taonga pahoho), AI servo (mō te neke) ko AI Focus, e huri aunoa i waenganui i tuku i a roa ka tīmata te ahanoa mutu kaupapa ranei.

3 tikanga e wātea ana AF o kōwhiringa: kotahi, rohe, me te aunoa 19-ira. homai te kōwhiringa tuatahi te whakatau tika mo te whakaahua, me te whakamutunga i roto i te mana tonu o te kāmera.

Ko te kōwhiringa tuarua 19 tuwhatuwhaia ki 5 rohe o pūoko, me te kaitango whakaahua kōwhiria e te rōpū e hiahiatia ana. Kei te whakamahia te reira, no te neke ngā ina he uaua te aunoatanga ki te pupuri i ara o te wāhi kotahi, a ka arotahi te reira i runga i te ahanoa tata. A, no te he reira uaua ki te arotahi ki runga i te wahi tino o te scene - hei tauira, te matenga o te kaitākaro ngā i roto i te kēmu whutupaoro.

tīpako aunoa 19-ira whakarerekētanga Kēnana 7D arotake hoki ngā e neke pārorirori, a whangai ana te kāmera ki te titiro mo te ūnga pea tata. I roto i te kaitango whakaahua Hai servo taea whakaturia te AF pūwāhi tīmatanga, me te aroturuki i te reira i te kāmera. I roto i enei aratau, e miramira nga mea timatanga kaha ka te AF Pānga Ritenga III-10, na ko reira rawa ngāwari ki te kite ranei ranei e kore te ahanoa tika o nga ara kāmera.

Mā te ritenga mahi III-6 i roto i te rārangi taunoa taea te tāpiri e rua atu aratau kōwhiringa AF. Tenei Wāhi AF, e titiro rite te anga kotahi, engari mo te tika nui i roto i ngā he reira iti. I roto i tenei take, mahi te kōwhiringa whakaahua kei te ā, engari ka taea te whakamahi i te EOS 7D me nga ngā karapoti. E ai ki te urupare kaiwhakamahi, ko te tino whai hua tenei ina pihinga hākinakina. I roto i te rerekē ki te aunoa tīpako 19-ira aratau AF AI servo, e karapoti ana e kore e te wāhi miramira ina he kaha ratou.

E rua ngā kōwhiringa i roto i te tahua kaiwhakamahi, tāpiri te tūtohutanga o aroturuki AI servo (III-1), me te AI servo AF (III-3), ngāwari atu ka arotahi i runga i neke kaupapa. Kua mua taua whai wāhitanga i tono anake i roto i te 1D Mark III ko 1Ds Mark III. whakatau ratou mehemea ki te arotahi ki runga i te tumu parau, ka ko te piri te ahanoa i roto i te anga tonu te 7D, a ki te kahore, pehea hohoro kia whakahoki kupu ai. Ko te whāinga o ratou mahi, ko te ki te āwhina i whakaahua aroturuki o koutou kaupapa me, te mea e tika ana, ki te tau'a ore i te ahua ohorere o, mo te tauira, te tīwae i roto i te anga, ka roiroi. I roto i te whānui, ka karanga mīharo te pūnaha AF Kēnana 7D rangatira arotake. Mai e ngāwari ki te aroturuki i roto i te viewfinder, te maha o matā angitu i runga i 90% i te taonga.

I roto i te atu āhuatanga matatini, ki te wāhi AF (ranei rōpū) te pupuri he uaua, engari ka tupu tenei, he koi i roto i te nuinga o te wā te hua. Engari e kāore te scene he maha nui o pokanoa pea, kōwhiringa kōwhiringa atamai 19-ira aratau AF ki AI haapa'oraa ahanoa aroturuki pakari maitai.

Resolution, haruru me te tūtohutanga

Urupare i ngā kaiwhakamahi, tangohia Canon kamupene kua takahanga nui ki te mahi ki te reo huri noa i te whānuitanga tūtohutanga whakaritenga. Ko te rerekētanga i waenganui i te whakapakoko EOS 50D me 7D he tino kitea i ISO 12800. Here, ko āhua te reo hawhe. Ahakoa ki ISO 3200 kite ratou whakaiti taumata o e pā ana ki te 30%. Te mea faahiahia, e tino tata nga tawhā ngangau mo ia teihana, tohu he tohatoha ōrite. Ahakoa he nui-tūtohutanga image EOS 7D he kakano grainy, he ratou nui Maeneene atu te 50D. Tāpare titiro nui i roto i te taetahi me halftones pouri he whakawiringa.

I runga i te mata rorohiko, he ki tonu i te taipitopito Tino tairongo JPEG-whakapakoko, engari i reira e te tahi mau pāti o te tae. E kore te mea e minaminatia tenei, engari he ratou kitea anake i raro i whārahinga ki runga ki te rahi A3. Image hanga i roto i te ISO 6400 me runga ake, rerekē pixelation tupurangi whero. Nuinga EOS 7D hopu te rota o te taipitopito. Ahakoa i ISO whakarato 12800 kāmera mahi whaitake.

whānuitanga hihiri

I roto i te tautuhinga taunoa, kua he 12EV ngā hihiri, e hāngai ana ki te pai tuku kāmera SLR kua 2 kōwhiringa ki te whakapai ake i te reira 2009 kāmera Kēnana EOS 7D: ki te awhina o Auto Tūrama mōhinuhinu me āhua matua marama. e whakamarama Origin te atarangi, a taea te whakamahi i roto i te aratau puaretanga ā, engari e kore e taea te whakamahi i te reira tukutahi ki te tuarua. Na reira, ki te tiaki i ngā te kōrero pai ki te whakamahi i ngā mana te rongo, a ka - Lighting mōhinuhinu ki te whakaatu i te taipitopito o atarangi i roto i ngā kōnae JPEG. taea hoki te tono i te pānga ki ngā kōnae e te hunga RAW- postprocessing pūmanawa ngā Digital Photo Professional.

tūāwhiorangi tae

A, no te whakaturia te whakapakoko kāhua paerewa ki te wāhi tae o Adobe RGB Canon 7D, rite ki arotake o te tangata, Ko te ahei o hopu tata te whānuitanga katoa o te ICC ki te whero rawa maheni, porotea me pepe papura. I mua, ko te wahi iti te rohe matomato, na e kore e hipokina katoa reira te wāhi katoa Adobe RGB.

LCD, viewfinder me te ataata

Ahakoa kua te EOS 7D he mata pūmau, kua rite rawa Canon reira ki te whakaatu LCD mārama e taea ki a koe te whakaatu i te tukutuku hiato, taumata hiko, me te wāhi me te rohe AF. I roto i te nuinga o ngā āhuatanga, te puka maheni, mārama, me te kanapa, engari i ētahi wā, i roto i te whakaaro o ngā kaiwhakamahi i runga i te rōpū kakano marama kitea o ngā wāhi makaro o āhua maheni. Ahakoa ki te viewfinder kanapa nui whakarato ā-arotahi, i roto i te nuinga o ngā āhuatanga ko reira pai ki te whakamahi i te whakapakoko nui i runga i te mata LCD. Ko reira māmā ki te kia pau, ka nui haere te rohe e hiahiatia ana o te scene te.

Whakaatu EOS 7D he 3 inihi i roto i hauroki, me te taumira 920K. Piro (307 mano. Pika). Hei whakaiti i whakaata me te kōnakonako, whakakiia Canon mata te āputa i waenganui i te tioata me te mata karaihe o te rauemi manahau mārō hou optical nei atatāhapa taupū he rite ki te karaihe. Tenei whakamatauria ki te kia whakatikaia, no te mea whakarato te whakaatu he whakapakoko rawa mārama noa i roto i te marama ambient kanapa.

kia tuhia Video ki te taumira o 1920 × 1080 pika (HD Full) i te 30, 25 ranei 24 f / s, a 1280 x 720 ranei 640 x 480 - 60 ranei 50 f / s. Ka rite ki ki Ka taea e te aratau mātakitaki i runga i-mata i roto i te tuhi ataata autofocus, engari he maha pai ki te whakamahi i te mana ā-, rite te pūnaha he pängia ana ki te auhia atu ūnga.

I tua atu, ki te te tuhi tangi mā te whakamahi i te hopuoro monaural ā-(whai Jack mō te hopuoro waho), te pēhi me nekehanga ringa pai whakaiti. ki tonu o maha kōrero, me maheni nekehanga i te tere anga taumira, me te ataata teitei.

mutunga

Ko faahiahia pūnaha AF New EOS 7D o, a titau ona whakamahi mōrahi he pai te māramatanga o te kaupapa i te wāhi o te tirohanga o te kāmera, me te matauranga o mahi tautuhi-kaiwhakamahi e wātea ana. hopoi mai tenei ki te lineup Kēnana AF kōeke teitei Nikon. taka pai pūnaha autofocus EOS 7D ki te auau mōrahi tonu shooting o 8 K / s, e hanga te kāmera he pai rawa pai mō inapō hākinakina nui, me ngaio kore e taea e te tangata e tona ringa 1D Mark IV utu 4499 tara, ranei te hunga e kore e nei hiahia i te pūoko nui . E ai ki te urupare kaiwhakamahi, te pikitia i roto i te aratau o tiketike-tere shooting tonu ētahi wā mamae i ghosting, engari kua tukua te kaiwhakanao te whakahou mārō e i mahara ki te whakakore i tenei drawback.

mea Engineers a Canon ki kua ora ake ki o ratou tūmanako, tino pai ake te EOS 7D whakaritea ki te 50D. Tino nui haere matā taipitopito me te haruru, puta noa i te whānuitanga tūtohutanga whakahaeretia pai nui te, hanga atu pūkenga te kāmera.