Sony yinjira-urwego rwuzuye-kamera idafite kamera ni inyamaswa muburyo bwose hamwe na sensor ya megapixel ya megapixel 33, amashusho ya 4K60p, hamwe na ergonomic.
Ubwo Sony yasohokaga a7 IV mu Kuboza, hamwe nogukomeza gutsinda kwa A7 III, yari ifite icyifuzo kinini cyo kuzuza. Uwayibanjirije yasohotse hashize imyaka irenga ine mu mpeshyi 2018, ariko ikomeza kuba imwe murwego rwiza rwinjira- kamera ya kamera kumafoto na videwo.
Hamwe nibintu byingenzi byahinduwe hamwe nubuzima bwiza, Sony yagize a7 IV umuragwa ukwiye kumutwe wa kamera nziza ya Hybrid.
Mu myaka yashize, Sony yigaragaje nk'imwe mu masosiyete meza ya kamera atagira indorerwamo.Yagurishije kamera zitagira indorerwamo mu 2021, nk'uko bitangazwa na NPD Group.Sony ntashobora guhuza umurage w'inganda wa Canon, Nikon cyangwa Fujifilm, ariko yarakinnye uruhare runini mugukwirakwiza kamera zitagira indorerwamo hamwe na seriveri ya Alpha.
Ubwoko bwose bwo guhanga bufite kamera ya Alpha, ariko a7 ikurikirana yagenewe kubikora byose. A7 IV hamwe nubwubatsi bwayo butandukanye ntishobora guhuza amafoto ya megapixel ya a7R IV ya megapixel 61, kandi ikarengerwa nubushobozi bwo gufata amashusho ya A7S III ya 4K120p. .Nyamara, iracyafite uruhare runini nkuburyo bushimishije hagati ya kamera ebyiri zumwuga.
Iyinjiza irashobora kwakira igice cyo kugurisha niba uguze ibicuruzwa ukoresheje amahuza muriyi ngingo.Twinjizamo gusa ibicuruzwa byigenga byatoranijwe nitsinda ryandika ryandika.
Sony a7 IV itanga kamera idasanzwe ya Hybrid ishobora gufata amafoto ya megapixel 33 na videwo kugeza kuri 4K60p.
Uhereye kuri Nikon, ngira ngo hazabaho igihe gikomeye cyo guhindurahindurakuri sisitemu ya Sony.Ariko mubyukuri byatwaye amasaha agera kuri abiri gusa yo gukina na a7 IV kugirango utume buto hamwe nigishushanyo rusange cyunvikana murugo.Sony yajugunye muri buto enye zishobora gukoreshwa, uruziga ruzunguruka, hamwe nubushobozi bwo gusubiramo AF ON buto na AEL, ariko sinkeka ko nari nkeneye guhindura byinshi kugirango menyere kuri setup.Iyo ugomba guhindura igenamiterere, sisitemu ya menu itunganijwe cyane mubyiciro, byoroshye kuyobora ndetse na toni ya Igenamiterere.
Mubiganza byanjye bito, a7 IV ifite umutekano cyane kandi byoroshye gufata, kandi buto zose zumva ahantu heza, cyane cyane inyandikobutoibyo byimuka hafi ya buto yo gufunga. Utubuto twa joystick na muzingo ya tekinike iritonda cyane, binyemerera guhita nanyura mumafoto menshi mugihe ndeba cyangwa uhindura intoki yibanze.
Iyerekana ryuzuye ni kimwe mubintu byateye imbere cyane a7 IV.Birahinduka cyane kuruta ecran ya pop-up idasanzwe kuri a7 III, kandi irashobora kuzunguruka dogere 180 kugirango uhure nawe kugirango byoroshye vlogging cyangwa kwifotoza. Kubirasa byoroshye cyane hafi ya butaka, urashobora kwerekana ecran hafi ya dogere 45 utiriwe wunama nabi kugirango urebe uko ishoti ryawe risa.
Kureba OLED nibyiza kimwe.Ni binini kandi birasa, kandi birasa nkaho ubona hafi ifoto wabona mugihe ukanze shitingi.
Sony kandi yateguye sub-terefone nshya munsi yuburyo bwa terefone kugirango ihindure byihuse kuva kumafoto, videwo na S&Q (bigufi kuburyo bwihuse kandi bwihuse, butuma ushobora gufata amashusho yigihe-cyatinze cyangwa gahoro gahoro muri kamera) .Ushobora hitamo igenamiterere ugomba kubika mugihe uhinduye uburyo cyangwa progaramu igenamigambi runaka igomba gutandukana murubwo buryo.Ni ibintu byoroshye kubishyiramo, ariko ni ibintu bizana rwose imiterere ya Hybrid ya a7 IV.
Ku bijyanye n'ubushobozi bwa autofocus, Kamera ya Alpha ya Sony ntagereranywa.Ni nako bigenda kuri a7 IV. Kubera umuvuduko no kwitabira autofocus, bisa nkaho ari ugushuka iyo urasa nayo.Sony yahaye ibikoresho bizakurikiraho Bionz XR moteri yo gutunganya amashusho, ishobora kubara intumbero inshuro nyinshi kumasegonda, bigatuma a7 IV imenya byihuse isura cyangwa amaso yikintu hanyuma igafunga autofocus kuri yo.
Nizeye neza na autofocus ya a7 IV kugirango ikomeze gukomera ku ngingo, cyane cyane iyo ndimo ndasa muburyo buturika.Nagize ibitekerezo bike byintoki mugihe mfata intumbero kumurongo wuzuye. Igihe kinini, naretse gusa shitingi amarira, kuko ishobora gukubita amakaramu 10 kumasegonda;Nizera ko kamera izakomeza ingingo yanjye ityaye.
Nuburyo bwiza bwa a7 IV mumaso / ijisho-ryibanze AF ni byiza, ndashobora kwibanda kubihimbano. Rimwe na rimwe autofocus irazimira kandi yibanda kubintu bitari byiza, ariko bifite ubwenge buhagije bwo guhindura isura cyangwa amaso kugirango bigarure.Ku masomo adafite isura. , a7 IV yari igishoboye kubona ingingo nziza mumanota yayo 759 AF, nubwo narasa kuri f / 2.8.
Kuri megapixels zigera kuri 33 (megapixels 24.2 kuri a7 III), haribindi bisobanuro byo gukorana mugihe cyo guhinga amafoto, hamwe nubundi buryo bwinyongera.Nagerageje a7 IV hamwe na Sony ya $ 2200 FE 24-70mm F2.8 GM lens, kugirango nshobore zoom kugirango ukosore ibishushanyo byanjye mubihe byinshi. Kubirasa nagombaga guhinga, haracyari byinshi birambuye muguhitamo guhingwa cyane.
Hamwe na a7 IV ya 15 ihagarara ya dinamike kandi ISO igera kuri 204.800, ibintu bito-bito ntakintu gihangayikishije. Urusaku rutangira kugaragara hafi ya ISO 6400 cyangwa 8000, ariko gusa niba ubishaka rwose. Mubyukuri, wowe 'birashoboka ko ntakibazo gihari kugeza kuri ISO 20000, cyane cyane niba urimo kohereza amashusho kuri Instagram cyangwa ubundi buryo buto bwimbuga nkoranyambaga. , ibicu, florescent yo mu nzu hamwe nubutaka bwo hasi.
Kubera ko a7 IV ari kamera ivanze, irashobora kandi gukora amashusho, nubwo ifite ibibazo bike.Sensor itanga ubuziranenge bwa videwo imwe kandi igashyigikira 10-bit 4: 2: 2 kumiterere yose yo gufata amajwi, bigatuma amashusho yoroshye kuyatunganya. post.A7 IV ishyigikira S-Cinetone na S-Log3, bityo ukabona kugenzura byinshi bishoboka hamwe no gutondekanya amabara no guhinduka. Cyangwa urashobora gukoresha ibishushanyo 10 bya Creative Look kugirango ugabanye ibyo wahinduye byose kandi ubuzima bwawe bworoshe.
A7 IV ya axis-eshanu-mumashusho yumubiri ituma ishusho ikorwa neza, ariko hariho uburyo bukora butera buhoro buhoro kugirango bigabanye kunyeganyega kamera.Nubwo iyo nagendaga nkarasa nta gimbal na monopod, amashusho yintoki yari ahagaze bihagije;ntibyasaga nkibirangaza cyane kugirango bikosorwe mugihe cyo guhindura.
Hano hari caveats zizwi cyane kubijyanye nubushobozi bwa videwo ya A7 IV, nubwo.Nkuko benshi babigaragaje, amashusho ya 4K60p mubyukuri yarahinzwe.Niba ushaka gufata amashusho menshi ya videwo yo mu rwego rwo hejuru cyane, ibi birashobora kutubahiriza amasezerano.Hariho kandi a Ikibazo kizwi cyane cyo gufunga ikibazo a7 IV itwara kubayibanjirije, ariko keretse niba uri videwo wabigize umwuga, birashoboka ko ntacyo bitwaye.
Ndumva impamvu Sony yita a7 IV kamera ya "kwinjira-urwego", ariko igiciro cyayo $ 2,499 (umubiri gusa) rwose biratanga itandukaniro.Niba dusangiye isano, bihendutse kuruta Sony a7S iheruka na a7R, byombi. igura $ 3,499 (umubiri gusa). Kugeza ubu, ndatekereza ko a7 IV ifite agaciro kuri iki giciro, kuko byanze bikunze bimanikwa iyo bigeze kumafoto na videwo.
Kubantu nkanjye urasa ahanini acecetse ariko ashaka rimwe na rimwe kwishora muri videwo, a7 IV nuguhitamo kwiza.Ntabwo ndimo gushakisha ubuziranenge bwa videwo, cyangwa igipimo cyihuta cyane, bityo kurasa kugeza kuri 4K60p bigomba kuba bihagije. Mubyukuri , super yihuta kandi yizewe autofocus ituma a7 IV nkumuntu urasa burimunsi.
Muri rusange, ndumva kamera ya Hybrid ya Sony yakubise urundi rugo.Niba ushaka kamera ishoboye ishobora gukora buke buke buke na videwo, a7 IV nibyifuzo byoroshye niba igiciro kitagushize inyuma. .