Sony A7R IV: chiwonetsero chazithunzi posachedwa kwambiri
Ogwiritsa ntchito malo ochezera a pa Intaneti atulutsa kale bomba la Sony Corporation bomba la 61 megapixel. Kupatula apo, iyi ndi kamera yoyamba yopanda mawonekedwe osanja yokhala ndi matrix pamsika wapadziko lonse. Sony A7R IV ili patsogolo kwambiri pa mpikisano wawo pamaukadaulo enaake ndi magwiridwe ake.
Canon ndi Nikon akuyembekezeredwanso kubweretsa zothetsera zawo kumsika. Akatswiri amati opikisana nawo sanakhalepo ndi zinthu zatsopano zosangalatsa kwa nthawi yayitali. Zotsatira zake, Sony ndiye woyamba "kuwombera". Ndipo bwino kwambiri. Atapanga chiwonetsero cha kamera ndikugawana maluso, oyimira kampaniyo nthawi yomweyo adalengeza tsiku loti agulitse zida ndi mtengo woyambirira. Zabodza zidzagulitsidwa mu September 2019 ya chaka, mtengo woyambira ndi 3500 madola US.
Sony A7R IV: mwachidule
- Chiwerengero cha Model: ILCE-7RM4
- Sensor: 61 megapixel full-frame Exmor R CMOS sensor
- Pulogalamu Yajambula: BIONZ X
- Mfundo za AF: Hybrid AF, 567 gawo loyang'ana, 325 mosiyana ndi mfundo za AF
- Mitundu ya ISO: 100 mpaka 32 000 (exp. 50-102 400)
- Max Kukula kwa Zithunzi: 9504 x 6,336
- Njira Zoyezera: Zigawo Zambiri, Pakati Pazikulu, Spoti, Medium, Bright
- Kanema: 4K UHD ku 30p, 24p
- Mawonekedwe owonera: EVF, 5,76 m point
- Khadi lokumbukira: 2x SD / SDHC / SDXC (UHS II)
- LCD: 3 inch tatch touch screen, madontho a 1,44 m
- Kuthamanga kwakukulu: Mafelemu a 10 pa sekondi iliyonse
- Kulumikizana: Wi-Fi, Bluetooth, NFC
- Kukula: 128,9 x 96,4 x 77,5 mm
- Kulemera: 655 g (nyumba yokhayo, yokhala ndi batire ndi khadi ya SD)
Kutengera ndi ma specs, Hybrid AF imawoneka bwino. Njira yojambulira makanema ndiyosokoneza kwambiri. Pazosankha za 4K, malire a chimango amakhala okwera kwambiri - 30p ndi 24p. Ndizomvetsa chisoni kuti Sony adalakwitsa chotere. Kupatula apo, makamera amitundu yakale yochokera kwa omwe akupikisana nawo amatha kuwombera makanema pafupipafupi 60 / 50r.
Koma kutsatira patofocus ndi mafelemu a 10 pa sekondi iliyonse pamene mukujambula zithunzi ndi chizindikiro chabwino. Ophunzira ayamikira. Kuphatikiza - kusinthika kwa chipangizocho. Oimira kampaniyo akuti a Mark III sakuyimirira pafupi ndi Sony A7R IV.
Zomwe zili zatsopano zimakhala ndi ma modula angapo okhala ndi pixel kosuntha. Kuphatikiza zithunzi za 4 ndi chithunzi cha utoto wathunthu kapena zithunzi za 16 zokhala ndi gawo laling'ono la pixel, mutha kupanga chithunzi cha 240-megapixel.
Sony A7R IV zowonera zamagetsi, poyerekeza ndi omwe adatsogolera, ali ndi OLED chiwonetsero cha 5,76 mamiliyoni a madontho inchi iliyonse. Mphekesera zili ndi zakuti Sony "inaba" chowonera kuchokera ku Panasonic. Osachepera pamitundu ya S1 ndi S1R, chowonera chimodzimodzi. Kwa ogwiritsa ntchito ndi manja akunjenjemera, kukhazikitsidwa kwa 5-axis kumaperekedwa panthawi yakuwombera.
Kusintha kwa Sony A7R III
Monga yomwe idatsogolera, Sony A7R III, kamera ndi yaying'ono kwambiri komanso yopepuka. Akatswiri amagwira ntchito pa ergonomics ya milanduyi. Chosavomerezeka chidagwira mwamphamvu chogwirira. Tsopano kugwirira chipangizocho ndi dzanja limodzi ndikosavuta, ngakhale ndi mandala akuluakulu.
Adawonjezeranso loko pamalopo, omwe wojambulawo pa Sony A7R III amagogoda pansi chala. Kutukuza mabatani ndi chotsekeramo - kudzimitsa kwakukulu kumapanikizidwa. Kusangalatsa ndi chitetezo cha kamera ya kamera ku fumbi ndi chinyezi.
Sony anasiya maikolofoni yachikhalidwe. Tsopano kamera ya Sony A7R IV ili ndi chosinthira chake pa analog-to-digito. Izi ndi zolimba mtima kuphatikiza nkhani. Asanayambe kugwiritsa ntchito mawu osonyeza mtundu wa digito, njirayi imatha kuthetsa phokoso, kuyika zotsatira ndikuchita pokonza ndi makina a wosuta.
Chovuta china chinawonjezeredwa zolakwika ndi vidiyo yowombera mu mtundu wa 4. Palibe mkonzi wa RAW mu kamera. Pakusintha zithunzi, muyenera kusamutsa zithunzi kuti zizigwiritsa ntchito kompyuta. Kuphatikizanso, pazosintha, wogwiritsa ntchito sadzapeza zojambula za mtundu wa RAW okha. Mwachitsanzo, sinthani mawonekedwe a chithunzi chosakakamizidwa. Mwamwayi, msika wa flash drive wakonzeka kupereka khadi yayikulu.