Compact Flash vs SD memori khadi ya kamera yanu
Zambiri zithunzi ndi makanema Makamera gwiritsani ntchito memori khadi. CF kapena yaying'ono kung'anima makadi ndi otchuka ndi akatswiri, koma SD kapena Secure Digital makhadi achulukirachulukira mzaka zaposachedwa.
Ngakhale sichikhala chofunikira kwambiri posankha kamera yatsopano, ndizothandiza kudziwa zabwino ndi zoyipa za dongosolo lililonse bwinoko pang'ono.
Mu positi iyi tikambirana:
Mafotokozedwe a Compact Flash (CF).
Dongosololi linali lofanana ndi makamera apamwamba a DSLR. Kuthamanga kwa kuwerenga ndi kulemba kunali kofulumira, ndipo kapangidwe kake kamakhala kolimba komanso kolimba.
Makhadi ena amalimbananso kwambiri ndi kutentha kwapamwamba, komwe kungakhale njira yothetsera vuto la akatswiri. Masiku ano, chitukuko chatsala pang'ono kuyima, ndipo makhadi a XQD ndi omwe alowa m'malo mwa dongosolo la CF.
Kodi pakhadi?
- Apa mutha kuwona kuchuluka kwa mphamvu yomwe khadiyo ili nayo, imasiyana pakati pa 2GB ndi 512GB. Ndi kanema wa 4K, imadzaza mwachangu, choncho tengani mphamvu zoposa zokwanira, makamaka ndi zojambula zazitali.
- Uwu ndiye liwiro lalikulu kwambiri lowerenga. M'zochita, kuthamanga uku sikutheka ndipo liwiro silokhazikika.
- Mulingo wa UDMA ukuwonetsa momwe makadi amayendera, kuyambira 16.7 MB/s kwa UDMA 1 mpaka 167 MB/s pa UDMA 7.
- Ili ndiye liwiro lochepera la khadi, lomwe ndi lofunika kwambiri kwa ojambula mavidiyo omwe amafunikira liwiro lotsimikizika lokhazikika.
Kutetezedwa kwa Digital (SD).
Makhadi a SD adatchuka mwachangu kotero kuti m'kupita kwanthawi adapitilira CF posungira komanso kuthamanga.
Makhadi a SD okhazikika amakhala ochepa ndi FAT16 system, SDHC yolowa m'malo imagwira ntchito ndi FAT32 yomwe imakulolani kuti mujambule mafayilo akuluakulu, ndipo SDXC ili ndi exFAT system.
SDHC imakwera mpaka 32GB ndipo SDXC imakwera mpaka 2TB ya mphamvu.
Ndi 312MB/s, liwiro la makhadi a UHS-II ndi pafupifupi kuwirikiza kawiri kuposa la makhadi a CF. Makhadi a MicroSD amapezekanso m'mitundu itatu pamwambapa ndipo amatha kugwira ntchito ndi adaputala.
Dongosololi "ndilogwirizana chakumbuyo", SD imatha kuwerengedwa ndi owerenga SDXC, siigwira ntchito mwanjira ina.
Kodi pakhadi?
- Uku ndiye kusungirako kwa khadi, kuchokera ku 2GB pamakhadi a SD mpaka 2TB pamakhadi a SDXC.
- The pazipita liwiro kuwerenga kuti inu kawirikawiri ngati mungakwanitse kuchita.
- Mtundu wa khadi, kumbukirani kuti machitidwewa ndi "ogwirizana kumbuyo", khadi la SDXC silingawerengedwe mu chipangizo chokhazikika cha SD.
- Ili ndiye liwiro lochepera la khadi, lomwe ndi lofunika kwambiri kwa ojambula mavidiyo omwe amafunikira liwiro lotsimikizika lokhazikika. UHS kalasi 3 sapita pansi pa 30 MB/s, kalasi 1 sapita pansi pa 10 MB/s.
- Mtengo wa UHS umasonyeza kuthamanga kwambiri kwa kuwerenga. Makhadi opanda UHS amapita ku 25 MB/s, UHS-1 amapita ku 104 MB/s ndipo UHS-2 imakhala ndi 312 MB/s. Chonde dziwani kuti wowerenga makhadi ayeneranso kuthandizira mtengowu.
- Awa ndi omwe adatsogolera UHS koma opanga makamera ambiri amagwiritsabe ntchito dzinali. Gulu la 10 ndilopamwamba kwambiri ndi 10 MB/s ndipo kalasi 4 imatsimikizira 4 MB/s.
Makhadi a SD ali ndi mwayi umodzi wocheperako koma wothandiza chifukwa chosinthira chaching'ono kuteteza khadi kuti lisafufutike. Kaya mugwiritsa ntchito mtundu wanji wa khadi, simungakhale ndi okwanira!
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