Lub Koob Yees Duab Digital Dual Memory Card Slot
Nyob rau lub caij nyoog niaj hnub no ntawm kev thaij duab thiab videography, cov koob yees duab digital tsis yog siv los thaij cov sijhawm yooj yim xwb. Ntau tus neeg siv - los ntawm cov kws thaij duab tshoob thiab cov neeg sau xov xwm mus rau cov neeg tsim cov ntsiab lus thiab cov neeg ua haujlwm hauv tuam txhab - vam khom cov koob yees duab ua lawv cov cuab yeej ua haujlwm tseem ceeb. Yog li ntawd, kev ntseeg tau ntawm kev khaws cov ntaub ntawv yog qhov tseem ceeb heev. Ib qho feature uas pom ntau ntxiv ntawm cov koob yees duab nruab nrab mus rau cov kws tshaj lij yog ob lub qhov rau daim npav nco. Qhov feature no yuav zoo li yooj yim: ob qhov chaw rau ntxig daim npav nco. Txawm li cas los xij, nws muaj kev cuam tshuam loj heev rau kev ruaj ntseg ntawm cov ntaub ntawv, kev ua haujlwm yooj yim, thiab kev hloov pauv ntawm cov khoom tsim tawm.
Tsab xov xwm no tham txog seb qhov chaw ntsaws daim npav nco ob lub yog dab tsi, lawv ua haujlwm li cas, lawv cov txiaj ntsig, cov hom kev teeb tsa feem ntau, thiab tej yam uas yuav tsum xav txog ua ntej xaiv lub koob yees duab nrog qhov feature no.
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Qhov Chaw Muab Ob Daim Npav Nco Yog Dab Tsi?
Muaj ob lub qhov rau daim npav nco yog ib qho tshwj xeeb ntawm cov koob yees duab digital uas tso cai rau cov neeg siv ntxig ob daim npav nco tib lub sijhawm. Ob lub qhov no tuaj yeem yog tib hom npav (piv txwv li, SD + SD) lossis sib txawv (piv txwv li, CFexpress + SD, lossis XQD + SD). Muaj ob lub qhov ua rau lub koob yees duab muaj peev xwm tswj tau seb cov ntaub ntawv duab thiab yeeb yaj kiab raug sau li cas: seb lawv puas raug theej rau ob daim npav tib lub sijhawm, sib cais los ntawm hom ntaub ntawv, lossis siv hloov pauv thaum ib daim npav puv.
Ntawm cov koob yees duab tshaj lij, ob lub qhov (dual slots) feem ntau suav hais tias yog tus qauv vim tias qhov kev pheej hmoo ntawm kev poob cov ntaub ntawv vim yog daim npav puas tsuaj, kev ua yuam kev ntawm tus neeg siv, lossis teeb meem kev siv tshuab tuaj yeem ua rau puas tsuaj loj heev - tshwj xeeb tshaj yog tias lub sijhawm uas tau thaij tsis tuaj yeem rov ua dua.
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Vim li cas ob chav qhov tseem ceeb?
Daim npav nco yog cov khoom me me, tab sis lawv ua lub luag haujlwm tseem ceeb. Daim npav tuaj yeem ntsib qhov yuam kev, cov ntaub ntawv puas tsuaj, lossis txawm tias nyeem tsis tau. Qhov no tsis tshwm sim ntau zaus, tab sis thaum nws tshwm sim, qhov tshwm sim tuaj yeem ua rau puas tsuaj loj heev: cov duab tshoob ploj, cov ntaub ntawv xam phaj puas tsuaj, lossis cov yeeb yaj kiab ua haujlwm ntawm cov neeg siv khoom siv tsis tau. Nrog ob lub qhov, cov koob yees duab tuaj yeem muab ib txheej kev ruaj ntseg ntxiv.
Tsis tas li ntawm kev ruaj ntseg, ob lub qhov (slots) kuj txhawb kom muaj kev ua haujlwm yooj yim dua. Piv txwv li, cov kws thaij duab uas thaij RAW thiab JPEG tuaj yeem cais cov zis tawm kom ua kom cov txheej txheem xaiv thiab xa khoom sai dua. Cov kws thaij duab kuj tseem tuaj yeem npaj lawv cov xov xwm rau kev kaw cov yeeb yaj kiab ntev dua yam tsis tas yuav hloov daim npav ntau zaus.
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Qhov Chaw Rau Daim Npav Nco Ob Chav
Txhua lub koob yees duab hom muaj cov lus qhia zaub mov sib txawv me ntsis, tab sis feem ntau muaj peb qhov chaw teeb tsa tseem ceeb:
1. Thaub qab / Kev kaw suab tib lub sijhawm (Daim theej rau ob daim npav)
Hauv hom no, lub koob yees duab sau tib cov ntaub ntawv rau ob daim npav 1 thiab 2 tib lub sijhawm. Qhov no yog hom nyiam rau kev ua haujlwm tseem ceeb vim tias yog tias ib daim npav ua tsis tiav, daim qauv tseem muaj nyob rau lwm daim.
Qhov tsis zoo yog tias lub peev xwm ua haujlwm tau zoo yuav zoo ib yam li daim npav me dua. Piv txwv li, yog tias koj siv daim npav 64GB thiab 128GB, lub peev xwm thaub qab yuav "txwv" rau 64GB vim tias ob daim npav yuav tsum muaj cov ntaub ntawv zoo ib yam.
2. Kev Kaw Cov Ntaub Ntawv Overflow / Relay (Hloov pauv thaum puv)
Hom Overflow ua rau lub koob yees duab sau cov ntaub ntawv rau daim npav thawj zaug kom txog thaum nws puv, tom qab ntawd hloov mus rau daim npav thib ob. Qhov no zoo tagnrho rau cov yeeb yaj kiab ntev lossis cov yeeb yaj kiab kaw uas xav tau kev ua si tas mus li, vim tias koj tsis tas yuav tsum tsis txhob ua haujlwm kom hloov daim npav.
Qhov tsis zoo yog tias qhov feature no tsis muaj kev ruaj ntseg zoo li hom backup. Yog tias daim card uas siv tau puas lawm ua ntej nws raug tsiv mus, cov ntaub ntawv ntawm nws tseem yuav ploj mus.
3. Cais / Faib Cov Ntaub Ntawv (Kev Cais Hom Ntaub Ntawv)
Hauv hom no, koj tuaj yeem cais cov ntaub ntawv raws li hom ntawv lossis kev ua haujlwm. Cov piv txwv feem ntau yog:
– RAW khaws cia rau ntawm daim npav 1, JPEG rau ntawm daim npav 2.
– Cov duab nyob rau ntawm daim npav 1, cov yeeb yaj kiab nyob rau ntawm daim npav 2.
- Cov ntaub ntawv daws teeb meem siab ntawm daim npav 1, cov ntaub ntawv proxy/me me ntawm daim npav 2 (ntawm qee lub koob yees duab).
Qhov zoo ntawm hom no yog kev ua haujlwm zoo dua. Piv txwv li, cov kws thaij duab tuaj yeem xa cov duab JPEG ncaj qha los ntawm daim npav thib ob yam tsis tas yuav ua cov duab RAW ua ntej.
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Hom Qhov Chaw Nco thiab Kev Sib Xyaws
Tsis yog txhua qhov chaw tau tsim sib npaug. Nov yog qee qhov kev sib xyaw ua ke:
Qib Pib + Qib Pib (UHS-I/UHS-II)
Qhov no yog qhov feem ntau, tshwj xeeb tshaj yog nyob rau hauv nruab nrab-qib mirrorless thiab DSLR koob yees duab. Qhov zoo yog tias SD cards yooj yim nrhiav tau, pheej yig, thiab sib xws nrog ntau yam khoom siv.
Txawm li cas los xij, koj yuav tsum tau ua tib zoo saib seb ob lub qhov (slots) puas txhawb nqa tib qhov ceev. Qee lub koob yees duab muaj qhov (slot) 1 txhawb nqa UHS-II (sai dua) thiab qhov (slot) 2 txhawb nqa tsuas yog UHS-I xwb. Yog tias koj qhib hom thaub qab, qhov ceev yuav qeeb dua qhov qeeb dua vim tias lub koob yees duab yuav tsum sau ntawv rau ob daim npav.
CFexpress / XQD + SD
Qhov kev teeb tsa no feem ntau pom muaj nyob rau hauv cov koob yees duab uas txhawb nqa cov yeeb yaj kiab siab lossis cov duab tawg sai heev. CFexpress (lossis XQD hauv qee tiam neeg) muaj qhov ceev sau sai dua li cov npav SD ib txwm muaj.
Qhov kev sib xyaw ua ke no muaj kev ywj pheej: koj tuaj yeem siv CFexpress rau cov yeeb yaj kiab hnyav thiab SD rau cov duab, lossis rov ua dua. Qhov tsis zoo yog tias cov ntawv thiab cov nyeem ntawv feem ntau kim dua.
CFexpress + CFexpress
Ntawm qee lub koob yees duab tshaj lij, ob qho chaw txhawb nqa CFexpress. Qhov no zoo tagnrho rau kev ua haujlwm hnyav vim tias kev ua haujlwm ntawm ob qho chaw sib npaug. Txawm li cas los xij, kev nqis peev hauv xov xwm yeej siab dua.
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Kev cuam tshuam ntawm Dual Slots rau kev ua haujlwm ntawm lub koob yees duab
Muaj ntau tus neeg siv nug tias: puas yog ob lub qhov (dual slots) ua rau lub koob yees duab qeeb dua? Cov lus teb yog: yog, tej zaum nws yuav tsis yog—nws nyob ntawm hom thiab qhov chaw.
– Hauv hom thaub qab, lub koob yees duab sau ob zaug. Yog tias ib qho chaw qeeb dua, lub buffer tuaj yeem puv sai dua thaum tua cov duab tawg.
- Hauv hom overflow, kev ua tau zoo feem ntau yog sib npaug rau kev siv ib daim npav, vim nws tsuas yog sau rau ib qho xov xwm ib zaug.
- Hauv hom faib, kev ua tau zoo nyob ntawm hom ntaub ntawv thiab lub koob yees duab faib cov ntaub ntawv sau li cas.
Yog li ntawd, txhawm rau kom tau txiaj ntsig ntau tshaj plaws ntawm ob lub qhov (dual slots), koj raug qhia kom siv daim npav zoo nrog qhov ceev sau ntawv txaus thiab zoo dua sib npaug, tshwj xeeb tshaj yog tias koj siv hom thaub qab ntau zaus.
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Kev Ua Haujlwm Tshaj Lij: Piv Txwv Siv Tiag
Ob lub qhov (dual slots) tsis yog tsuas yog ib qho "backup" feature xwb, lawv kuj yog ib qho cuab yeej tswj kev ua haujlwm. Nov yog qee qhov piv txwv ntawm seb lawv siv li cas:
1. Tus Kws Thaij Duab Tshoob Kos
- Hom: thaub qab.
- Vim li cas: lub sijhawm no tsis tuaj yeem rov ua dua, yog li ntawd qhov kev pheej hmoo yuav tsum tau txo qis.
2. Tus Neeg Sau Xov Xwm Hauv Tebchaws
- Hom: RAW + JPEG faib.
- Vim li cas: Cov duab JPEG tuaj yeem xa mus rau tus editor tam sim ntawd, RAWs raug khaws cia rau kev khaws cia thiab kho kom tob.
3. Tus Kws Thaij Duab Yeeb Yaj Kiab Txog Kev Tshwm Sim
- Hom: Nchuav rau lub sijhawm ntev.
- Vim li cas: ntau dua kev kaw tas mus li yam tsis tas hloov daim npav ntau zaus.
4. Tus Tsim Cov Ntsiab Lus
- Hom: Yees duab ntawm daim npav ceev, duab ntawm daim npav thib ob.
- Vim li cas: kom tswj tau qhov ruaj khov ntawm cov yeeb yaj kiab, thaum sib cais cov ntaub ntawv kom yooj yim nrhiav.
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Tej Yam Yuav Tsum Xav Txog Ua Ntej Yuav Lub Koob Yees Duab Dual-Slot
Txawm hais tias nws muaj txiaj ntsig, muaj ntau yam yuav tsum nco ntsoov:
- Cov nqi xov xwm: ob lub qhov (dual slots) txhais tau tias qhov zoo tshaj plaws yog koj yuav ob daim npav zoo es tsis txhob yuav ib daim.
- Qhov ceev ntawm qhov chaw: xyuas kom tseeb tias ob qho chaw txhawb nqa tus qauv koj xav tau (UHS-II, CFexpress Hom A/B, thiab lwm yam).
– Kev ntseeg tau tseem xav tau cov txheej txheem: ob lub qhov (dual slots) tsis hloov cov backups rau lub laptop, hard drive, lossis huab. Lawv tsuas yog txo qhov kev pheej hmoo ntawm theem rov qab tau.
- Cov ntawv qhia zaub mov thiab kev tswj hwm: xyuas seb lub koob yees duab puas ua rau nws yooj yim los teeb tsa hom qhov thiab xaiv daim npav nquag.
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Xaus
Ob lub qhov rau daim npav nco ntawm cov koob yees duab digital yog qhov tseem ceeb, muab kev ruaj ntseg ntawm cov ntaub ntawv, kev yooj yim khaws cia, thiab kev ua haujlwm zoo dua. Nrog rau cov hom xws li thaub qab, overflow, thiab kev sib cais hom ntaub ntawv, cov neeg siv tuaj yeem kho lub koob yees duab kom haum rau ntau yam kev xav tau ntawm kev thaij duab lossis kev kaw suab.
Rau cov neeg pib tshiab, qhov feature no yuav zoo li yog ib qho ntxiv. Txawm li cas los xij, rau txhua tus neeg uas feem ntau tua cov xwm txheej tseem ceeb, ua haujlwm rau cov neeg siv khoom, lossis tua cov yeeb yaj kiab uas tsis tuaj yeem ua tsis tiav, dual slots yog qhov kev nqis peev zoo heev. Thaum kawg, nws tsis yog hais txog qhov chaw cia khoom xwb, tab sis txog kev thaj yeeb ntawm lub siab: paub tias koj txoj haujlwm tau thaub qab txij li thaum koj nias lub khawm shutter lossis kaw.
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Yog tias koj xav tau, kuv tuaj yeem hloov kho tsab xov xwm no kom muaj kev txawj ntse ntau dua (nrog kev sib piv ntawm SD UHS-I vs UHS-II, CFexpress, thiab lawv cov teebmeem ntawm buffer / burst), lossis nrov dua rau tus nyeem ntawv dav dav.
