Canon 5D Mark II vs 7D | Canon EOS 7D vs EOS 5D Mark II Nta Sib piv
Canon yog lub npe uas los rau txhua tus lub siab thaum tham txog lub koob yees duab thiab yees duab. Lub canon 5D Mark II thiab 7D yog ob ntawm canon cov khoom lag luam. Cov qauv no tuaj yeem suav hais tias yog cov koob yees duab zoo tshaj plaws thiab cov koob yees duab, uas muab kev tswj hwm qhov kawg rau txhua qhov teeb meem. Cov koob yees duab zoo li no muab rau tus kws yees duab qhov zoo tshaj plaws kom sawv tawm ntawm pob. Hauv tsab xov xwm no, peb yuav los sib piv cov specifications, zoo sib xws, cons thiab pros, thiab thaum kawg qhov txawv ntawm Canon EOS 5D Mark II thiab Canon EOS 7D.
Lub tswv yim xaiv lub koob yees duab Digital
Kev daws teeb meem ntawm lub koob yees duab
Kev daws teeb meem ntawm lub koob yees duab yog ib qho ntawm cov ntsiab lus tseeb uas tus neeg siv yuav tsum tau saib thaum yuav lub koob yees duab. Qhov no tseem hu ua tus nqi megapixel. 5D Mark II nta ib qho kev daws teeb meem 21.1 megapixels ua rau 36 x 24 mm CMOS sensor. Lub 7D yog me ntsis tom qab hauv kev daws teeb meem, uas tseem muaj qhov zoo 18.0 Megapixel sensor ua rau hauv 22.3 x 14.9 mm CMOS sensor. Lub 5D Mark II ua tau zoo tshaj 7D hauv kev daws teeb meem.
YISO Performance
ISO tus nqi ntau kuj yog qhov tseem ceeb. ISO tus nqi ntawm lub sensor txhais tau tias ntau npaum li cas rhiab heev lub sensor yog rau ib tug muab quantum ntawm lub teeb. Cov yeeb yam no tseem ceeb heev hauv kev txhaj tshuaj hmo ntuj thiab kev ua kis las thiab kev thaij duab thaij duab. Tab sis nce tus nqi ISO ua rau lub suab nrov hauv daim duab. Lub canon 7D muaj ISO ntau ntawm 100 txog 6400, thiab muaj hom ISO siab ntawm 12800 ISO. 5D Mark II muaj ISO ntau yam ntawm 100 txog 6400 nrog ob hom ISO siab ntawm 12800 thiab 25600 ISO, thiab hom qis ntawm 50 ISO.
Frames Per Second Rate
Frames ib tus nqi thib ob lossis feem ntau hu ua FPS tus nqi kuj yog ib qho tseem ceeb thaum nws los txog rau kev ua kis las, tsiaj qus thiab kev yees duab. FPS tus nqi txhais tau hais tias tus naj npawb ntawm cov duab uas lub koob yees duab tuaj yeem tua ib ob ntawm ib qho chaw. EOS 7D muaj qhov zoo heev 8 ntas ib tus nqi thib ob. Qhov no tuaj yeem khaws cia txog li 126 JPEG cov duab lossis 15 RAW duab. EOS 5D Mark II muaj tus nqi tsim nyog ntawm 3.7 - 3.8 ntas ib ob. Hauv qhov kev nkag siab no, tus nqi fps ntawm 7D yooj yim dua ob npaug ntawm 5D Mark II. Qhov no yog vim hais tias 7D nta ib tug dual DIGIC 4 processor, thaum lub 5D Mark II muaj ib tug DIGIC 4 processor.
Shutter Lag thiab Lub Sijhawm Rov Qab
A DSLR yuav tsis thaij duab sai li sai tau thaum lub kaw lus raug nias. Hauv feem ntau ntawm cov xwm txheej, nws pib tsom thiab nws pib qhov ntsuas dawb yuav tshwm sim tom qab lub pob nyem. Yog li ntawd, muaj lub sijhawm sib txawv ntawm cov xovxwm thiab cov duab tiag tiag. Qhov no yog lub npe hu ua shutter lag ntawm lub koob yees duab. Ob lub EOS 7D thiab 5D Mark II muaj lub kaw lus me me lossis tsis muaj qhov kaw kaw txhua qhov.
Number of Autofocus Points
Autofocus cov ntsiab lus lossis AF cov ntsiab lus yog cov ntsiab lus uas tau tsim rau hauv lub cim xeeb ntawm lub koob yees duab. Yog tias muaj qhov tseem ceeb rau qhov AF point, lub koob yees duab yuav siv nws lub peev xwm autofocus los tsom lub lens rau cov khoom hauv qhov muab AF point. Lub 5D Mark II muaj 9 taw tes AF system nrog 6 qhov pom tsis pom kev pab cuam, kev xaiv ntawm AF cov ntsiab lus yog hloov tau yooj yim. Cov nta xws li AF micro hloov kho kuj suav nrog hauv qhov system. Lub EOS 7D muaj 19 taw tes autofocus system nrog hloov tau yooj yim taw tes.
High Definition Movie Recording
Cov yeeb yaj kiab siab lossis HD yeeb yaj kiab sib haum rau cov yeeb yaj kiab uas muaj kev daws teeb meem siab dua li cov qauv txhais cov yeeb yaj kiab. HD movie hom yog 720p thiab 1080p. 720p muaj qhov ntev ntawm 1280 × 720 pixels, thaum lub 1080p muaj qhov ntev ntawm 1920 × 1080 pixels. Ob lub koob yees duab muaj 1080p siab txhais video kaw.
Nyhav thiab Dimensions
Canon 5D Mark II nyeem qhov ntsuas qhov ntev ntawm 152 x 114 x 75 mm thiab hnyav 810 g yam tsis muaj roj teeb. Lub Canon 7D qhov ntev nyeem li 148 x 111 x 74 mm thiab hnyav 820 g yam tsis muaj roj teeb. Lub 5D Mark II yog me ntsis loj dua 7D; kuj tseem sib zog me ntsis.
Cia nruab nrab thiab muaj peev xwm
Nyob hauv DSLR koob yees duab, lub cim xeeb inbuilt yuav luag negligible. Yuav tsum muaj cov cuab yeej cia sab nraud los tuav cov duab. Ob lub koob yees duab txhawb UDMA phaib.
Battery Life
Lub roj teeb lub neej ntawm lub koob yees duab tseem ceeb heev. Nws qhia peb txog kwv yees tus naj npawb ntawm cov duab uas tuaj yeem coj mus rau hauv ib qho nqi. Qhov no yog qhov tseem ceeb heev hauv kev yees duab sab nraum zoov qhov twg lub hwj chim tsis yooj yim. Lub 5D Mark II tuaj yeem siv kwv yees li 850 txhaj tshuaj nrog ib zaug xwb thaum 7D tuaj yeem siv li 800 txhaj tshuaj. Yog tias koj tab tom siv qhov kev pom nyob koj yuav zaum ntawm lub roj teeb sai dua qhov no.
Live Saib thiab yoog raws ntawm cov zaub
Live saib yog lub peev xwm los siv lub LCD ua tus saib pom. Qhov no tuaj yeem yooj yim vim tias LCD muab qhov pom tseeb ntawm daim duab hauv cov xim zoo. Ob lub koob yees duab tau pom nyob nrog LCDs ruaj khov.
Zaj lus
Ob lub koob yees duab no yog cov koob yees duab DSLR siab kawg, tab sis 5D Mark II ua tau zoo tshaj 7D hauv yuav luag txhua yam. Ob lub koob yees duab no tuaj yeem suav tias yog kev xaiv zoo rau tus nqi.
