Nikon D3100 vs D7000 | Nikon D7000 vs Nikon D3100 nta, kev ua tau zoo piv
Nikon yog lub npe loj hauv kev lag luam koob yees duab. Nws muaj qee qhov zoo tshaj plaws DSLR thiab cov koob yees duab compact lined. Nikon D3100 yog qib nkag DSLR, thaum D7000 yog ib lub koob yees duab DSLR ib nrab. Kab lus no yuav sim sib piv cov yam ntxwv ntawm kev sib tham txog qhov sib txawv ntawm Nikon D3100 thiab D7000.
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 yam ntxwv tseem ceeb uas tus neeg siv yuav tsum tau saib thaum yuav lub koob yees duab. Qhov no tseem hu ua tus nqi megapixel. Nikon D7000 nta 16.2 megapixel sensor nrog 14 ntsis A / D hloov dua siab tshiab, thiab Nikon D3100 nta 14.2 megapixel sensor nrog 12 ntsis A / D hloov dua siab tshiab. Qhov no txhais tau tias D7000 sai dua thiab muaj kev daws teeb meem ntau dua li D3100.
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. D3100 muaj ISO ntau ntawm 100 txog 6400 "tus qauv" ISO, thiab tuaj yeem nthuav dav mus txog 12800 ISO. Lub caij no, D7000 muaj ISO ntau ntawm 100 txog 6400 ISO, tab sis tuaj yeem nthuav dav mus txog 25600 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. Qhov no yog qhov uas qhov sib txawv loj tuaj. Lub D3100 muaj qhov yuav luag tau txais tus ncej ntawm 3 ntas ib ob. Tab sis D7000 muaj 6 ntas ib tug thib ob tus nqi, uas yog tiag tiag impressive rau nws cov chav kawm.
Shutter Lag thiab Lub Sijhawm Rov Qab
A DSLR yuav tsis thaij duab sai li sai tau thaum lub kaw lus raug nias. Nyob rau hauv feem ntau cov xwm txheej nws pib tsom thiab nws pib dawb ntsuas yuav tshwm sim tom qab lub pob nias. 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 koob yees duab no muaj lub kaw lus me me heev.
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 D3100 muaj 11 point autofocus system, uas yog ib qho ntawm cov koob yees duab nkag. Tab sis D7000 muaj 39 point autofocus system nrog 9 cross type sets.
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 no txhawb nqa 1080p 24 thav duab hauv ob qhov kev kaw yeeb yaj kiab.
Nyhav thiab Dimensions
Tus D3100, uas yog qhov me me thiab sib zog dua li D7000, ntsuas 124 x 96 x 75 mm hauv qhov ntev thiab hnyav 505 grams suav nrog roj teeb. Tab sis D7000 hnyav 780 grams thiab ntsuas 132 x 105 x 77 mm nyob rau hauv qhov ntev.
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 no txhawb SD, SDHC thiab SDXC nco daim npav.
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 no tau pom nyob nrog 3 nti LCDs.
Zaj lus
D7000 yog ib tus kws tshaj lij DSLR, thaum D3100 yog qib nkag DSLR. Cov yam ntxwv hauv D7000 yog khi rau outrun cov hauv D3100. Tab sis yog hais tias koj yog ib tug amateur uas xav mus ko taw rau hauv lub ntiaj teb no DSLR D3100 yog ib tug zoo xaiv.
