Video: Daim iav twg siv hauv CCTV koob yees duab?
2024 Tus sau: Lynn Donovan | [email protected]. Kawg hloov kho: 2023-12-15 23:47
Txawm li cas los xij, CCTV koob yees duab systems yog kim thiab nyuaj rau siv. Koj yuav tsum xav txog kom tau ib qho convex iav . Convex yog dab tsi iav ? Nws yog nkhaus iav uas tso cai rau kom pom kev zoo dua ua tsaug rau qhov nws cuam tshuam lub teeb nyob rau hauv ib qho kev sib txawv.
Tsuas yog, daim iav twg siv hauv cov koob yees duab?
Concave iav yog siv nyob rau hauv lub electronmicroscopes thiab magnifying iav, Lawv yog siv nyob rau hauv qhov pom lub foob pob ntes thiab lawv yog siv hauv lub teeb nyem iav ntawm koob yees duab.
Tsis tas li ntawd, qhov zoo ntawm daim iav convex yog dab tsi? Rau cov tsav tsheb, lub qhov zoo ntawm muaj convex saib rov qab iav yog qhov yooj yim. Convexmirrors ua kom cov neeg tsav tsheb pom ntau dua vim lawv muab qhov pom zoo dua los ntawm kev txo qis cov khoom uas lawv xav txog.
Ib tug kuj nug, vim li cas cov iav convex siv rau kev ruaj ntseg?
Vim tias nws muab cov duab nrog cov chaw pom loj (txhais tau tias thaj chaw me me muaj ntau cov duab duab). Duab tsim los ntawm daim iav yog erect ib yam nkaus thiab yog li nws yooj yim los txheeb xyuas cov khoom tau yooj yim. Hauv khw loj loj, iav iav yog siv rau kev ruaj ntseg lub hom phiaj. Vim li cas?
Cov koob yees duab puas muaj iav?
Ib lub lens reflex koob yees duab muaj ib iav yog li tus kws yees duab tuaj yeem saib los ntawm lub viewfinder thiab pom raws nraim li cas zaj duab xis ntawm sensor tab tom yuav ntes. Tab sis muaj txhua yam koob yees duab . Rangefinders, Polaroids, thiab newfangledmirrorless digital koob yees duab tag nrho tswj tsis muaj ib iav.
Pom zoo:
Kuv yuav tsum tso kuv lub koob yees duab CCTV nyob qhov twg hauv kuv lub tsev?
Qhov chaw zoo tshaj plaws rau nruab lub koob yees duab kev ruaj ntseg Lub qhov rooj hauv ntej, lub qhov rooj nraub qaum thiab lub qhov rais thawj-pem teb yog cov kev nkag mus rau cov neeg ua phem tshaj plaws, raws li Bureau of Justice Statistics. Qhov tseeb, nyob ib ncig ntawm 81 feem pua ntawm cov tub sab nkag mus rau hauv thawj pem teb, yog li muab koj lub koob yees duab qhov twg cov tub sab yuav nkag mus
Kuv yuav teeb kuv lub koob yees duab li cas rau kev yees duab toj roob hauv pes?
Kev yees duab toj roob hauv pes yog qhov hloov pauv zoo nkauj thaum nws los txog rau lub koob yees duab uas koj siv. Txawm li cas los xij, ib qho kev qhia zoo, txawm li cas los xij, yog siv lub koob yees duab, lub shutter ceev ntawm 1/10th ntawm ib thib ob thiab peb vib nas this, aperture ntawm f/11 thiab f/16, thiab ISO ntawm 100
Qhov twg yog lub koob yees duab zoo tshaj plaws rau kev yees duab?
Nikon D850 Nikon D850 yog lub koob yees duab zoo tshaj plaws rau kev yees duab. Lub kaw lus autofocus yog ib qho zoo tshaj plaws ntawm tag nrho cov koob yees duab uas twb muaj lawm ntawm tus nqi no.Seven fps shooting ceev ua rau lub koob yees duab no txawm ntau ntau dua li nws cov thawj, D810
Lub koob yees duab twg yog qhov zoo tshaj plaws rau kev yees duab zaub mov?
Txhawm rau ua kom koj xaiv tau yooj yim dua kuv tau sim 10 lub koob yees duab zoo tshaj plaws rau kev yees duab noj khoom haus tsim los ntawm cov koob yees duab sib txawv thiab rau txhua qhov nyiaj txiag. Nikon D810. Olympus E-M10 III. Canon 5D Mark IV. Canon 80D ua. Nikon D3400. Canon PowerShot G9 X Mark II. Sony a6300. Saib Cov Nqi ntawm Amazon. Canon EOS 6D Mark II. Saib Cov Nqi ntawm Amazon
Dab tsi yog qhov txawv ntawm lub koob yees duab digital thiab lub koob yees duab zaj duab xis?
Qhov sib txawv tseem ceeb ntawm ob yog txoj kev nws ntes cov duab. Thaum lub teeb los ntawm kev yees duab nkag mus rau hauv lub koob yees duab, lub koob yees duab digital siv lub sensor los ntes cov duab. Nyob rau hauv lub koob yees duab (lub koob yees duab analog), lub teeb ntog rau film