Shutter speed yog dab tsi? Nyob rau hauv dab tsi no muaj nuj nqi yog siv thiab nws puas xav tau nyob rau hauv lub koob yees duab?

2024 Tus sau: Sierra Becker | [email protected]. Kawg hloov kho: 2024-02-26 05:10

Cov duab zoo tsis tuaj yeem tau txais hauv hom tsis siv neeg nrog cov qauv teeb tsa. Tau kawg, lawv tuaj yeem ua tau zoo nkauj thiab nthuav dav rau qee lub voj voog ntawm tib neeg, tab sis nws nyuaj rau hu lawv ua haujlwm ntawm kos duab.

Ib lub luag haujlwm xws li shutter ceev hauv lub koob yees duab yog xav tau rau kev tua cov khoom txav mus los, kom tau qhov tseeb, qhov ntse lossis, qhov sib txawv, qhov muag plooj ntawm qee yam ntsiab lus (piv txwv li, dej ntws).

Yog li shutter ceev yog dab tsi? Los ntawm ib qho kev pom, qhov no yog lub sij hawm ntawm lub sij hawm uas lub teeb rays dhau lub lens qhib, ntog ntawm lub photosensitive caij.

Los ntawm qhov kev xav ntawm kev tshawb fawb, peb tau piav qhia tias qhov kev kaw nrawm yog dab tsi. Thiab tam sim no cia peb ua tib zoo saib seb nws tshwm sim li cas thiab ua tiav qhov kev xav tau li cas.

Xam qhov ntsuas no hauv vib nas this: 1/30sec, 1/60sec. Feem ntau tsuas yog tus denominator tso tawm rau ntawm lub koob yees duab, yog li tsis txhob ntshai. Hauv cov koob yees duab compact, kab yog pom zoo li no: 1, 1/2, ¼, 1/8, thiab lwm yam.

Nyob rau hauv ib qho kev yees duab apparatusmuaj xws li ib tug muaj nuj nqi li shutter qhov tseem ceeb. Qhov no txhais tau hais tias lub aperture tau raug xaiv rau tus nqi xaiv.

Short exposure

Tam sim no koj paub tias shutter ceev yog dab tsi. Xav txog cov xwm txheej uas cov nqi saum toj no tau siv? Peb taw qhia tam sim ntawd tias lub kaw lus ceev ceev yog npaj rau kev tua tsiaj, kev sib tw, kev ua si, kom cov khoom txav hauv daim duab tsis zoo li "blurred". Qhov khoom txav nrawm dua, qhov ntsuas me me tau teeb tsa. Tab sis nco ntsoov tias qhov no yuav tsum muaj teeb pom kev zoo, vim tias lub teeb tsawg dua nkag mus rau lub shutter. Lub aperture yuav pab kho qhov teeb meem, qhov degree ntawm qhov uas peb nce nyob rau hauv kev faib ua feem rau qhov txo ntawm shutter ceev.

Long exposure

Siv qhov ceev ceev no hauv lub teeb qis thiab rau cov teebmeem tshwj xeeb. Tab sis ntawm no koj twv yuav raug hu yuav tsum tau siv lub koob yees duab, txwv tsis pub qhov plooj yuav nyob ntawm tag nrho cov duab. Yog tias koj teeb tsa qhov rhiab heev rau qhov siab, ces cia siab tias thaum hmo ntuj yuav tsis muaj "suab nrov" hauv daim duab. Koj tuaj yeem kho qhov no hauv Photoshop, tab sis qhov zoo yog txo.

Shutter ceev yog qhov tseem ceeb tshwj xeeb thaum tua dej, txawm tias nws yog tus ciav lossis dej. Lub shutter uas nrawm dhau tuaj yeem tsim cov nyhuv ntawm qhov chaw khov, thaum lub shutter uas qeeb dhau tuaj yeem tsim qhov tsis muaj qhov ntse. Yog li, rau cov dej ntws qeeb thiab cov kwj deg, qhov ntsuas ntawm 1/30 txog 1/125s yog qhov tsim nyog. Nyob rau hauv huab cua huab cua, teem lub parameter ntawm 1/125 mus rau 1/250. Rushing kwj yuav tsum tau filmed rauqhov taw qhia txog 1/1000s.

Yog tias koj muaj lub koob yees duab zoo SLR lossis lub koob yees duab tshaj lij, koj tuaj yeem tua ib hmo toj roob hauv pes ntawm lub hnub qub nrog rau qhov pom txog li ob peb teev. Yog li ntawd koj tau txais tsis tau tsuas yog ib tug nthuav daim duab, tab sis kuj lub trajectory ntawm lub ntiaj teb. Tsis txhob hnov qab lub teeb rhiab heev, txwv tsis pub lub suab nrov tuaj yeem ua tsis tau.

Lub kaw lus luv luv yog siv thaum tua hauv qab dej, tsis pub ntau tshaj 1/30s, txij li thaum koj txav mus tas li, uas txhais tau hais tias muaj qhov tshwm sim siab heev uas tau txais cov duab tsis pom tseeb.

Tam sim no nws tau paub meej rau koj tias qhov raug thiab qhov twg nws siv. Yog tias xav tau, cov txiaj ntsig nthuav tuaj yeem tau txais txawm tias ntawm cov koob yees duab compact, thiab yog tias peb tham txog cov cuab yeej tshaj lij, ces cov masterpieces tau muab ntawm no. Xav txog cov yam ntxwv ntawm koj lub koob yees duab, nrog rau cov xwm txheej tua, vim tias txawm tias hnub ci lossis huab cua huab cua hloov pauv qhov tshwm sim.