Puas distortion yog ib qho teeb meem duab lossis kev txiav txim siab txawv txawv?

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

Distortion yog qhov ua yuam kev lossis ua yuam kev hauv kev sib xyaw ntawm cov khoom siv kho qhov muag, thaum lub sijhawm cov kab hluav taws xob loj hloov pauv ntawm qhov pom ntawm lub lens.

Define distortion

Distortion yog txhais los ntawm Latin li "curvature". Nrog distortion, muaj kev ua txhaum ntawm qhov zoo sib xws ntawm cov khoom thiab nws cov duab pom. Distortion yog ib qho yuam kev. Nws tuaj yeem raug kho nyob rau theem ntawm kev xaiv qhov kho qhov muag thaum xaiv lo ntsiab muag lossis thaum kho cov duab hauv PC. Distortion yog ib qho tshwm sim pom tau yog tias muaj cov kab ncaj nraim los yog ntsug hauv tus ncej. Nrog distortion, cov kab ncaj yuav nkhaus sab nraud lossis rau hauv daim duab. Nws tau tshaj tawm thaum thaij duab vaj tse, ntoo, ncej, thiab lwm yam khoom.

Nyob ntawm distortion

Distortion tshwm sim nyob rau hauv ob hom - nws yog lub thoob-puab thiab hauv ncoo-puab.

Barrel lossis bulge distortion yog qhov txawv ntawm qhov tseeb tias qhov nkhaus ntawm txoj kab yog coj mus rau sab nraud, thaum cov khoom ua convex, thiab qhov no yog qhov pom tau zoo heev rau cov npoo ntawm daim duab.

Raws li pincushion lossis concave distortion, nws yog qhov txawv ntawm qhov khoov ntawm txoj kab ze rau qhov nruab nrab ntawm tus ncej, uas yog, cov kab zoo li concave.hauv daim duab.

Kuj, chim distortion hu ua zoo, thiab pincushion distortion yog negative.

Dab ntxwg nyoog thaum tua

Yog vim li cas lub koob yees duab distortion yuav nyob rau hauv lub lens ntawm koj lub koob yees duab. Yog tias nws yog qhov tseeb dua los nthuav tawm qhov no, nws tuaj yeem raug sau tseg tias thaum siv cov lo ntsiab muag pheej yig, qhov zoo ntawm qhov uas tuaj yeem ua rau tsis ntseeg, cov duab yog distorted. Qhov no feem ntau yog cov teeb meem nrog lo ntsiab muag uas hu ua "Zoom Lens", lawv muaj qhov sib txawv ntawm qhov ntev, uas yog vim li cas qhov txawv txav tshwm sim.

Qhov thib ob yog vim li cas nyob rau lub sijhawm ntawm kev yees duab - qhov no yog kev sib koom ua ke ntawm cov kab uas sib npaug rau ib leeg hauv txoj haujlwm inclined, lossis thaum tus kws yees duab nws tus kheej leans. Qhov no feem ntau tshwm sim thaum tua cov tsev siab ntawm lub kaum sab xis.

Kom tsis txhob muaj kev cuam tshuam thaum tua, koj tuaj yeem siv ob peb txoj cai yooj yim:

• muas lub lens zoo, nyiam dua lub kaum sab xis;
• txav deb ntawm qhov khoom, thiab thaum thaij duab coj los ze dua.

Yog tias ob txoj cai yooj yim no tsis pab, ces tus kws kho duab tuaj yeem daws qhov teeb meem no. Qhov no yooj yim heev ua.

Kho qhov cuam tshuam thaum ua haujlwm

Yog tias qhov kev hloov pauv hloov maj mam, nws tuaj yeem raug tshem tawm thaum rub tawm Adobe Camera Raw cov cuab yeej siv Adobe Lens Profile Downloader. Qhib Adobe Camera Raw program, nyem rau ntawm daim duab koj xav hloov kho. Mus rau Lens Corrections tab thiab qhib lub lens profile los ntawm kev teeb tsazuam Enable Lens Profile Corrections.

Ua ntej koj yuav tsum qhib ib daim duab hauv qhov program no thiab mus rau ntu Lens Kho, tom qab ntawd xaiv Phau Ntawv Qhia, koj yuav pom cov haujlwm xws li distortion, ntsug, tig thiab lwm yam. Nws yog ib qho tsim nyog yuav tsum tau txav qhov distortion slider mus rau rho tawm ntau npaum li qhov tsim nyog kom tshem tawm tag nrho distortion.

"Tab sis yuav ua li cas kho distortion hauv Photoshop?" - koj nug. Yog, yooj yim! Ua ntej, qhib cov duab hauv Adobe Photoshop, tom qab ntawd cov Lim tab thiab xaiv Lens Correctons. Koj yuav qhib lub qhov rais, thiab koj yuav tsum. qhib lub Custom tab, ces txav tus yam ntxwv slider hu ua Tshem Tawm Distortion mus rau qhov zoo kom txog rau thaum lub distortion yog kiag li kho.

Kev xav yuam kev

Cov kws yees duab tsis tas yuav xav txog qhov tsis zoo ntawm kev yees duab, qee qhov sim ua kom nws txhob txwm nrog lub lens lossis thaum ua cov duab hauv tus editor.

Raws li rau lo ntsiab muag, "Fisheye" los yog raws li nws kuj hu ua "Fisheye" yog heev. Qhov no yog hom hu ua ultra wide-angle lens uas muaj lub ntsej muag lub ntsej muag ntawm 180 degrees, uas yog qhov ua rau muaj kev cuam tshuam hauv cov duab. Muaj ob hom fisheye lo ntsiab muag: ncig thiab kab pheeb ces kaum. Lub voj voos yog feem ntau siv hauv huab cua los thaij duab saum ntuj. Cov kab pheeb ces kaum yog qhov feem ntau ntawm cov kws yees duab. Peb txawm paub lub npe ntawm tus kws yees duab thawj zaug uas sivhom no. Qhov no yog Lev Abramovich Borodulin, uas yog tus paub zoo Soviet thiab Israeli kws yees duab kev ua si.

Muaj ntau lwm lo ntsiab muag, tab sis lawv txhua tus yog tsom rau kev tsim cov duab distortion, cov khoom siv no tuaj yeem pom hauv Nikon, Canon, thiab lwm lub tuam txhab koob yees duab.

Koj tuaj yeem ua qhov cuam tshuam hauv "Photoshop" ntawm lub hom phiaj, rau qhov no koj yuav tsum qhib cov duab xav tau, xaiv nws thiab mus rau "Editing" tab, tom qab ntawd koj yuav tsum xaiv "Transform" muaj nuj nqi, tus lej ntawm cov dej num ntxiv yuav tshwm sim muaj, koj yuav tsum xaiv "Deformation". Koj daim duab yuav muab tso rau ntawm daim phiaj, uas yog qhov chaw koj yuav tsum tau ua haujlwm. Luag cov duab raws li koj xav tau.

Zoo kawg

Txawm hais tias qhov kev hloov pauv feem ntau pom hauv qhov tsis zoo, qee zaum cov txiaj ntsig no yog siv los txhob txwm tsom rau lub sijhawm tshwj xeeb lossis ib feem ntawm cov khoom. Cov nyhuv no tau siv nyob rau hauv kev lag luam yees duab tau ntev, tab sis nws tau dhau los ua neeg nyiam heev tsis ntev los no.

Distortion yog tus kws yees duab txoj kev qhia nws tus kheej, lub sijhawm los qhia nws tus kheej. Nws muab cov duab tshwj xeeb glamour thiab tshwj xeeb. Niaj hnub no, ntau tus kws yees duab thoob plaws ntiaj teb tab tom pib ua haujlwm ze nrog cov txiaj ntsig no thiab ua kom zoo dua ntawm qhov muaj peev xwm ua kom muaj kev cuam tshuam. Tau kawg, tsis yog txhua tus kws tshaj lij, thiabCov neeg zoo tib yam nyiam cov duab thaij nrog cov nyhuv no, tab sis tsis muaj qhov tsis lees paub qhov tseeb tias kev txaus siab ntawm kev cuam tshuam tau nce ntau hauv xyoo tas los no, vim nws pom tseeb.