Dav-angle lens

Qhov ntau-angle lens yog ib tug lens uas nws focal ntev yog luv dua li ib txwm. Xws li ua rau nws ua tau rau npog ib tug ntau dav kaum sab xis ntawm qhov chaw li cov tib neeg qhov muag yog peev xwm pom. Vim lub fact tias cov ncej loj yog tsis ntau dua li ib txwm, tag nrho cov khoom uas poob rau hauv nws, tau nyob rau hauv cov duab me me dua thaum noj pa lens. Lub degree ntawm yuav txo tau nyob rau qhov ntev ntawm lub focal ntev. Dav-angle lens tso cai rau kom muab tau heev nthuav tau nyob rau hauv cov nqe lus ntawm optics thiab expressiveness, raws li thaum noj nrog nws yuav ntau notable nyhuv ntawm tshem txawv dav hlau los ntawm txhua lwm yam thiab los tus kws yees duab. Nws yog suav tias yog hais tias xws li pab kiag li lawm muaj ib tug ntau dua tob ntawm daim teb tshaj ib tug telephoto los yog txheej txheem qauv. Txawm li cas los, qhov no yog nej ib tug ntau misunderstanding, li pictured ntawm tib qhov ntev ntawm tus kwv, qhov tob ntawm daim teb, rau Piv txwv li, ib tug telephoto lens, los yog txheej txheem, yuav raws nraim tib yam li nyob rau hauv cov ntaub ntawv ntawm siv ntau lub kaum sab xis.

Qhov ntau-angle lens muaj cov nram qab yam ntxwv tseem ceeb: ib tug ntau saib lub; qis yam tsawg kawg nkaus ntawm kev ncua deb. Tag nrho lwm cov yam ntxwv yog tsis yog nws. Rau ntau-angle lo ntsiab muag kuj txiav txim siab los attribute ntxiv dav. Hais txog qhov no yam yog tsis yog tshwj xeeb txwv, zoo li cas ntawm cov qauv no yog hu ua li ntawd, tab sis yog xav tau cov neeg nyob rau hauv uas lub focal ntev nqi tsis pub tshaj 24 hli nyob rau hauv lub xov xwm kev pab txog lawv.

Vim tej thaj chaw ntawm tej yam ntau-angle shooting lo ntsiab muag nrog lawv cov kev pab muaj ib tug xov tooj ntawm cov nta. Ib tug ntawm lawv yog xav tau foundations distortion thaum khoom uas ze tshaj yog kis tau ntau tshaj nyob rau hauv kev muaj tiag, thiab tej thaj chaw deb zoo li me me thiab. Yuav kom maximize no cov nyhuv yuav tsum txoj kev ua tus tseem ceeb yam khoom ntawm shooting li ze tas muaj xws li ib co zoo ntawm ncej kwv lub ze lub sij hawm. Qhov no foundations distortion yog heev pab tau tshwj xeeb tshaj yog nyob rau hauv cov ntaub ntawv ntawm lub toj roob hauv pes shooting scene li acquires ib tug ntxiv volume. Txawm li cas los, nws yog ib qhov feature tsis pub shooting neeg raws li xav distorts cov proportions ntawm lub cev thiab lub ntsej muag.

Koj siv tau ib tug ntau-angle lens rau shooting architecture los yog lwm yam khoom, nws yog tsim nyog tsis txhob qaij axis ntawm lub lens txheeb ze rau lub qab ntug, yog hais tias muaj yog ib tug ntau ntawm thaum uas tig mus ntsug kab, raws li qhov no yuav pauv rau qhov chaw muaj nuj nqis. Qhov no yuav muab daim duab, poob vaj tse. Thaum ua kev photography ntawm architecture, tswv sim kom tsis txhob no cov nyhuv, tab sis tej zaum nws yuav yuav muaj feem xyuam nyob rau hauv tej rooj plaub raws li ib tug artistic cov nyhuv. Nws yog ib qho tseem ceeb kom nco ntsoov tias nyob rau hauv thiaj li yuav ntes architectural lug tsim nyog los siv ib tug tshwj xeeb ntawm lens, nruab nrog lub peev xwm mus qaij cov kho qhov muag axis thiab nws ua haujlwm, uas yuav kho lub distortions ntawm foundations. Piv txwv li, ib tug ntau-angle lens Nikon yog heev tau tiv nrog no ua hauj lwm. Tab sis thaum lub sij hawm lub shooting nyob rau hauv kaw ceev rau tej qhov chaw, xws li yog feem ntau yuav luag indispensable, vim hais tias tus kws yees duab yog tsis tau mus rau kauj ruam rov qab mus rau tag nrho npog lub scene. Thaum shooting interiors, qhov no zoo yog muaj nuj nqis heev.

Vim lawv kho qhov muag yam ntxwv thiab tsim, dav-angle lens rau Canon muaj ib tug ntau dua nyhav rau pliaj teeb thiab glare. Qhov no forces siv thaum lub sij hawm shooting kev tiv thaiv hood, uas tiv thaiv rau pem hauv ntej lens los ntawm ncaj qha tshav ntuj thiab thiaj li muaj cov kev pheej hmoo ntawm glare nyob rau hauv daim duab.