Raug - nws yog physics los yog cov khawv koob ntawm kev tsim ib masterpiece?

Nyob rau hauv photography nws yog assumed tias raug tus kab mob - yog tus txheej txheem ntawm irradiation nrog lub teeb ntawm ib lub teeb-sensitive caij nyob rau hauv lub koob yees duab. Raws li xws li, nws tau ua raws li ib tug matrix (rau niaj hnub tsheb) thiab zaj duab xis (zaj duab xis).

Kom installation ntawm lub raug muaj feem xyuam rau tus nqi ntawm lub teeb ntog on lub caij - thiab nyob ntawm seb nws yuav tsum tau los yog tias tshwm sim. Nws yog ib qho tseem ceeb tsis overdo nws nrog cov raug, vim hais tias ntau dhau heev lawm lub teeb yuav ua rau overexposed duab, thiab heev me me yuav tsis pub kos tus kwv - cov muaj peev xwm tig tawm ntawm tag nrho cov qhov tsaus ntuj nti ncej.

Tus nqi ntawm lub teeb uas tau nkag mus hauv lub sensor caij, qhov loj ntawm lub diaphragm muaj feem xyuam rau ncaj qha rau photosensitivity ntawm lub caij thiab seeb. Nws tag nrho yuav inevitably yuav thaws rov los nyob rau hauv zaum kawg tshwm sim ntawm lub shooting.

Yuav ua li cas yog tau nphav raug thiab cov overlay

Raug overlay muab ib qho kev nthuav cov nyhuv: nyob rau hauv tib ncej ntawm ib daim duab ntawm lub yees duab khoom rau txawv sij hawm. Cov txheej txheem no twb zoo paub zaj duab xis photography laus-tsev kawm ntawv, tab sis muaj hnub lub digital cov koob yees duab, los twb paub lawm nws yog ib qhov nyuaj, thiab ua ke nrog cov raug thiab pheej yig "Xab npum" - zoo rau nws tsis yooj yim sua ua hauj lwm.

Ua cov txheej txheem no yuav ua tau niaj hnub no nyob rau hauv ntau txoj kev:

• siv zaj duab xis koob yees duab;

• resorting rau cov technology;

• programmatically rau lub computer.

Cov koob yees duab

Ob peb niaj hnub "nuj nqis" muaj ib tug muaj nuj nqi ntawm superposition ntawm ob los yog ntau tshaj ntas. Cov pab kiag li lawm cia koj mus tua nyob rau hauv lub "ntsuab" hom, piv txwv li tag nrho automatic. Nyob rau hauv cov ntaub ntawv no, koj yuav tsis txawm muaj ib tug clue txog dab tsi raug. Nws yog tseem tau mus ua nws nrog rau kev siv ntawm "ntse" qhov tseeb tiam ntawm smartphones.

Tab sis txawm nrog kev pab los ntawm ib tug es kim digital "SLR" thiab tshwj xeeb tshaj yog "Xab npum" cov txheej txheem no raws li ib tug muab ob npaug rau raug mus rau lub superposition ntawm ob los yog ntau tshaj ntas nyob rau hauv ib tug, nws yog tsis yooj yim sua mus nqa tawm.

zaj duab xis koob yees duab

Teem lub kawm tuab si lug thiab raug rau cov zaj duab xis yuav tsum tau tus kws yees duab rau tej kev paub, kev txawj ntse thiab muaj peev xwm. Qhov kev txiav txim ntawm kev txiav txim nyob rau hauv cov ntaub ntawv no yog raws li nram no:

• Nws yog thawj ncej nrog txhua tus tsim nyog tej chaw - shutter ceev, aperture, thiab hais txog;

• ces tus zaj duab xis dissipate raws nraim ib tug ncej rov qab (qhov no yog tsis tau nyob rau hauv tag nrho cov koob yees duab);

• tus thib ob txhaj koob tshuaj tivthaiv tau ib tug saib kom tag nrho cov ntsiab ntawm ob thav duab meej tsim nyob rau hauv thawj cov ntsiab. Qhov no yuav tsum tau ib tug muaj tseeb qhov muag thiab ib tug ntau ntawm kev los ntawm tus kws yees duab;

• ib qho tseem ceeb point: nyob rau hauv kom tsis txhob overexposure ntawm cov zaj duab xis, koj xav tau ib tug ob thav duab naj npawb ntawm "underexpose", teev cov shutter ceev yog me ntsis me me dua nyob rau hauv ib txwm tej yam kev mob.

Tom ntej no, cov zaj duab xis yog tsim thiab luam nyob rau hauv cov pa zoo.

Raws li kuj yuav cias "otschelkat 'thawj zaj duab xis raws li ib tug tag nrho xyaum ua tej yam, thiab ces poob nws rov qab mus rau hauv ib tug kauj thiab ces tua. Tej zaum thaum no tau txais tiag tiag nthuav kev txhaj tshuaj.

Ib tug zoo xws li cov nyhuv yuav tau ua tau tiav, yog tias thaum lub sij hawm ntawm printing muab tso rau hauv lub tshuab cia li ob films - ib tug ncej nyob rau tib lub sij hawm yuav tsum superimposed nyob rau lwm yam.

programmatically

Thaum kawg, tag nrho cov saum toj no yuav ua tau rau koj lub computer nyob rau hauv ntau cov duab editors. Piv txwv li, nyob rau hauv lub zoo-paub "Photoshop". Thiab koj tsis txhob txawm yuav tau paub dab tsi raug - qhov no yog dab tsi yog txuam nrog lub teeb thiab photocells.

Tus txheej txheem yuav tsum tau raws li nram no:

• qhib thawj thawj cov ntaub ntawv;

• ces luag thiab poob nyob rau hauv tib lub thawv qhib ib tug thib ob cov ntaub ntawv uas koj xav thov cov overlay;

• Yog hais tias tsim nyog, koj muaj peev xwm hloov qhov ntev ntawm lub ob thav duab los siv rau txoj kev sib hloov ntawm tshwj xeeb npiv zas nyob ib ncig ntawm cov npoo ntawm daim duab thib ob txheej;

• ces muaj nqis ua si overlay tsis thiab lub txheej opacity nyob rau hauv lub Txheej Manager txoj cai.

Tsis muaj leej twg cav hais tias cov kos duab software "cov cuab yeej" cia mus cuag high-zoo thiab muaj tswv yim duab, tab sis lub professionalism ntawm tus kws yees duab yog tseem heev thaum ntxov kom sau tawm. Tej zaum ntse xaiv ntas thiab tsim tau ib great kev shooting tiag tiag masterpieces.