Thaum lub koob thaij duab tshwm hauv tsev, ntau tus neeg txiav txim siab tam sim ntawd. Thawj qhov kev txhaj tshuaj (kev twv tua) feem ntau yog qhov pom ntawm lub qhov rai lossis qee yam khoom sab hauv. Tom qab ntau hnub lawv thaij lawv cov phooj ywg thiab cov txheeb ze, thiab qee zaum tsuas yog tib neeg lossis tsiaj uas pom ntawm ntug kev. Lub siab xav mus yees duab ntau dua los tom qab.
Yuav kawm tso duab li cas
Txhawm rau kawm txog kev thaij duab, nws yog ib qho tseem ceeb kom nkag siab txog peb yam tseem ceeb ntawm kev yees duab - dab tsi yog kev ntsuas qhov nrawm nrawm, aperture, thiab muaj pes tsawg leeg. Shutter ceev yog lub sijhawm uas lub kaw ntawm lub koob yees duab qhib. Hauv kev thaij duab digital, nws txaus los cuam tshuam rau hauv matrix. Hauv analog - thaum lub sijhawm no, xws li luminous flux nkag hauv zaj duab xis, uas tuaj yeem ua kom pom qhov chaw tsim nyog ntawm cov duab yav tom ntej, ua yeeb yam hauv qhov tseeb ntawm cov nyiaj halides.
Qhov thib ob lub ntsej muag uas yog qhov tseem ceeb yog tias koj xav kawm kom paub thaij duab kom raug yog lub aperture. Qhov no yog qhov luaj li cas ntawm cov ntu ntawm cov kwv tij los ntawm kev sib tw ntawm lub ntsej muag qhib. Qhov loj dua ntawm qhov aperture (nrog qis dua tus lej ua kom sib haum rau nws), qhov tob tob ntawm daim teb ntawm daim duab, thiab rov qab tuaj. Hauv lwm lo lus, cov duab nrog qhov muag plooj tom qab tau txais thaum tua nrog lub qhov loj loj (lub ntsiab muag ntawm lub lens tau tso rau 1, 8, lossis 2), thiab cov duab uas ob sab pem hauv ntej thiab keeb kwm yav dhau los yog sib luag - nrog me aperture (nws sib raug rau cov nqi kwv yees li ntawm 16 thiab 22).
Qhov thib peb, tab sis tsis yog qhov tsawg tshaj plaws, qhov chaw hauv kev qhia kev thaij duab yog zwm rau lub tswv yim muaj pes tsawg leeg. Muaj ntau lub ntsiab lus ntawm nws hauv phau ntawv qhia. Hauv koj cov lus, qhov muaj pes tsawg leeg yog kev ua kom zoo ntawm cov khoom thiab cov xim pob hauv cov duab, haum rau lub qhov muag thiab pom tau tias qhov zoo.
Qhov no yog, hauv luv. Txhawm rau kawm tiag tiag yuav ua li cas thiaj thaij duab, koj yuav tsum kawm cov phau ntawv tshwj xeeb lossis cov ntawv xov xwm tshwj xeeb rau kev yees duab. Los ntawm lawv koj tuaj yeem kawm paub ntau ntxiv txog kev kaw nrawm nrawm, aperture, lwm yam tseem ceeb ntawm lub koob yees duab thiab lub lens, ntxiv rau delve rau hauv lub tswv yim xws li "muaj pes tsawg leeg", "linear thiab tonal foundations", "ncej yeebyam."
Yuav ua li cas kom thaij tau duab zoo
Txhawm rau thaij duab zoo, koj yuav tsum tsis muaj lub koob yees duab nkaus xwb, tab sis kuj yuav tsum muaj koob hmoov. Thiab rau nws - kev xav paub, cov tshuaj tiv thaiv sai, kos duab saj. Qhov tseeb, tag nrho cov no txawv kev tshaj lij los ntawm kev yees duab kev lom zem.
Yog tias koj muaj hmoo txaus los ntes ib qho kev txaus siab, nws yog ib qho tseem ceeb kom ua nws kom raug. Txog kev thaij duab analog, kev ua tiav yuav muaj kev txhim kho kev tsis zoo lossis thim rov qab (swb) zaj duab xis thiab luam tawm cov duab hauv chav tsaus tshwj xeeb. Hmoov tsis zoo, cov hnub thaum cov duab tau luam tawm hauv tsev yog irrevocably ib yam ntawm yav dhau los. Tam sim no xws li cov chaw soj nstuam yog npaj los ntawm kev txaus siab heev kev pab txog kev soj ntsuam.
Koj tuaj yeem ua daim duab digital kom zoo yog tias koj ua cov txheej txheem txhaj tshuaj zoo hauv ib qho ntawm cov duab kab ntawv. Feem ntau, Photoshop siv rau cov laj thawj no. Nws muab lub peev xwm los hloov qhov ci, kev saturation, sib piv thiab ntau lwm yam tsis tseem ceeb uas yog qhov tseem ceeb rau daim duab zoo. Qhov kev zov me nyuam tseem tso cai rau koj siv ib lossis ntau lub lim dej uas tuaj yeem hloov koj daim duab tshaj li qhov paub, qee zaum ua kom puas, thiab qee zaum tig nws mus rau hauv tus tswv tiag tiag.
Yuav ua li cas thiaj ua yeeb yaj kiab rau tib neeg
Hais txog lo lus nug ntawm yuav ua li cas thiaj li yees duab kom raug, ib qho tsis tuaj yeem tsis quav ntsej txog kev tshwj xeeb ntawm kev thaij duab tib neeg. Portraits yog hom thiab staged. Qhov thib ib yog cov khoom siv ntawm kev tshaj tawm xov xwm, uas yog, tib neeg tau ua yeeb yaj kiab hauv ntuj tsim. Rau qhov thib ob, ib qho kev npaj txhawb yog npaj - ib lub tsev pheeb suab, lub teeb, zoo nkauj thiab ris tsho yog tias tsim nyog.
Lub teeb nyob rau hauv lub pavilion raug nthuav tawm hauv ib lub voj voos (hauv qhov xwm txheej loj - nyob hauv lub voj voog). Qab - rov qab, nws pom tau pom qhov qauv ntawm qhov keeb kwm yav dhau los. Hauv kev coj rov qab, lub teeb tom qab tau qhia kom pab kom tsis txhob muaj cov duab ntxoo tom qab. Rau sab laug thiab rau sab xis ntawm cov ncauj lus ntawm kev thaij duab, cov teeb txawb nrog cov teeb pom kev ua qauv yog feem ntau tso. Tsaus muag puv teeb los ntawm saud. Thaum npaj cov cuab yeej siv teeb pom kev zoo nyob rau hauv xws li lossis sib lawv liag, nws ua rau muaj kev nkag siab muab cov kaus tshwj xeeb lossis cov ntxaij vais tawm. Thaum tham txog yuav ua li cas thaij duab kom raug, tsis hais txog lawv yuav yog qhov kev cais loj.
Lwm hom khoom siv uas xav tau los tua cov neeg hauv lub tsev tuag yog cov hlau uas muaj keeb kwm yav dhau los. Tsis tshua muaj yees duab raug txwv rau ib lossis ob. Raws li txoj cai, nws muaj tsawg kawg kaum ntawm lawv, thiab lawv tuaj yeem hloov pauv raws li kev txiav txim siab kos duab.
