Yog tias koj muaj lub xov tooj ntawm tes hauv koj lub hnab tshos lossis nkag tau mus rau lub khoos phis tawj ib leeg-tsom iav (DSLR), koj tuaj yeem yooj yim thaij duab zoo nkauj ntawm ntuj hmo ntuj. Txhawm rau txhim kho koj cov duab astrophotography, zam kev tua hauv qhov chaw tsis siv neeg. Yog tias koj siv DSLR, teeb tsa qhov dav, qhib lub qhov qhib kom pom ntev, thiab ua rau ISO nkag siab. Yog tias koj siv koj lub xov tooj ntawm tes, rub lub app teeb pom kev qis thiab xav txog kev yees duab los ntawm lub tsom iav. Thaum koj tau ntes koj cov duab, kho lawv nrog software kom txog thaum koj muaj cov duab uas koj xav tau.
Cov kauj ruam
Txoj Kev 1 ntawm 3: Hloov Kho Chaw ntawm DSLR
Kauj Ruam 1. Mount lub koob yees duab mus rau lub koob yees duab thiab kho qhov f-stop rau f/2.8 lossis dav dua
Txuas koj lub DSLR mus rau lub koob thaij ruaj khov kom nws yuav tsis txav lossis co. Qhib lub aperture (f-nres) ntawm lub koob yees duab kom tsawg kawg f/2.8 lossis dav dua yog li koj tso ntau lub teeb.
- Lub aperture hais txog lub qhov uas lub teeb nkag mus rau lub koob yees duab. Txhawm rau tso lub teeb pom kev ntau rau hauv lub koob yees duab, kho lub aperture kom dav dua-nres zoo li f/2 lossis f/1.4.
- Txiav txim siab siv qhov tso tawm cable txhawm rau ntes cov duab, tshwj xeeb tshaj yog tias koj tab tom tawm lub qhov rooj qhib rau ntau dua 30 vib nas this. Qhov no yuav txo txoj hauv kev uas koj tsoo lossis co lub koob yees duab.
Kauj Ruam 2. Teeb ISO siab
Txheeb xyuas koj lub koob yees duab teeb tsa txhawm rau txiav txim siab nws qhov ntau ntawm lub teeb rhiab heev. Los ntawm kev hu mus rau ISO, koj lub koob yees duab yuav khaws cov ncauj lus kom ntxaws hauv lub teeb qis ntawm ntuj hmo ntuj. Sim thaij duab nrog qhov siab ntawm ISO raws li koj lub koob yees duab muaj xws li 1600 lossis 3200.
- Nco ntsoov tias kev tua ntawm ISO siab dua tuaj yeem ua rau lub suab nrov (ua kom cov duab zoo nkauj), yog li koj yuav tsum tau kho tom qab tsim khoom.
- Yog tias koj siv lub koob yees duab zaj duab xis, koj yuav tsum thauj nws nrog cov duab ISO siab.
Kauj Ruam 3. Tig cov nyiaj dawb rau tungsten dawb
Vim tias koj lub qhov muag muaj lub sijhawm nyuaj pom cov xim tseeb ntawm ntuj hmo ntuj, nws tuaj yeem nyuaj teeb cov xim rau koj lub koob yees duab. Tsis txhob tso koj qhov nyiaj tshuav dawb teeb tsa rau nruab hnub lossis tsis siv neeg, uas yuav ua rau cov duab hmo ntuj tawm los sov heev. Hloov chaw, teeb lub koob yees duab kom tungsten dawb tshuav kom tau txais cov xim nyeem tau raug dua.
Txhawm rau kom koj tswj tau ntau dua qhov tshuav dawb, tua cov duab hauv RAW hom tsis yog JPG
Kauj Ruam 4. Xaiv phau ntawv qhia lossis qeeb shutter speed
Txij li nws nyuaj kom tau txais lub teeb txaus rau cov duab thaum tsaus ntuj, koj yuav tsum tso koj lub qhov rooj qhib thiab kaw nws tus kheej lossis teeb nws rau qeeb qeeb. Nco ntsoov tias qeeb shutter nrawm yuav plooj ib qho kev nqis tes ua hauv daim duab xws li tua lub hnub qub.
- Phau ntawv ceev ceev yuav yog lub teeb ntawm koj lub koob yees duab.
- Piv txwv li, teeb qhov ceev mus rau 1/30 lossis 1/15.
Txoj Kev 2 ntawm 3: Teeb Koj Lub Xov Tooj Ntawm Tes rau Astrophotography
Kauj Ruam 1. Rub lub app thaij duab hmo ntuj
Ua qhov chaw ntawm koj lub xov tooj txhawm rau rub tawm qhov kev yees duab hmo ntuj tshiab lossis nthuav tawm app uas ua haujlwm nrog koj lub operating system. Cov kev yees duab no tau tsim tshwj xeeb rau kev txhaj tshuaj zoo-lub teeb qis. Sim ib qho ntawm cov duab thaij duab hmo ntuj no:
- NightCap Pro (rau iPhone)
- Lub Koob Yees Duab FVV-5 ntawm Lub Koob Yees Duab FV-5 Lite (rau Android)
- Slow Shutter Cam (rau iPhone)
- Nruab Nrab Lub Koob Yees Duab Pro (rau iPhone)
- Lub Koob Yees Duab Hmo Hmo (rau Android)
Kauj Ruam 2. Tua lub teeb nyem thiab qhov ua haujlwm siab (HDR) teeb tsa
Yog tias koj tso lub teeb nyem, daim duab yuav tsis ntes lub hnub qub ci ntsa iab thiab koj tsuas pom lub ntuj dub. Nws tseem ceeb heev kom tua HDR vim tias nws yuav ua rau cov duab tsis meej thiab tsis meej.
Tsis txhob siv lub ntsej muag nthuav dav ntawm koj lub xov tooj lub koob yees duab vim tias nws yuav ua rau cov duab zoo nkauj thiab tsis pom tseeb
Kauj Ruam 3. Ruaj ntseg koj lub xov tooj ntawm tes mus rau lub koob yees duab
Txhawm rau kom tau txais cov duab zoo ntawm ntuj hmo ntuj nrog koj lub xov tooj ntawm tes nws tseem ceeb heev kom txo lub koob yees duab co. Muas lub tswb me me uas muaj ob txhais ceg khoov tau thiab lub hauv paus rau txuas koj lub xov tooj ntawm tes. Thaum koj txuas lub koob yees duab, khoov ob txhais ceg yog tias tsim nyog yog li lub xov tooj tau taw qhia ntawm ib feem ntawm ntuj uas koj xav tau.
Yog tias koj tsis muaj lub koob yees siv yooj yim, teeb koj lub xov tooj tawm tsam ib qho chaw tiaj tus nyob ze xws li railing, phab ntsa, lossis tus ncej
Kauj Ruam 4. Txiav txim siab txuas koj lub xov tooj ntawm tes mus rau lub tsom iav
Qee qhov duab zoo tshaj plaws tuaj yeem siv los ntawm kev yees duab los ntawm lub qhov muag ntawm lub tsom iav raj. Teem lub tsom iav tsom iav ntawm lub koob yees duab thiab saib los ntawm lub qhov muag kom kho qhov loj. Thaum koj tab tom saib ib feem ntawm lub ntuj koj xav yees duab, txuas koj lub xov tooj kom nws hla lub qhov muag.
- Txhawm rau yees duab, tsuas yog coj mus rhaub rau ntawm koj lub koob yees duab screen.
- Siv lub tsom iav tsom iav yuav ua rau koj nthuav dav thiab nthuav dav cov duab.
Txoj Kev 3 ntawm 3: Siv Cov Duab Tsis Txaus Siab
Kauj Ruam 1. Sau txhua daim duab nrog lub ntsiab lus tseem ceeb
Txiav txim siab yog tias koj xav ntes cov hnub qub, hli, lossis huab tshwj xeeb hauv ntuj hmo ntuj. Txhawm rau thaij duab lub hnub qub, sim tua hmo ntuj tsis muaj lub hli kom lawv pom qhov kaj. Txog lub hli duab, txheeb xyuas daim ntawv qhia hnub txhawm rau txiav txim siab seb lub hli yuav nyob rau theem twg.
- Piv txwv li, yog tias koj xav tau lub hli puv, koj tsuas muaj 1 txog 2 hmo txhua lub hlis thaum koj tua lub hli lossis yuav luag puv lub hli.
- Txhawm rau thaij duab hnub qub, npaj yog tias koj xav kom lawv ci ntsa iab ntawm lub teeb lossis yog tias koj xav tau kev nthuav tawm ntev dua uas qhia pom lub hnub qub.
TSWV YIM TSHUAJ
Victoria Sprung
Tus Kws Tshaj Lij Tshaj Lij Tshaj Lij Victoria Sprung yog Tus Kws Tshaj Lij Tshaj Lij Tshaj Lij thiab tus tsim ntawm Sprung Photo, kev yees duab tshoob kos raws li hauv Chicago, Illinois. Nws muaj ntau dua 13 xyoos ntawm kev paub txog kev yees duab zoo thiab tau yees duab ntau dua 550 kab tshoob kev kos. Nws tau raug xaiv rau kab tshoob kab hlau rhuav"
Victoria Sprung
Professional Photographer
Expert Trick:
If you want to photograph a person with the night sky as the background, use a slower shutter speed so you get a longer exposure, because that will expose more stars. Also, pre-focus on the person, since it will be hard to see them, and consider using a flash, which will illuminate the person against the sky.
Kauj Ruam 2. Kho kom haum rau koj qhov xwm txheej
Txawm hais tias koj hloov kho koj li kev sib xyaw thiab teeb tsa lub koob yees duab, tej zaum koj yuav tsum tau daws qhov kev hloov pauv yam tsis tau xav txog. Nkag mus rau cov kev cov nyom thiab nrhiav txoj hauv kev kom lawv ua haujlwm hauv koj cov duab. Sim ntau yam sib txawv txij li koj yeej tsis paub tias yuav ua haujlwm li cas.
Piv txwv li, yog tias lub ntuj dhau los ua huab los nag, koj tuaj yeem tuaj yeem yees duab lub hli puag ncig nrog ib qho huab cua txawv txawv
Kauj Ruam 3. Siv ntau daim duab siv ntau qhov chaw
Thaum koj tau xaiv lub teeb tsa lub koob yees duab rau qhov xwm txheej ntuj hmo ntuj, pib thaij duab. Khaws kev hloov pauv mus rau qhov nrawm lossis qhov siab thaum koj tua kom ua tiav ntau yam teebmeem.
Ua si ib puag ncig nrog siv koj lub koob yees duab lub sijhawm los txo qhov kev pheej hmoo ntawm cov duab co
Kauj Ruam 4. Kho koj cov duab hauv kev ua tom qab kom tau txais qhov xav tau
Cov duab feem ntau ntawm ntuj hmo ntuj tau raug kho kom hnyav kom tau cov duab zoo. Siv koj cov software kho duab uas koj nyiam tshaj los txiav cov duab, kho qhov sib npaug, thiab ua si nrog qhov sib txawv.
Piv txwv li, cov duab hmo ntuj feem ntau muaj qhov me me ntawm cov xim lossis cov duab me me uas yog qhov tshwm sim ntawm kev tua hauv lub teeb qis. Cov software kho duab feem ntau muaj cov cuab yeej los txo cov suab nrov no thiab ua rau koj cov duab nkig
Kauj Ruam 5. Tshaj cov duab hauv kev ua kom cov duab koj xav tau
Yog tias koj tseem tab tom tawm tsam los qhia qhov sib zog ntawm lub hnub qub lossis txoj kev ntawm lub hnub qub, siv kho software los teeb tsa ntau cov duab. Txij li thaum koj tswj cov txheej hauv daim duab, koj tuaj yeem suav nrog cov hnub qub, hnub qub, huab, lossis lub hli.
