Txij li thaum koj tau nug koj tus kheej xws li ib lo lus nug, tej zaum koj twb tau yuav lub cuab yeej thiab koj ob txhais tes ncab kom muab thawj cov duab. Tab sis, yog hais tias koj yuav ib tug qauv tsim muaj kuj yooj yim, ces nrog cov xaiv ntawm lub lens nws tus kheej yuav nyuaj. Yog xav nrhiav ib qho kev xaiv ntawm cov lo ntsiab muag rau SLR lub koob yees duab, koj yuav tsum to taub tias lawv txawv li cas, rau lub hom phiaj twg txhua qhov tsim nyog, zoo li shooting feature.
Cov yam ntxwv ntawm lo ntsiab muag rau SLR koob yees duab
Yuav pib nrog, peb yuav luv luv mus dua cov cwj pwm uas yuav tsum tshaj tawm los ntawm lub tuam txhab rau txhua tus qauv:
- focal ntev (muaj peev xwm kwv yees lossis kwv);
- qhov tob ntawm daim teb (thaum twg qhov kev kawm raug teem, txhua yam zoo li yuav muaj qhov muag plooj nyob ze nws, uas yog thaj chaw nrog ntau tshaj qhov pom tseeb nyob ze ntawm qhov khoom ntawm kev tsom thiab yog tib qhov tob);
- lub teeb ntawm lub teeb (qhov ntau dua nws tus nqi, qhov ntau muaj feem ntau koj yuav tsum ua kom tau zoo txhaj txawm nyob rau hauv cov kev mob twilight);
- stabilization ntawm daim duab (qhov tseeb, qhov no yog ib qho ntxiv nyiaj hauv daim ntawv nyiaj them rau qhov muag plooj).
Dab tsi yog qhov lo ntsiab muag rau SLR koob yees duab?
Zoo, nrog cov yam ntxwv ntawm txhua yam yog tseeb, tab sis lo lus teb rau lo lus nug nws tus kheej, peb tseem tsis tau txais. Yog xav tau me ntsis mus rau qhov kev daws teeb meem, peb mus txog hom lenses rau SLR koob yees duab. Muaj ntau ntau ntawm lawv, tab sis muaj ntau yam yeej siv tau. Yog li, qhov lo ntsiab muag rau SLR lub koob yees duab thiab dab tsi yog cov yam ntxwv ntawm txhua yam:
- Ntses. Tsis tshua siv, raws li nws yog feem ntau haum rau kev txhaj tshuaj thiab kev txhaj tshuaj. Qhov no tsuas yog cov duab xwb, thaum daim duab zoo li yuav tau muab xa tuaj rau hauv lub voj voog (nws zoo li cov nyhuv thaum koj saib ntawm cov neeg peephole). Qee lub sij hawm lawv siv rau zaj yeeb yaj duab ntawm architecture
- Ultra-dav thiab dav-angle. Kuj pom zoo rau cov duab hauv nroog thiab architecture. Qhov pom no muaj qhov tob tob ntawm qhov teb thiab ua rau nws muaj peev xwm siv cov duab nrog ntev ntev.
- Txheem. Nws yuav zoo li ib tug pib yees duab yuav tsum xaiv ib tug xws li lub lens rau SLR lub koob yees duab, txij no hom yog yooj yim. Tab sis "standard" nws yog xam
tsuas yog vim hais tias ntawm lub coincidence ntawm nws kaum sab xis pom nrog tus tib neeg. - Ntawm cov hom lenses rau SLR lub koob thaij duab yog xov tooj lithos , lawv lub focal ntev pib ntawm 70 hli. Qhov no yooj yim heev, yog tias koj npaj tua xwm thiab noog, nws yog qhov zoo rau cov duab, tag nrho cov khoom nyob deb.
- Macro lo ntsiab muag. Xaiv lub lens ntawm no hom rau SLR lub koob yees duab, ntau tus daws tau tom qab lawv tau siv lub tswv yim ntawm shooting portraits, lub nroog los yog qhov. Qhov tseeb, hom kab me me no me me tsom iav me me uas muaj peev xwm los tua me me cov khoom me me thiab pom tag nrho cov ntsiab lus tsawg tshaj plaws.