7 yog vim li cas thiaj yuav lub koob yees duab digital

2024 Tus sau: Malcolm Clapton | [email protected]. Kawg hloov kho: 2023-12-17 03:58

Yog tias koj mob siab txog kev yees duab, lub koob yees duab ntawm lub xov tooj, txawm tias qhov txias tshaj plaws, yuav tsis txaus.

1. Zoom

Yog li, koj tab tom ua yeeb yaj kiab tshaj tawm, tsiaj txhu hauv lawv qhov chaw nyob, kev sib tw kis las, cov neeg nyob ze ntawm lub tsev tawm tsam - feem ntau, koj nyob hauv txoj haujlwm uas nws tsis tuaj yeem mus ze rau qhov kev kawm. Optical zoom xav tau ntawm no.

Qhov no feature tau nyuam qhuav pib nws nthuav mus rau hauv lub ntiaj teb no ntawm smartphones. Yog lawm, lawv tau sim ua ke lub koob yees duab ntev thiab ib lub xov tooj ua ntej, piv txwv li, hauv daim ntawv ntawm ASUS Zenfone Zoom thiab Samsung Galaxy K Zoom, tab sis tsuas yog nrog kev tso tawm ntawm iPhone 7 txhua tus pib tham txog kho qhov muag zoom. Txawm li cas los xij, qhov siab tshaj plaws uas peb tseem tab tom muab yog qhov nce ob npaug. Tab sis yuav ua li cas yog tias koj xav tau zoom rau hauv cov ntsiab lus 10, 20, lossis 30 zaug? Yuav ua li cas yog tias koj yuav tsum yees duab lub hli?

2. Lub teeb rhiab heev

Yuav luag tag nrho cov niaj hnub smartphones coj cov duab zoo thaum nruab hnub. Txawm li cas los xij, sai li sai tau thaum tsaus ntuj, kev ntxhov siab pib: ib qho ua suab nrov, lwm tus tua nrog "suab nrov txo" nthuav dav thiab hloov xim zoo nkauj.

Cov matrices me me ntawm cov koob yees duab txawb nrog tib lub pixels me me tsuas yog lub cev tsis tuaj yeem ntes lub teeb txaus rau kev txhaj tshuaj zoo.

Yog lawm, cov tuam txhab lag luam tab tom sim daws qhov teeb meem los ntawm kev txo cov pixels thiab nce lawv qhov loj me, tab sis cov koob yees duab tseem zoo dua thaum hmo ntuj thiab nyob rau hauv cov teeb meem tsis zoo.

Piv txwv li, thaum Samsung Galaxy S8 muaj matrix loj ntawm 5, 8 × 4, 3 hli, Canon EOS 1300D amateur DSLR tau txais 22, 3 × 14, 9 mm sensor. Tsis tas yuav hais, lub koob yees duab puv 24x36mm tseem suav tias yog qhov kev xaiv zoo tshaj plaws thaum nws los txog rau cov duab zoo?

Piv nrog rau qhov aperture ntawm lub smartphone thiab lub lens DSLR. Hauv thawj kis, lub qhov yog me me, hauv qhov thib ob nws loj dua. Raws li, txoj kab uas hla ntawm lub teeb beam dhau los ntawm lub lens aperture kuj txawv.

3. Interchangeable lo ntsiab muag

Niaj hnub no koj tua cov sab hauv, tag kis koj tua toj roob hauv pes, thiab hnub tom qab tag kis koj tua noog hauv lub vaj. Txhua qhov xwm txheej no yuav tsum muaj lub lens sib txawv: lub kaum sab xis dav txog 24mm, lub kaum sab xis dav txog 35mm, thiab lub lens telephoto los ntawm 135mm. Yog tias qhov zoo ntawm cov duab yog qhov tseem ceeb, ces koj tuaj yeem yuav kho, thiab yog tias qhov chaw hauv lub hnab thiab kev ua haujlwm ntawm kev ua haujlwm zoo - zoom. Ntxiv mus, txhua lub lens muaj nws tus kheej sau ntawv, uas yog, cov duab kis tau tus yam ntxwv ntawm nws: ib tug ntse, lwm yam mos thiab airy, qhov thib peb tsim ib tug tej yam yees siv bokeh.

Yog li, DSLRs thiab cov koob yees duab kaw lus tso cai rau koj hloov lub lens. Lub smartphone tsis yog, yog li koj yuav tsis xav tias muaj riam phom tag nrho.

4. Chaw

Raws li muaj cov phiaj xwm hauv ntiaj teb, muaj ntau yam kev xaiv rau kev teeb tsa. Cov hom phau ntawv xav tau tsis yog tsuas yog nyob rau hauv rooj plaub thaum lub automation ua yuam kev, tab sis kuj yog thaum koj xav tau txhaj tshuaj tshwj xeeb. DSLRs, ultrazoom koob yees duab, system koob yees duab thiab ib co compacts tso cai rau koj mus teem aperture, shutter ceev, ISO thiab dawb tshuav nyiaj li cas, thiab kuj muaj tshwj xeeb hom xws li aperture qhov tseem ceeb los yog shutter ceev.

Lub ergonomics ntawm lub koob yees duab yog tailored kom koj thiaj li hloov tau sai sai nrog ib tug los so ntawm koj tus ntiv tes.

Yog lawm, qee lub xov tooj smartphones kuj muaj qhov hu ua Pro hom, thiab muaj cov ntawv thov tshwj xeeb. Txawm li cas los xij, yog tias hauv lub koob yees duab koj kho lub cev tsis muaj qhov tseeb ntawm cov khoom siv tam sim no, tom qab ntawd hauv lub xov tooj smartphone tag nrho cov kev teeb tsa no yog virtual, vim nws lub lens tsis muaj aperture blades.

5. Flash

Kev tua sab hauv tsev yog inconceivable yam tsis muaj peev xwm ua haujlwm flash. Yog lawm, muaj lub teeb nyem hauv txhua lub xov tooj smartphone, tab sis nws tsuas yog muab lub teeb pom kev hauv ntej. Lub koob yees duab tuaj yeem ntxiv nrog lub flash sab nraud nrog lub taub hau tig. Nws yuav tso cai rau koj tsis tsuas yog ntaus lub teeb ntawm koj lub hauv pliaj, tab sis coj nws mus rau lub qab nthab lossis phab ntsa, yog li tsim cov teeb pom kev zoo.

6. Kev tiv thaiv

Yog tias koj tab tom mus taug kev nyuaj lossis tsuas yog txiav txim siab mus dhia dej nrog scuba dhia, ces tsis muaj smartphone yog koj tus khub ntawm no. Tab sis ntawm cov koob yees duab muaj cov qauv tshwj xeeb rau kev tua nyob rau hauv huab cua.

Piv txwv li, Olympus Tough koob yees duab yog tiag tiag indestructible. Tus qauv TG-870 tseem ua haujlwm thaum poob los ntawm qhov siab ntawm 2.1 m, raus hauv dej mus txog 15 m, lub siab ntawm 100 kg, ntawm qhov kub qis mus txog -10 ° C. Tau kawg, nws kuj tseem tiv thaiv plua plav. Tsis tas li ntawd, Pentax lub koob yees duab yog qhov txawv ntawm kev muaj sia nyob tshwj xeeb.

7. Yooj yim

Cia peb fim nws: tuav lub smartphone thaum thaij duab tsis yooj yim. Qhov no nyias thiab lub teeb ntawm cov yas, hlau lossis iav nplaum tuaj yeem muab tso nrog yog tias koj tua nyob rau hauv cov xwm txheej zoo thiab tsis nrawm. Yog tias koj nce toj roob lossis maj nrawm nyob ib puag ncig lub chaw sau npe, lossis txawm tias tuaj yeem mus rau kev sib tw nom tswv kom ntes tau kub hnyiab, nws yog ib qho tseem ceeb uas cov cuab yeej nyiam tuav hauv koj txhais tes thiab tsis ntshai poob.

Yuav luag txhua lub koob yees duab, tshwj tsis yog qee lub compacts thiab mirrorless koob yees duab, muaj ib tug anatomical tuav, thiab txhua tus muaj ib pluaj rau dai nyob ib ncig ntawm lub caj dab.