SLR koob yees duab - dab tsi yog cov txheej txheem no? Dab tsi yog cov txiaj ntsig ntawm SLR koob yees duab?

2024 Tus sau: Sierra Becker | [email protected]. Kawg hloov kho: 2024-02-26 05:16

Kev kawm txuj ci tsis nyob twj ywm, txhua hnub cov duab thiab yees duab khoom siv tau yooj yim dua rau tib neeg. Tau kawg, qhov no tsis yog ib txwm muaj, vim tias ob lossis peb xyoos dhau los, tsuas yog cov kws tshaj lij lossis cov neeg muaj qib siab heev tuaj yeem siv cov cuab yeej yees duab thiab yees duab.

Tab sis qhov peb pom tam sim no: yuav luag txhua tsev neeg muaj nws tus kheej "tsev neeg lub koob yees duab" hauv tsev, tsis hais tus tswv ntawm cov cuab yeej digital niaj hnub no. Cov koob yees duab hloov pauv ntawm qhov xav tsis thoob - yuav luag txhua lub hlis peb pom cov qauv tshiab thiab cov khoom siv yees duab ntawm cov txee. Tab sis cov lus nug ntawm lub koob yees duab twg zoo dua - SLR lossis digital tseem cuam tshuam?

Dab tsi yog lub koob yees duab SLR

SLR koob yees duab yog ib kauj ruam loj rau hauv kev txhim kho kev lag luam duab thiab yees duab. Yog lawm, yog, nws yog video rooj plaub, txij li niaj hnub SLR koob yees duab (piv txwv li, Canon 7D) tua feem ntauLavxias teb sab serials ntawm peb lub sij hawm. Thiab qhov no yog qhov ncaj ncees, txij li cov khoom siv yees duab yog ntau compact, thiab tsim ib daim duab tsis phem tshaj lub koob yees duab kev yees duab loj loj. Yog li ntawd, nrog kev ntseeg siab tag nrho peb tuaj yeem hais tias SLR koob yees duab yog peb lub neej yav tom ntej! Los tsis? Cia peb kawm saib.

Raws li txoj cai, kev paub txog kev thaij duab nrog lub koob yees duab SLR yog qhov lav kom tau txais cov duab zoo thiab zoo nkauj. Tab sis ua tib zoo mloog rau qhov tseeb tias cov "lub thawv xab npum" zoo tib yam tuaj yeem tsim cov duab, qee zaum tsis zoo dua li "lub koob yees duab reflex". Txawm hais tias peb coj lub koob yees duab zam thiab hloov tshiab ntawm Gopro series ua piv txwv. Nws tsis tso nws tus kheej ua lub koob yees duab SLR (cov duab thiab cov ntaub ntawv video raug coj los ntawm Gopro hauv kwv yees li qhov piv txwv). Tab sis txawm tias qhov no, cov nyhuv fisheyes (fisheye) - ua rau lub koob yees duab me no nrov heev.

Qhov txawv ntawm "lub koob yees duab reflex" thiab "tus lej"

Qhov txawv ntawm SLR thiab cov koob yees duab digital yog dab tsi? Muaj qhov sib txawv, thiab lawv tseem ceeb heev. SLR koob yees duab yog lub zam ntawm lub xyoo pua tshiab, tab sis txhua yam txawv ua ntej. Yav dhau los, tsuas yog 5 megapixels ntawm lub koob yees duab HP txaus rau ib tug neeg, thiab kev ntes ib pliag yog nyob rau hauv thawj qhov chaw, tsis zoo nkauj txhaj tshuaj nrog koj miv. Cov koob yees duab digital yog qhov kev xaiv nyiaj txiag zoo rau cov neeg siv lawv ib zaug lossis ob zaug hauv ib hlis (thaum phooj ywg tuaj xyuas, lossis tus ntxhais txiav plaub hau).

Ua tsis yuam kev uas pheej yig txhais tau tiastsis zoo, uas tsis muaj tseeb kiag li. Ntau lub koob yees duab digital raug nqi 300-500 las txhua qhov, muaj cov iav zoo (lens) thiab lwm yam tshwj xeeb (piv txwv li, lawv tuaj yeem tua tau yooj yim hauv qab dej). Yog li, cov thev naus laus zis digital muaj ntau qhov zoo, tab sis yog tias koj xav ua kev yees duab ntau tshaj lij, ces koj yuav tsum tseem xav txog kev yuav tsis yog lub koob yees duab digital, tab sis tib lub koob yees duab SLR.

Kev faib cov koob yees duab SLR

Branding tuaj yeem suav tias yog qhov kev faib tawm yooj yim tshaj plaws ntawm cov khoom siv yees duab. Tam sim no muaj ob peb lub tuam txhab uas tsim cov cuab yeej yees duab thiab yees duab. Muaj ob peb ntawm lawv, tab sis tej zaum cov npe nrov tshaj plaws thiab muaj npe nrov yog cov neeg sib tw ntev - Canon thiab Nikon. Nws zoo li kev tsov rog loj ntawm Coca-Cola thiab Pepsi - kev ua tsov rog tsis muaj neeg raug mob, kav ntev mus rau ntau pua xyoo. Nyob rau tib lub sijhawm, nws nyuaj heev los hais tias lub koob yees duab SLR yog txias dua - Canon lossis Nikon. Yog, muaj qhov sib txawv ntawm lawv, tab sis txawm tias lawv, lawv tau khaws cia kwv yees li ntawm tib theem. Yog tias ib tug neeg hais tias Nikon lub koob yees duab daj lub thav duab, ces lwm tus hais tias Canon tsim cov duab nrog lub ntsej muag xiav.

Ntawm no, lub luag haujlwm tseem ceeb yog ua los ntawm yuav ua li cas thiaj li thaij duab zoo nrog lub koob yees duab SLR ntawm ib lossis lwm qhov chaw tsim khoom. Txij li thaum txhua lub koom haum xav ua kom nws cov txheej txheem tshwj xeeb, nws feem ntau ntxiv kev cai teeb tsa, lossis tsim cov duab saib qhov rais hauv nws txoj kev. Qhov no feem ntau yog vim qhov tseeb hais tias kom accustom ib tug neeg (txawm li cas los xij nws yuav suab tsis zoo) rau nws cov txheej txheem, kom nwssiv rau ib lub hom phiaj tshwj xeeb. Tham nrog cov kws yees duab tshaj lij, nws tsis zoo li tias koj yuav ntsib nrog lawv ib tus neeg uas tau hloov lub tuam txhab tsim cov khoom siv yees duab ob peb zaug. Thiab yog tias koj ntsib, nco ntsoov muab nws cov ntaub ntawv tiv tauj rau peb tom qab - txhua tus yuav tsum paub txog tus neeg no.

Kev tshuaj xyuas ntawm SLR koob yees duab, qhov sib txawv ntawm lawv mus rau lub koob yees duab puv npo

Cov koob yees duab hauv cov koob no tam sim no nyob rau qhov siab tshaj plaws ntawm lawv qhov chaw, thiab rau ntau yam.

Qhov no yuav zoo cuam tshuam los ntawm qhov tseeb tias SLR thiab lwm yam APS-C hom koob yees duab muaj cov neeg sib tw zoo heev ntawm kev ua lag luam - lub koob yees duab tsis muaj iav, uas muaj kev sib xyaw ua ke ntawm cov yam ntxwv zoo li tus nqi pheej yig, nrog rau cov khoom siv ua kom poob siab.

Ntawm qhov tod tes, peb tuaj yeem pom tias cov koob yees duab SLR tam sim no tau txav los ze dua thiab ze rau cov haujlwm tshaj lij, tau txais cov khoom los ntawm lawv cov phooj ywg laus. Yog li ntawd, lawv dhau los ua pheej yig dua, thiab tom qab ntawd txav los ntawm qeb ntawm cov koob yees duab kev tshaj lij mus rau qeb ntawm ntau lub ntsiab lus ntawm cov koob yees duab siab heev rau cov neeg nyiam ua haujlwm.

Lub tuam txhab twg ua lub koob yees duab puv npo?

Cov koob yees duab puv-ncej SLR tau yog lub tswv yim ntawm tsuas yog peb lub tuam txhab hauv keeb kwm ntawm kev yees duab - Nikon, Canon, Sony. Cov koob yees duab no tsuas muaj nyob rau hauv ob peb lub kaum os qauv, nrog rau lub koob yees duab kawg no tau tso tawm thaum ntxov li 2004 los ntawm Kodak. Tsis tas li ntawd, cov koob yees duab zoo li no nyuaj heev rau hu ua "pob nyiajkev xaiv ", txij li lub koob yees duab ntawm ib hom zoo sib xws Leica M9 tsis muaj lub lens nqi txog ib puas thiab plaub caug txhiab rubles. Tus nqi zoo nkauj heev, puas yog?

Yuav ua li cas thaij duab nrog lub koob yees duab SLR rau tus kws yees duab pib?

Yog tias koj txiav txim siab pib koj txoj haujlwm kev yees duab tam sim ntawd nrog lub koob yees duab tshaj lij, ces npaj kom ntsib ntau yam teeb meem thiab teeb meem ntawm txoj kev.

Ua ntej tshaj plaws, nws tsim nyog hais tias lub koob yees duab nws tus kheej yuav tsis muab rau koj cov duab uas zoo meej rau cov ntsiab lus thiab teeb pom kev zoo. Yog li ntawd, txhawm rau kom tau txais cov duab zoo, sim ua raws li ntau txoj cai.

Horizon Rules

Lub koob yees duab reflex yog koj lub qhov rais mus rau lub ntiaj teb tiag, ib qho piv txwv ntawm koj qhov kev pom thiab lub tswv yim ntawm lub ntiaj teb. Ceev faj tsis txhob thaiv lub qab ntug hauv koj qhov kev txhaj tshuaj. Kev zam ntawm skewed qhov chaw tau tawm ntawm kev zam rau lub sijhawm ntev heev. Saib ntawm txoj kev - koj pom tag nrho cov khoom ncaj qha, txhua txoj kev yog nyob rau hauv tshwj xeeb horizontally, thiab cov ncej - vertically. Nws yuav tsum yog tib yam hauv koj daim duab, yog tias nws nyuaj rau koj, tom qab ntawd tsom rau cov kab ncaj nraim hauv qhov pom, qhov no yuav pab tau koj ntau thaum pib ntawm koj txoj kev mus.

Tsis tas li, muab qhov tseem ceeb tshwj xeeb rau txoj cai zoo li qhov sib piv kub. Lub hlwb faib koj lub qab ntug rau hauv 9 daim duab plaub zoo tib yam (los ntawm saib peb kab ntsug thiab peb kab rov tav). Tom qab ntawd, xaiv cov ntsiab lus huab ntawm lub duab plaub nyob rau hauv heevchaw. Ua tiav? Zoo! Qhov tseeb yog tias plaub lub ntsiab lus no (qhov xwm txheej, tau kawg) yog qhov zoo tshaj plaws thiab yooj yim rau kev nkag siab rau peb lub qhov muag. Yog li thaum koj thaij duab, xyuam xim rau lawv, nws yuav pab tau koj ntau.

Kev nqis tes taw ntawm lub koob yees duab SLR

DSLRs feem ntau yog qhov txawv ntawm qhov tseeb tias lawv muab lub sijhawm rau tus tswv los ua kom tiav lawv cov kev txhaj tshuaj yav tom ntej, pib ntawm lub teeb thiab xaus nrog lub ntsiab lus tseem ceeb.

Yog tias koj tsis tau ua haujlwm nrog DSLR hauv tus neeg ua ntej, peb xav qhia koj kom pib los ntawm kev nyeem ntau cov lus qhia thiab saib cov yeeb yaj kiab qhia tau li sai tau. Nyob rau hauv rooj plaub no, feem ntau ntawm tag nrho cov saib xyuas cov ntsiab lus xws li: - aperture;

- excerpt;

- tsom;

- zoom.

Tag nrho cov txiaj ntsig no tuaj yeem hloov kho txawm tias qhov yooj yim tshaj plaws thiab pheej yig tshaj SLR lub koob yees duab, qhov loj ntawm cov kev txwv no yog ib qho tseem ceeb ntawm cov nqi ntawm cov khoom siv yees duab.

Kev sib sau thiab kev tsim kom raug

Thaum kawg, kuv xav qhia rau koj tias kev teeb tsa tsis raug ntawm koj lub koob yees duab tsis yog tag nrho. Yuav ua li cas kom zoo duab nrog lub koob yees duab SLR ncaj qha nyob ntawm qhov tsim nyog ntawm tus ncej. Txhawm rau kom nkag siab zoo dua qhov teeb meem no, nyeem txog hom kev sib xyaw (kaw, qhib, thiab lwm yam). Thiab tseem xyuam xim rau qhov loj thiab cov phiaj xwm: tsom, dav dav, nruab nrab (nruab nrab txoj kev npaj rau lub duav, nruab nrab txoj kev npaj rau hauv siab), ze-upthiab thaum kawg ib txoj kev npaj kom ntxaws.

Txhua txoj cai thiab cov lus qhia no yuav pab koj thaij duab zoo yav tom ntej. Tab sis tsis txhob hnov qab tias cov kev cai yog ib qho xwm txheej heev, thiab qee zaum nws tsis mob kom ua txhaum lawv kom raug. Yog li ntawd, kev sim, vim tias nws yog qhov kev sim uas yuav pab koj nqa cov duab zoo thiab qub, uas koj tuaj yeem xa mus rau ntau yam kev nthuav qhia yam tsis muaj kev ntshai.