Yuav Tau Txais Lub Zog Zoo Tshaj Txhua Lub Sij Hawm

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Txawm hais tias koj yog ib tus hobbyist lossis tus tshaj lij, tau txais kev pom zoo rau koj cov duab yog ib qho ntawm feem tseem ceeb tshaj plaws ntawm kev thaij duab. Muaj ntau yam paub txog kev tau txais cov duab tsis meej txawm tias, thiab qee zaus nws tsis meej pem kom paub dab tsi los tsom rau (pun npaj… ha ha) yog tias koj cov duab tsis tshwm sim los yog ua kom pom tseeb. Cov ntawv tshaj tawm no yuav ua rau koj nkag siab zoo txog yuav ua li cas kev tsom xam ua haujlwm thiab koj tuaj yeem ua li cas txhawm rau txhim kho kev tsom xam hauv koj cov duab.

Ua ntej, cov hauv paus.

Autofocus vs. kev tuav ua kom pom tseeb.

Niaj hnub nimno DSLRs txhua tus muaj peev xwm autofocus. Qhov no txhais tau tias lawv yuav cia li xaiv rau ib qho kev kis lossis thaj chaw uas tau xaiv los ntawm koj lossis lub koob yees duab. Autofocus systems nyob rau hauv DSLRs tau txais ntau dua thiab ntau dua thiab yog qhov tseeb heev. Feem ntau cov koob yees duab muaj tsom motors rau autofocus ua rau lub koob yees duab. Txawm li cas los xij, qee tus tsis ua, thiab yuav tsum tau hais tias lub lens muaj lub zog tsom mus rau lub zog kom autofocus. Nco ntsoov nkag siab tias seb koj lub koob yees duab autofocuses ntawm lub cev lossis lub lens yog li koj paub tias lub lens twg tsim nyog rau koj lub koob yees duab yog tias koj xav tau lub peev xwm autofocus.

Txawm hais tias DSLRs muaj cov autofocus zoo heev, koj tseem tuaj yeem tsim kho koj lub lo ntsiab muag. Qhov no txhais tau tias koj tswj lub tsom xam ntawm lub lens vs. lub koob yees duab tsom rau lub lens. Nco ntsoov tias phau ntawv tsom xam yog tsis tib yam li tua nyob rau hauv phau ntawv hom. Koj tuaj yeem tua nyob rau hauv phau ntawv hom thiab siv autofocus. Koj tuaj yeem tua ntau hom rau lwm hom kev tsis yog phau ntawv thiab txhais tes tsom koj lub lens. Hloov lub lens ntawm pib rau phau ntawv yog ib qho yooj yim. Nws yog yuav luag ib txwm ua los ntawm kev hloov me me rau lub cev lens, feem ntau qhia "AF" thiab "MF", raws li pom hauv qab no. Muaj qee qhov lo ntsiab muag uas txawm tias tso cai rau koj los kho kom zoo los tsim thaum lub teeb tsom mus rau autofocus; qhov no hu ua autofocus override. Yog tias koj tsis paub meej seb koj lub lens puas tuaj yeem ua qhov no, xyuas nws cov kev ntsuas.Autofocus-switch Yuav Ua Li Cas Kom Tau Txais Kev Tshawb Nrhiav Zoo Tshaj Txhua Lub Sij Hawm Qhua Bloggers Kev Tawm Tswv Yim Yees Duab

Kuv yuav tsum txawm siv phau ntawv ua kom pom tseeb?

Qhov no yog ib nqe lus nug zoo. Autofocus tshuab zoo heev, yog li thaum twg thiab vim li cas koj yuav tsum xaiv ua txhua yam manually? Rau feem ntau, autofocus yog txoj kev mus. Nws tau nrawm thiab muaj tseeb. Kuj, niaj hnub DSLR tsom cov ntxaij vab tshaus tsis tau tsim los tswj kev ua kom pom tseeb zoo ib yam li cov ntxaij vab tshaus tsom hauv cov duab qub-tsom xam cov koob yees duab yees tau. Nws yog qhov nyuaj heev rau kev tswj hwm DSLRs ntawm qhov ntau ntawm qhov apertures vim tias lawv cov tsom iav tsom tsis tau ua rau lub hom phiaj no. Ntawd tau hais tias, muaj qee lub sijhawm uas koj xav tau lossis xav tau kev siv phau ntawv tsom. Qee qhov lo ntsiab muag tsuas yog kev tuav pom tseeb xwb, yog li koj txoj kev xaiv tsuas yog ua kom pom tseeb xws li lub lens. Muaj cov lo ntsiab muag niaj hnub no uas yog phau ua kom pom tseeb nkaus xwb thiab tseem muaj cov lo ntsiab muag laus dua uas tuaj yeem haum rau cov koob yees duab niaj hnub uas yuav xav tau ua kom pom tseeb ntawm tus kheej. Lwm qhov teeb meem uas kev ua kom pom tseeb los hauv kev sib raug zoo heev yog tua macro.  Macro kev yees duab yog qhov kev qhuab qhia meej heev thiab cov duab zoo li muaj qhov tob tob heev ntawm daim teb. Qhov no qee zaum tuaj yeem ua yuam kev tsis tuaj yeem autofocus system, lossis autofocus yuav tsis tsaws rau qhov chaw koj xav tau, yog li koj yuav ua tau zoo dua ntawm tes ua kom tau txhaj tshuaj uas koj xav tau nrog lub tsom qhov koj xav tau.

Muaj ntau ntau cov ntsiab lus xav tau. Kuv yuav siv lawv li cas?

Koj DSLR muaj ntau lub ntsiab lus tseem ceeb. Tej zaum txawm ntau thiab ntau yam! Qhov tseem ceeb tshaj plaws yog siv lawv txhua tusCov. Tsis tas nyob rau tib lub sijhawm, tab sis koj yuav tsum cia siab rau tag nrho koj cov ntsiab lus kom tau lub hom phiaj zoo meej… yog li siv lawv!

Yog li dab tsi yog txoj kev zoo tshaj los siv lawv?

Qhov tseem ceeb tshaj plaws, Xaiv koj lub hom phiaj ua kom pom tseebCov. Tsis txhob cia lub koob yees duab xaiv lawv rau koj! Kuv rov hais dua, xaiv koj lub ntsiab lus tseem ceeb! Thaum lub koob yees duab xaiv koj lub hom phiaj rau koj, nws tsuas yog noj lub caij nyoog ua si qhov twg nws xav tias qhov ua kom pom tseeb yuav tsum yog. Qee yam hauv daim duab yuav ua kom pom tseeb… .tab sis nws yuav tsis yog qhov koj xav tau. Tshawb xyuas cov piv txwv txhaj tshuaj hauv qab no. Hauv thawj daim duab no, Kuv tau xaiv kuv qhov kev tsom xam kom lub paj teeb yuav nyob hauv kev ua kom pom tseeb.manually-selected-focus-point Yuav Ua Li Cas Kom Tau Txais Kev Nkag Siab Txhua Lub Sij Hawm Qhua Bloggers Cov Lus Qhia Kev Yees Duab

Tam sim no saib cov yees duab tom ntej. Txhua yam nyob hauv cov yees duab tom ntej yog tib yam li thawj lub: lens, chaw, kuv txoj haujlwm. Tsuas yog qhov kuv hloov pauv yog qhov uas kuv tau hloov lub hom phiaj xaiv los ntawm ib qho taw tes mus rau lub koob yees duab xaiv lub ntsiab lus tsom. Raws li koj tuaj yeem pom, kuv daim phiaj paj daj tsis nyob hauv kev ua kom pom tseeb tab sis lub paj ntawm nruab nrab tau tam sim no dhau los ua lub hom phiaj. Qhov no yog li cas cov koob yees duab xaiv xaiv.lub koob yees duab-xaiv-ua kom pom tseeb-taw qhia Yuav Ua Li Cas Kom Tau Zoo Tshaj Plaws Txhua Lub Sijhawm Qhua Bloggers Cov Lus Qhia Kev Yees Duab

Kuv puas yuav tsum siv tib qho taw tes? Ntau cov ntsiab lus? Kuv thiaj ntxhov siab!

Kuv tsis cem koj. Muaj qee zaum qhov ntau dhau ntawm cov teeb meem ntawm cov ntsiab lus tsom ntawm peb lub koob yees duab, thiab nws nyuaj rau kev paub tias yuav xaiv qhov twg. Qee lub koob yees duab muaj lub ntsej muag tsom qhov tau hais tsawg dua li lwm tus, tab sis feem ntau txhua tus muaj qhov tsawg kawg ntawm kev muaj peev xwm xaiv ib qho taw tes thiab tseem yog ib pawg loj dua ntawm cov ntsiab lus. Kev taw tes tib lub ntsiab lus tuaj yeem siv rau ntau hom kev yees duab. Nws yog huab tais rau duab ib sab. Tso lub hom phiaj tsom rau qhov muag ntawm ib qho kev kawm, los yog ua kom pom tseeb 1/3 txoj hauv kev rau cov pab pawg ntawm cov neeg nrog ib kis. Siv nws rau kev ua haujlwm thiab muab koj lub tsom xam rau qhov chaw koj xav tau. Koj tuaj yeem siv nws rau kev ua kis las yog tias koj ua tau zoo ntawm kev taug qab cov ncauj lus. Nco ntsoov tias thaum koj siv tib qho kev ua kom pom tseeb, nws tuaj yeem yog TXHUA kis, tsis yog lub ntsiab lus nruab nrab. Siv ntau lub ntsiab lus tuaj yeem pab tau thaum tua cov kis las nrog cov ncauj lus nrawm nrawm uas nyob deb thiab nyuaj rau kev taug qab thiab khaws hauv qab ib kis. Yog hais tias koj lub koob yees duab muaj lub zog loj dua ntawm autofocus koj yuav muaj ntau txoj hauv kev thaum nws los siv ntau tshaj ib qho chaw tsom rau ib zaug. Siv sijhawm los nkag siab txog qhov ua ib leeg tau ua kom koj tuaj yeem siv lawv kom tag nrho. Ntau cov ntsiab lus tseem ceeb tsis yog ib qho yuav tsum tau siv thaum tua ib qho lossis ib pawg duab ib sab. Tab sis yog tias koj tab tom noj ib daim duab ntawm qee yam siv los siv hom no, nco ntsoov qhov no: muaj qee lub sijhawm thaum koj muaj ntau lub ntsiab lus qhib tau uas nws yuav zoo li muaj cov ntsiab lus tsom hauv ob peb tus neeg lub ntsej muag. Qhov no tsis tas txhais tau tias txhua tus neeg yuav ua kom pom tseeb. Txawm hais tias lub koob yees duab tau qhia ntau lub ntsiab lus tsom, nws qhov tseeb tsuas yog xaiv ib qho ntawm cov ntsiab lus, qhov taw tes nrog qhov sib txawv pom tshaj plaws, kom pom tseeb. Nco ntsoov tias koj qhov tob yog qhov dav txaus kom haum rau koj pawg neeg nkaus xwb.

Dab tsi yog lub autofocus tsav hom hais txog?

Cov qauv no tswj hwm qhov kev tsom xam lub cev hauv lub lens / koob yees duab ua haujlwm. Ua raws li koj lub koob thaij duab, cov qauv yuav muaj ntau lub npe. Ib qho txhaj koob tshuaj tivthaiv / AF-S hom txhais tau hais tias lub tshuab ua kom pom tseeb tsuas yog tuaj ib zaug thaum koj siv khawm kaw lossis khawm rov qab los ua kom pom tseeb. Nws tsis khiav zoo. Kev tsom xam yog nyob rau hauv tib qho chaw no kom txog thaum lub koob yees duab refocuses nrog lwm tus ib nrab xovxwm ntawm lub pob kaw lossis nias ntawm lub khawm tom qab. Cov hom no zoo heev rau duab thiab toj roob hauv pes. AI Servo / AF-C hom txhais tau tias lub tshuab ua kom pom tseeb tseem khiav thaum kev ua kom pom tseeb yog taug txoj kev sib hloov. Nyob rau hauv hom no, lub khawm kaw lossis khawm rov qab yog khaws cia nias thaum taug qab cov ncauj lus kom thiaj li ua rau lub zog ua haujlwm tsom. Hom no zoo heev rau txhua yam kev kawm tau txav (kis las, tsiaj, menyuam yaus ntawm kev tawm mus). Nws tsis yog feem ntau siv rau cov duab.

Dab tsi yog toggling kuv lub ntsiab lus hais txog? Yuav ua li cas hais txog qhov pom tseeb thiab pom zoo?

Toggling koj lub ntsiab lus txhais tau tias koj tau xaiv koj lub hom phiaj siab koj tus kheej thiab koj hloov mus, lossis "toggling" qhov ntawd ib puag ncig kom txog thaum koj xaiv qhov taw tes dhau ntawm koj lub hom phiaj xav tau. Cov koob yees duab niaj hnub no yog tsim rau toggling! Muaj ntau ntau cov ntsiab lus tseem ceeb hauv lawv… siv lawv! Toggle tseg!

Ua kom pom tseeb thiab pom zoo yog ib txoj kev uas koj kaw kev tsom rau ib qho kev kawm (feem ntau, tab sis tsis tas li, siv qhov chaw nruab nrab), tom qab ntawd khaws lub pob hluav taws xob khawm ib nrab nias thaum koj pom zoo rau kev txhaj tshuaj los tso cov ncauj lus uas koj xav tau. Tom qab koj nqa lub yees duab. Hauv txoj kev xav, kev tsom xam yuav tsum nyob twj ywm rau ntawm qhov chaw koj pib tso rau. Txawm li cas los xij, hom no qee zaum tuaj yeem dhau los ua teeb meem, tshwj xeeb tshaj yog thaum koj siv apertures dav nrog dav heev focal dav hlau. Ua kom pom tseeb yog nyob hauv lub dav hlau… xav txog daim iav uas txuas ntxiv thiab nce thiab nqis rau sab ib sab, tab sis nws cov tuab yog nyob ntawm ntau yam, suav nrog qhov aperture. Thaum koj qhov aperture yog dav heev, uas “daim iav” yog qhov heev, nyias nyias. Rov ua dua tshiab tuaj yeem ua rau lub dav hlau focal hloov (xav txav ntawm daim iav ntawd me ntsis), thiab qhov ntawd tuaj yeem ua rau koj lub hom phiaj xav hloov. Ob daim duab hauv qab no tau coj nrog tib lub chaw. Hauv focal ntev yog 85mm, thiab lub qhov loj yog 1.4. Thawj qhov txhaj tshuaj tau coj los ntawm toggling kuv lub ntsiab lus tsom rau kuv cov kawm lub qhov muag. Nws ob lub qhov muag yog hauv qhov chaw ua kom pom tseeb. Hauv daim duab thib ob, Kuv tsom thiab pom zoo. Hauv daim duab ntawd, nws lub pob muag yog qhov pom tseeb tab sis nws lub qhov muag tsis meej. Kuv focal dav hlau, uas yog heev heev ntawm 1.4, tau pauv thaum kuv thov tawm tswv yim.

toggle-focus-points Yuav Ua Li Cas Thiaj Tau Txais Kev Tshawb Fawb Txhua Lub Sij Hawm Qhua Bloggers Cov Lus Qhia Ua Duab

tsom-muab tawm Yuav ua li cas kom tau Nkag Siab Zoo Tag Nrho Txhua Lub Sijhawm Qhua Bloggers Cov Lus Qhia Kev Yees Duab

Qee lub sij hawm nws yog qhov tsim nyog los ua kom pom tseeb thiab pom zoo. Qee zaum kuv thaij tau duab uas kuv qhov chaw nyob lwm qhov chaw sab nraum ntawm qhov chaw uas kuv lub koob yees duab tsom xam cov ntsiab lus ncav. Yog li, kuv yuav tsom thiab coj tawm tswv yim hauv cov xwm txheej ntawd. Yog tias ua li ntawd, nws tsuas yog ib qho tseem ceeb los sim ua qhov nyuaj li sai tau kom tsis txhob txav koj lub dav hlau focal, thiab yog tias ua tau, siv lub qhov nqaim me ntsis uas yuav pab tau.

Kuv cov duab tsis pom tseeb. Kuv yuav ua li cas?

Tej zaum yuav muaj ntau qhov laj thawj vim li cas koj cov duab tsis nyob hauv qhov chaw tsom. Sim daws teeb meem siv cov npe hauv qab no:

  • koj tob ntawm daim teb nrog aperture koj siv yog yuag dhau mus ua txhua yam koj xav tau ua kom pom tseeb.
  • Koj lub koob thaij duab yog xaiv qhov koj ua kom pom tseeb thiab tsis tso nws nyob qhov twg koj xav tau.
  • Koj tab tom sim tsom mus rau ib yam dab tsi los ze dua li lub lens 'tsawg kawg tsom qhov deb (qee qhov lo ntsiab muag muaj qhov tsom qhov tsawg kawg nkaus. Feem ntau, tsuas yog nrog macro lo ntsiab muag, qhov ntev focal nrug, deb deb qhov deb qhov tsom xam qhov tsawg kawg nkaus. Yog khij lub lens ntawm lub npov. Yog tsis yog, koj tuaj yeem tshawb xyuas online lossis hauv koj phau ntawv lens ntawm phau ntawv rau cov ntaub ntawv no.)
  • koj kaw hluav taws xob yog qeeb heev, ua rau cov lus tsa suab plooj
  • Koj tau tua hauv lub teeb qis heev thiab nws nyuaj rau koj lub koob yees duab los kaw lub ntsiab.
  • Koj yuav muaj lub autofocus tsav hom teeb tsis raug (piv txwv li siv ib zaug xwb ntawm kev txav mus los, lossis siv Servo / kev tsom mus txuas ntxiv rau cov tseem kawm. Ob qhov no tuaj yeem ua plooj.)
  • Koj tab tom tua hauv ib lub kos thiab muaj IS / VR ntawm. Txoj haujlwm no yuav tsum tau hloov thaum lub lens ntawm lub kos.
  • Koj lub lens muaj qhov teeb meem muaj tseeb autofocus. Feem ntau qhov no tsuas yog me ntsis teeb meem uas lub lens tsom mus rau me ntsis pem hauv ntej los yog sab nraum ntawm qhov chaw koj xav kom nws ua kom pom tseeb. Txhawm rau kuaj tias nws yog lub lens, koj yuav tsum tso koj lub lens ntawm ib qho chaw thiab nqa cov duab ntawm ib yam dab tsi xws li tus pas ntsuas kom pom tias koj lub siab poob qhov twg koj npaj siab. Koj kuj tseem tuaj yeem nrhiav cov duab kab hauv online txhawm rau sim tshuaj tsom. Yog tias koj pom koj lub lens 'tsom xam tawm, koj tuaj yeem ua kev kho kom haum rau koj tus kheej yog tias koj lub koob yees duab muaj autofocus microadjustment lossis cov kev xaiv zoo nyob. Yog tias koj lub koob yees duab tsis muaj qhov kev xaiv no, koj yuav tsum tau xa lub koob yees duab mus rau lub chaw tsim khoom lossis nqa mus rau lub khw muag khoom lub koob yees duab kom muaj kev hloov kho tau. Yog hais tias qhov teeb meem yog hais tias lub autofocus ntawm lub koob yees duab tau ua rau puas tsuaj los yog tawg, qhov no yuav tsum tau kho los ntawm lub chaw tsim khoom lossis lub khw kho cov koob yees duab thiab yuav tsis raug kho los ntawm kev kho me me.

Tam sim no tawm mus muaj thiab tau txais cov duab ntse koj xav tau ib txwm!

Amy luv luv yog tus duab kos duab thiab poj niam yug los ntawm Wakefield, RI. Koj tuaj yeem nrhiav nws ntawm www.amykristin.com thiab nyob rau FacebookCov. Cov ntawv tshaj tawm no yog rov luam tawm ntawm peb cov neeg nyiam saib lub hom phiaj yav dhau los - peb xav kom paub tseeb tias peb cov neeg tuaj nyeem tshiab muaj txoj hauv kev tau txais cov ntaub ntawv zoo no.

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tsis muaj Comments

  1. Caroline Maryan thaum lub Plaub Hlis 27, 2016 thaum 10:10 teev sawv ntxov

    Kab lus no yog kev soj ntsuam xyuas lub ntsiab. Ib qho ntawm thawj yam uas kuv qhia kuv cov tub ntxhais kawm duab thaij duab yog xaiv qhov koj lub siab xav! Cov lus piv txwv nyob hauv koj tsab xov xwm yog cov piv txwv zoo heev ntawm qhov yooj yim nws yooj yim los txhim kho daim duab tsuas yog nkag siab. Kuv twb qhia qhov no rau kuv FB page! Ua tsaug !!!

  2. Beth Herzhaft nyob rau lub Plaub Hlis 27, 2016 ntawm 1: 48 pm

    AI-servo ua rau kuv tsis meej pem. Kuv paub tias kuv tsuas siv qhov feem me me ntawm lub sijhawm xwb tab sis kuv tseem tsis tau paub meej tias yuav siv nws li cas. Puas yog qhov kev kawm yuav tsum nyob hauv qhov chaw nruab nrab ntawm tus ncej thaum koj siv hom no? (Piv txwv tias koj lub ntsiab lus tseem ceeb yog nyob hauv qhov chaw). Ib qho ntxiv, koj puas tsuas xav siv qhov no thaum ib lub ncauj lus tab tom txav mus los yog mus deb ntawm koj, es tsis sab rau sab?

  3. zoo tshaj plaws candid tshoob kos duab Kolkata thaum Lub Peb Hlis 6, 2017 ntawm 11: 31 sawv ntxov

    Daim Ntawv Hnub 1 Kuv tabtom ntsib qhov teebmeem no hauv kev tsom xam cov khoom thiab nws yog ib qho zoo tshaj plaws hais txog qhov kev kub ntawd ze tshaj plaws !!

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