2024 Tus sau: Sierra Becker | [email protected]. Kawg hloov kho: 2024-02-26 05:15
Lens alignment tuaj yeem tawg rau ntau yam laj thawj. Yuav ua li cas rau qhov no? Yuav ua li cas kuv thiaj li tau txais kuv cov duab rov qab mus rau lawv qhov qub sharpness thiab clarity?
Yam teeb meem
Ib qho ntawm feem ntau ua rau yog autofocus tsis zoo. Nws tuaj yeem yog qhov tshwm sim ntawm kev siv thev naus laus zis lossis siv sijhawm ntev, tab sis nws kuj tshwm sim ntawm cov khoom siv tshiab.
Lwm qhov laj thawj yog qhov ua haujlwm tsis zoo hauv autofocus ntawm lub lens nws tus kheej. Qhov no muaj nyob rau hauv ntau cov qauv, tshwj xeeb tshaj yog rau cov koob yees duab nrog lub zoom muaj nuj nqi. Ntxiv mus, kev ua txhaum cai yuav txawv ntawm qhov loj thiab me me focal lengths.
Yog vim li cas rau kev hloov kho lub lens:
- Kev ua haujlwm tsis raug ntawm lub Hoobkas tsis raug.
- Lens "blurring", nce qhov khoob thiab rov qab thaum siv mus ntev.
Nco ntsoov tias Canon lens alignment tsis tas yuav tsum tau ua. Qee lub sij hawm muaj "glitch" vim yog ib hom teeb pom kev zoo. Ntawd yog, autofocus mus rau hauv overshoot lossis shortfall. Ntau zaus, cov yam ntxwv zoo li no pom tau thaum lub teeb txuag hluav taws xob tau qhib.
Txhawm rau ntsuas qhov no, tso koj lub koob yees duab ntawm lub koob yees duab tripod, tom qab ntawd tsom ntawm tus pas ntsuas ntawm 45 degree kaum. Snapshotsyuav tsum tau ua nrog autofocus. Tsuas yog lub teeb txuag hluav taws xob yuav tsum tau qhib. Tom qab ntawd cia tsuas yog lub teeb incandescent muab illumination. Nrog rau qhov muaj feem ntau, koj yuav pom lub davhlau hauv cov duab nrog cov khoom siv txuag hluav taws xob.
Cov chaw pabcuam tau hais tias cov qauv niaj hnub no tsis tshua muaj kev cuam tshuam rau qhov tshwm sim no. Kev tawm tsam qhov tsis xws luag no tsis muaj txiaj ntsig thiab tsis muaj txiaj ntsig. Tsis tas li ntawd, nws feem ntau tsis tsim teeb meem tshwm sim thaum tua.
Yuav ua li cas kho lub lens kho kom zoo?
Txoj kev ntseeg siab tshaj plaws thiab raug yog hu rau lub chaw pabcuam tshwj xeeb. Ntxiv mus, ob qho tib si "carcass" thiab lub lens raug kho. Yog tias koj lub koob yees duab tseem nyob rau hauv warranty, cov txheej txheem no yuav tsis raug nqi rau koj. Yog tsis yog, koj yuav them tus nqi me me.
Feem ntau qhov kev tswj hwm no siv sijhawm ib lub lim tiam. Tab sis kev txhawb nqa nyiaj txiag rau cov tub ceev xwm tuaj yeem txi txiv. Nws yog qhov tseeb heev uas lawv tuaj yeem ua tau hauv ib hnub.
Qhov kev xaiv thib ob rau yuav ua li cas kho lub lens tuaj yeem ua tiav yog los ntawm kev kho qhov "carcass" chaw. Tab sis hauv qee lub koob yees duab tshiab, qhov kev xaiv no tsis muaj lawm. Muaj caij nyoog uas koj yuav hloov tau ib yam dab tsi. Tab sis ua qhov no hauv kev xyaum yog qhov nyuaj heev. Tsis txhob hais txog cov xwm txheej uas koj yuav tsum tau kho lub lens zoom uas muaj qhov sib txawv ntawm qhov teeb meem ntawm qhov sib txawv. Nyob rau hauv tas li ntawd, txoj kev no yuav tsis pab raws nraim.
Tab sis yog tias koj xav tau Sigma, Tamron lossis Tokina lens alignment, qhov no yogtxoj kev lees txais. Tom qab tag nrho, tsis muaj cov kws tshaj lij txawj ntse ua haujlwm nrog cov khoom siv hauv tebchaws Russia. Los yog lawv nrhiav nyuaj heev.
Tab sis nco ntsoov tias cov txheej txheem no yog siv zog ua haujlwm. Tsis tas li ntawd, autofocus feem ntau cuam tshuam los ntawm qhov kub thiab txias thiab hom phiaj. Nws tsis zoo li koj yuav tuaj yeem rov tsim kho qhov chaw kuaj mob uas nyob hauv qhov chaw pabcuam.
Tau kawg, koj tuaj yeem ua qhov teeb tsa koj tus kheej. Tab sis ua qhov no tsis pom zoo. Koj yuav ua rau cov cuab yeej puas ntau dua li teeb tsa ib yam dab tsi.
Pom zoo:
Yuav ua li cas thiaj so lub koob yees duab lens: cov cuab yeej, txoj hauv kev zoo, cov lus qhia thiab kev ua kom yuam kev
Plua plav txhua qhov chaw. Nws yog inevitable, thiab koj tsuas yog yuav tsum tau los mus rau lub fact tias nws tau txais ntawm lub lo ntsiab muag. Tau kawg, ntau lwm yam khoom, xws li cov ntiv tes, cov khoom seem, lossis lwm yam, tuaj yeem xaus rau txhua yam khoom siv. Nov yog qee cov lus qhia tseem ceeb uas yuav qhia koj yuav ua li cas ntxuav lub koob yees duab thiab yuav ua li cas so lub koob yees duab lens
Yuav npaj li cas rau kev yees duab hauv lub studio: cov tswv yim zoo tshaj plaws thiab cov lus pom zoo rau cov neeg siv khoom
Yuav ua li cas npaj rau kev yees duab hauv studio, txhua tus uas yuav mus ntes qee qhov xwm txheej tseem ceeb hauv lub neej lossis ua khoom plig romantic rau lawv tus ntsuj plig xav paub. Nyob rau tib lub sijhawm, ob peb tus neeg paub tias yuav luag ib nrab ntawm kev ua tiav yog nyob ntawm kev ua tib zoo npaj ua ntej. Yog li nws hloov tawm hais tias nyob rau hauv ntau txoj kev cov txiaj ntsig ntawm kev yees duab tua yuav tsis nyob ntawm tus kws yees duab, tab sis ntawm koj tus kheej. Tias yog vim li cas nws tseem ceeb heev uas yuav tsum tau nyeem cov lus no ua ntej, ua tib zoo ua raws li tag nrho cov lus qhia thiab cov lus pom zoo
Yuav ua li cas xaws carrot knot kom raug. Nws lub ntsiab zoo thiab qhov tsis zoo
Qhov mount no muaj zog heev thiab compact, cov pob caus yooj yim dhau los ntawm cov rings ntawm feeder thiab carp rods. Nws qhov tsis kam yog nce ntxiv vim qhov chaw thickened ntawm lub node. Yog vim li ntawd nws thiaj li nrov ntawm cov neeg nuv ntses. Txawm li cas los xij, nws yog ib qho tsim nyog yuav tsum nkag siab meej tias nws yog dab tsi thiab yuav ua li cas xaws ib lub carrot knot
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Nws yuav yog qhov yuam kev uas cov kws yees duab muab lub ntsej muag lub ntsej muag rau ntawm lawv lub lo ntsiab muag vim lawv xav ua kom lawv cov cuab yeej loj dua thiab zoo dua. Cov kws yees duab lawv tus kheej paub vim li cas thiaj xav tau lub hood. Nws yog ib tug phooj ywg ncaj ncees ntawm lawv cov kev yees duab prowess thiab ib tug selfless tiv thaiv ntawm lub lens nyob rau hauv cov xwm txheej txaus ntshai, txawm hais tias nws yog huab cua daj cua dub, kev sib tw tsheb loj lossis kev tawm tsam loj
Yuav ua li cas xaws ib lub qhov zoo nkauj thiab zoo
Yog tias lub qhov tshwm rau ntawm ib yam, koj tuaj yeem ua tau ntau txoj hauv kev: muab pov tseg, sim xaws nws los yog siv thaj chaw. Ntau cov kev daws teeb meem tsis zoo, nrog rau cov duab thiab cov lus qhia ntawm txhua txoj hauv kev los nkaum lub qhov, koj yuav kawm los ntawm kab lus no