Macro Lo Ntsiab Muag: Vim Li Cas Koj Thiaj Xav Tau Lub Lens Loj? Qhov Zoo Tshaj Plaws Lo Ntsiab Muag Rau Kev Yees Duab Macro. Yuav Xaiv Lawv Li Cas Thiab Lawv Txawv Li Cas Ntawm Co

2024 Tus sau: Beatrice Philips | [email protected]. Kawg hloov kho: 2023-12-16 05:41

Muaj qhov xaiv loj ntawm lo ntsiab muag uas siv rau kev yees duab thiab yees duab tua. Ib tus neeg sawv cev zoo yog lub lens loj, uas muaj tus lej zoo thiab qhov zoo. Xws li kev kho qhov muag tau siv los ntawm amateurs ntawm kev yees duab. Muaj ntau txoj cai uas yuav pab koj xaiv lub lens zoo tshaj plaws rau kev yees duab macro thiab tsim cov duab zoo tshaj plaws.

Nws yog dab tsi thiab nws yog dab tsi rau?

Nov yog lub cuab yeej kho qhov muag tshwj xeeb uas pab tua cov ntsiab lus me me, tsom mus rau cov khoom uas nyob ze. Muaj ntau ntau yam ntawm cov iav tsom iav uas tuaj hauv qhov sib txawv sib txawv, uas yog qhov tseem ceeb heev thaum nrhiav cov cuab yeej zoo li no . Cov yam ntxwv uas piav qhia qhov zoo rau kev yees duab macro yog nws lub dav hlau, vim tias cov duab hauv kab yuav tsis cuam tshuam. Thaum tua ntawm thaj tsam ze, cov ntsiab lus sib txawv ntawm qhov lawv tiag tiag.

Ib qho tseem ceeb ntsuas rau kev yees duab macro yog qhov tsom mus rau yam tsawg kawg nkaus . Qee lub lens muaj peev xwm tsom mus txog 20 cm ntawm qhov nrug deb ntawm 60 hli. Nws tsis yog qhov deb ntawm qhov khoom los ntawm lub lens pem hauv ntej uas yuav tsum tau coj mus rau hauv tus account, tab sis nws qhov deb ntawm lub dav hlau focal.

Qhov no yog qhov txiav txim siab qhov uas yuav pab koj xaiv qhov kev pom zoo kom tau txais cov txiaj ntsig xav tau thaum tua.

Cov cuab yeej zoo li no feem ntau siv rau kev thaij duab me me, thaij duab noog, npauj npaim thiab lwm yam tsiaj muaj sia. Lub lens loj tuaj yeem yog kev daws teeb meem zoo rau kev thaij duab . Yog li ntawd, xaiv qhov raug ntawm lub cuab yeej tshwj xeeb. Qhov ze-tau pom meej meej, uas yog yam koj xav tau rau kev ua yeeb yaj kiab ntawm qhov xwm txheej no. Cov cuab yeej zoo li no tuaj yeem hloov kho kom pom tseeb, yog li lawv tau siv los tsim cov duab tshaj tawm.

Muaj lwm qhov kev thov rau cov cuab yeej no . Kev tua qhov tsis zoo thiab swb kuj tseem yuav tsum siv lub lens loj. Qhov no yog txheej txheem nyuaj uas cov kws yees duab tshaj lij thiab cov kws tshaj lij siv rau.

Lawv txawv li cas ntawm cov tsom iav?

Qhov sib txawv ntawm lub lens pom thiab lub lens loj yog qhov tom kawg muaj peev xwm tsom mus rau qhov deb tsawg kawg nkaus uas tuaj yeem ncav cuag li ob peb centimeters. Nyob qhov twg xws li kev kho qhov muag tuaj yeem muab kev nthuav dav, nrog nws nws yog qhov yooj yim kom txav mus ze rau qhov khoom me me, kom nthuav tawm hauv daim duab tag nrho nws cov ntsiab lus thiab qhov txawv … Lwm qhov sib txawv yog kev tshem tawm ntawm qhov tsis sib xws thaum tua thiab kev tsim kho qhov muag inverted.

Close-up ntawm xws li lub lens yog qhov pom tseeb heev. Nrog kev pab ntawm lub cuab yeej, koj tuaj yeem pom dab tsi nyuaj rau pom nrog lub qhov muag liab qab.

Hom kev txheeb xyuas

Luv pov

Cov lo ntsiab muag no muaj kab duab kab pheeb ces kaum uas tsis pub tshaj 60 hli. Raws li qhov kev tsom me me tshaj plaws, nws yog 17-19 hli los ntawm qhov chaw kho qhov muag mus rau qhov khoom. Qhov kev xaiv lub lens no zoo dua rau kev thaij duab zoo li qub, qhov twg tsis muaj kev txav mus los . Tseem tuaj yeem siv los tsim cov duab.

Ua kom pom tseeb ntev

Lub lens loj ntawm hom no muaj lub thav duab ntev dua - ntawm 100 txog 180 hli. Ua tsaug rau qhov kev pom zoo no, koj tuaj yeem tau txais 1: 1 daim duab twb nyob deb ntawm 30-40 cm. Cov cuab yeej siv rau kev ua yeeb yaj kiab los ntawm qhov deb, piv txwv li, ntawm kev tua duab . Nrog lub kab pheeb ces kaum me dua, lub lens haum rau kev yees duab ntawm cov ntoo thiab tsiaj.

Txhawm rau kawm qhov xwm txheej, nws yog qhov zoo tshaj los siv cov tsom iav ntev, lawv muaj peev xwm tua txawm tias txav cov khoom.

Sab saum toj hom

Yog tias koj xav tua qhov ze, koj yuav tsum tshawb fawb cov tuam txhab tsim khoom uas tsim cov qib siab kawg rau kev ua yeeb yaj kiab. Muaj ntau hom khoom lag luam hauv khw, txhua tus tuaj yeem muab kev ua tau zoo tshaj plaws thiab cov txiaj ntsig sib txawv.

Tus neeg sawv cev tsim nyog ntawm lub lens tsom iav yog Tamron SP 90mm F / 2.8 DI VC USD Macro , uas yog los ntawm ntu ntawm cov kev coj ua zoo heev. Qhov zoo tshaj focal ntev - 90 hli, qhov dav qhov dav. Thaum ua yeeb yaj kiab, feem ntau nws yuav tsum tau npog lub diaphragm, hauv cov qauv no nws muaj cuaj hniav. Lub lens muaj qhov ruaj khov, ua haujlwm ntsiag to, yog li nws tso cai rau koj ua kom zoo dua tus kws yees duab ua haujlwm.

Nws yuav tsum tau sau tseg tias lub cev yog ua los ntawm yas, uas tiv thaiv kev ya raws thiab hmoov av. Cov khoom siv no ua rau qhov hnyav ntawm qhov kho qhov muag, ntxiv rau, tus nqi pheej yig rau txhua tus. Yog tias koj npaj tua cov kab uas yooj yim kom ntshai, koj tuaj yeem xaiv tus qauv no yam xyuam xim.

Sigma 105mm F / 2.8 EX DG HSM Macro yog ib tus neeg sawv cev Nyij Pooj ntawm macro optics. Cov khoom no yog qhov xav tau zoo, thiab tau ua tiav txoj cai kom raug hu ua ib qho zoo tshaj plaws. Qhov ntsuas focal ntev tau teev tseg hauv lub npe nws tus kheej. Hauv kev xyaum, nws tau ua pov thawj tias lub lens tso cai rau koj kom tau txais qhov ntse txaus. Ua tsaug rau cov ntsiab lus sib faib qis, kev hloov pauv yuav tsis cuam tshuam rau tus ncej.

Lub lens muaj lub cev muaj zog ultrasonic nrog rau kev ruaj khov.

Nrog rau qhov kev ntaus nqi thiab Canon EF 100mm F / 2.8L Macro YOG USM … Nov yog thaj tsam kev nyiam nyob deb rau hom kev tshawb fawb no. Lub qhov dav dav, kev ruaj ntseg zoo thiab tsom mus rau ultrasonic tso cai rau koj ua yam koj nyiam ntawm qib siab tshaj plaws. Cov khoom siv no tau tiv thaiv los ntawm ya raws thiab hmoov av, kev puas tsuaj ntawm cov khoom siv. Muaj lub nplhaib liab muaj npe ntawm rooj plaub, uas lees paub tias lub cuab yeej yog tus kws tshaj lij ntawm cov khoom lag luam. Nws los nrog qhov sib xyaw ua kom ruaj khov thiab plaub-nres raug uas yuav haum rau txawm tias pib tshiab.

Txawm tias nws lub cev khov kho, lub lens nws tus kheej yog lub teeb txaus.

Nws tsis yooj yim rau npe Nikon AF-S 105m F / 2.8G VR IF-ED Micro … Optics yog qhov zoo rau kev yees duab macro. Tus qauv yog nruab nrog iav qis-dispersion, ultrasonic autofocus lub cev, kev txo qis kev siv tshuab tau siv hauv kev tsim khoom. AF-S DX 40mm F / 2.8G Micro tau txiav txim siab los ua tus sawv cev tseem ceeb ntawm hom khoom lag luam lo ntsiab muag, uas sawv nrog cov lej txawv. Focal ntev tsis yog tus qauv, ze rau hom dav. Qhov hnyav yog peb zaug tsawg dua li cov neeg sib tw.

Samyang Tuam Txhab tsis tau sawv ib sab, sawv tawm ntawm qhov khoom 100mm F / 2.8 ED UMC Macro lens … Cov chaw tsim khoom tsim cov ntawv kho qhov muag, coj mus rau hauv tus account tag nrho cov qauv thiab kev xav tau. Cov cuab yeej tsis muaj kev siv tshuab, tab sis qhov no tsis txwv cov kws yees duab tshaj lij. Phau ntawv tsom mus rau qee qhov zoo dua, raws li koj tuaj yeem kho tus ncej koj tus kheej. Kev txav ntawm lub nplhaib kom tus kws tshaj lij ua haujlwm ntsiag to.

Lub aperture kuj tau teeb tsa tus kheej, cov yam ntxwv no tau cuam tshuam qhov muaj ntawm cov cuab yeej no.

Yuav xaiv li cas?

Txhawm rau nrhiav lub lens duab, koj yuav tsum tsim kom meej koj tus kheej lub hom phiaj, nkag siab tias hom kev tua twg koj nyiam. Koj tuaj yeem xaiv raws li cov chaw tsim khoom, tau ua tib zoo kawm cov yam ntxwv ntawm cov qauv kev nyiam. Qhov ntsuas tseem ceeb tshaj plaws rau kev ua haujlwm zoo yog qhov ntse thiab nthuav dav.

Nplai yog lub peev txheej tseem ceeb ntawm lub lens loj uas txawv nws los ntawm tus qauv lens . Feem ntau cov cuab yeej kho qhov muag tua 1: 1, hauv qee lub iav qhov sib piv no yog 1: 2. Yog tias koj npaj yuav tua cov khoom me me, qhov ntsuas yuav tsum loj. Hom kev tsom xam yog qhov tseem ceeb vim tias nws cuam tshuam qhov ntse. Cov kws yees duab tshaj lij nyiam siv hom phau ntawv los teeb tsa khoom ntawm lawv tus kheej. Yog tias koj xav tua cov duab thiab tseem kawm, koj tuaj yeem xaiv qhov kho qhov muag pom tseeb.

Txij li muaj ntau hom kev tsim kho lub lens, qhov ntsuas no tseem yuav tsum raug coj mus rau hauv tus account . Lub raj tso tawm tso cai rau koj nthuav dav thiab txo qhov nrug mus rau qhov khoom. Txawm li cas los xij, nws tuaj yeem ntshai los ntawm kab lossis noog koj tab tom ua yeeb yaj kiab. Yog li ntawd, nws yog qhov tsim nyog them sai sai rau qhov ua tau zoo ntawm qhov muag. Aperture cuam tshuam qhov tseeb ntawm autofocus hauv lub teeb qis, uas yog qhov tseem ceeb rau kev tsom mus rau phau ntawv.

Nws yog qhov tsim nyog los xaiv txhua lub lens tsom iav rau koj tus kheej thiab koj tus kheej txoj haujlwm, thaum tsis hnov qab txog cov xwm txheej uas yuav ua rau kev tua. Tag nrho cov kev ntsuas saum toj no yuav pab koj nrhiav chav tsev zoo tshaj plaws rau koj lub koob yees duab.

Nkag siab cov txheej txheem tua tso cai rau koj xaiv qhov kev xaiv qhov zoo tshaj plaws. Xws li kev tua yog nqa tawm ntawm qhov luv, yog li lub koob yees duab yuav tsum nyob ze rau cov ncauj lus kom ntau li ntau tau txhawm rau txhawm rau ntes nws kom tiav hauv tus ncej . Nws yog ib qho tseem ceeb kom ntseeg tau tias qhov tsom iav tsom mus rau, yog tias qhov no tsis tshwm sim, tom qab ntawd lub lens nyob ze dhau, yog li cia li txav lub koob yees duab mus deb thiab sim dua.

Cov khoom siv muaj txiaj ntsig zoo yog lub koob yees duab uas koj tuaj yeem txhim kho koj cov cuab yeej kom nws tseem nyob . Kev tsom xam qee zaum tsis tuaj yeem hloov kho vim tsis muaj lub teeb pom kev, yog li yog tua hauv tsev lossis hauv chav studio, nws tsim nyog txhim kho teeb pom kev zoo. Yog tias koj tab tom tua qhov xwm txheej, nws yog ib qho tseem ceeb uas yuav tau xaiv hnub tsis muaj cua hlob, vim tias cov nplooj thiab paj yuav ya mus. Kev tsom mus rau phau ntawv yuav pab koj tsom mus rau koj tus kheej, thiab nws tseem yuav tso cai rau koj kom kawm paub yuav ua tus ncej li cas.

Nws yog ib qho tseem ceeb kom nkag siab qhov ntawd Kev yees duab Macro feem ntau yuav tsum tau ua siab ntev thiab saib xyuas ntau … Tab sis yog tias koj muaj cov cuab yeej zoo hauv koj txhais tes thiab muaj txuj ci, koj tuaj yeem tau txais kev zoo siab los ntawm tus txheej txheem nws tus kheej, tsis hais txog qhov kawg.