Tau Txais Lub Npe Soap Npuas Bokeh Lens rau Tsawg Tshaj $ 60: 3 Cov Kauj Ruam

2024 Tus sau: John Day | [email protected]. Kawg hloov kho: 2024-01-30 09:27

Yog tias koj tsis paub dab tsi yog "npuas bokeh", tom qab ntawd google rau "Meyer Gorlitz trioplan kuaj". Zoo siab? tam sim no tshawb nrhiav Ebay rau lub lens ntawd, kom pom tus nqi tam sim no. Tsis pheej yig (> $ 300), puas yog? tab sis nws muaj peev xwm ua rau koj kom tau txais cov txiaj ntsig yuav luag zoo ib yam, los ntawm kev sib sau ua ke tawm ntawm cov khoom txee ua ke, uas yuav xav tau tsawg dua teev thiab yuav raug nqi koj tsawg dua $ 60. Tsis muaj cov cuab yeej tshwj xeeb lossis kev paub yuav tsum tau, koj tsuas yog xav tau rab riam muaj txiaj ntsig, kub yaj cov kua nplaum phom, xaiv tau - pom qee yam (Dremel, hacksaw, saw siv, thiab lwm yam) thiab qee yam yooj yim uas tuaj yeem yuav los ntawm ebay.

Thov nco ntsoov. Lub lens no yog rau SLR/DSLR/Lub koob yees duab sib pauv tau, nws siv tsis tau ntawm lub xov tooj ntawm tes lossis lub koob yees duab ruaj khov, thov txim rau qhov ntawd.

Ua ntej koj mus txuas ntxiv, hauv qab no yog cov lus piav qhia me me, vim li cas lub lens no thiaj li txawv thiab yog vim li cas thiaj tau txais ib qho. Meyerl Gorlitz Trioplan lo ntsiab muag siv ib qho ntawm lub koob yees duab tsim ntxov tshaj plaws, yog li hu ua "Cooke Triplet", uas yog keeb kwm xyoo 19th thiab yog thawj qhov, uas tau kho rau feem ntau yam duab tsis zoo (hauv cov lus yooj yim, muab qhov tsim nyog txaus). Nyob rau niaj hnub no, qhov kev tsim qauv no tau hloov pauv los ntawm cov iav zoo dua, uas muab cov duab zoo dua qub. Tab sis hom tshwj xeeb ntawm lub lens no tseem nrov heev, vim nws tus nqi qis thiab tus nqi zoo/duab zoo piv. Nws tau siv dav hauv cov phiaj xwm ua yeeb yaj kiab thiab tsis paub txog SLR kev ua lag luam, txog thaum DSLR kev hloov pauv tau tshwm sim thiab xav paub thiab qhib siab tib neeg pib txhim kho txhua yam ntawm lo ntsiab muag rau hauv lawv lub koob yees duab. Lawv tau tshawb pom sai, tias Cooke Triplet lo ntsiab muag ua rau muaj qhov txaus nyiam, "xab npum npuas" zoo li plooj hauv qhov chaw tsom, yog li hu ua "bokeh". Qhov kev hloov pauv no tau dhau los ua neeg nyiam, tias Meyer Gorlitz rov qhib lawv txoj kab ntawm "Trioplan" lo ntsiab muag, tom qab 50 xyoo ntawm kev tsim khoom! Kuv tsuas yog xav sau tseg, txawm tias lub lens no muaj "khawv koob" bokeh, nws tseem xav tau kev paub tshwj xeeb thiab kev coj ua, nws tsis zoo li "tsuas yog teeb tsa thiab ua kom tiav" lub lens, thaum twg koj siv lub lens no, lossis thawj Meyer Gorlitz ntau lawm.

Yog tias koj nyiam qhov tshwm sim, tab sis tsis muaj sijhawm los cuam tshuam nrog kev hloov pauv, Kuv tau teev cov iav no ntawm ebay, hu rau kuv kom paub meej.

Kauj Ruam 1: Cov Khoom thiab Cov Cuab Yeej

Hauv qab no yog cov npe khoom koj yuav xav tau rau txoj haujlwm no. Kuv tab tom muab cov ntsiab lus, koj tuaj yeem pom lawv txhua tus ntawm Ebay, Amazon, Etsy lossis ntawm txhua lub khw muag khoom lag luam hauv internet. Cov no yog ntau heev, cov khoom pheej yig. Kuv tab tom hais cov ntsiab lus nrog BOLD ntawv, rau txhua hom

Cov ntaub ntawv:

1. M42 lens adapter rau koj lub koob yees duab system - yog tias koj lub koob yees duab yog Nikon, koj yuav xav tau M42 rau Nikon adapter, yog tias koj lub koob yees duab yog Sony E mount, koj yuav xav tau M42 rau NEX adapter thiab ntxiv rau. Tsuas yog ntaus rau tshawb "M42 koj lub koob yees duab lub npe" thiab nws yuav coj koj cov txiaj ntsig xav tau. Nyob ntawm lub koob yees duab system, cov hloov pauv no tau muag hauv $ 1- $ 6 tus nqi ntau. Keywords: "Sony E mount to M42 adapter", "Nikon to M42 adapter", "Canon to M42 adapter" thiab ntxiv rau.

2. M42 cov raj txuas ntxiv. Muag feem ntau yog cov khoom siv ntawm 3 raj, tus nqi hauv internet yog nyob ib puag ncig $ 3-4. Kuv qhia koj kom tau txais 2 cov khoom siv, yog tias koj npaj yuav nkag mus tob tob. Lo lus tseem ceeb: "M42 Macro txuas txuas"

3. M42 tsom mus rau helicoid. Muaj ntau hom muaj, tab sis feem ntau pheej yig thiab ib qho, zoo li 12-17mm yuav yog qhov yog. Tsis txhob yuav ib qho ntev dua, vim tias lawv kim heev thiab yuav tsis siv tau rau koj lub koob yees duab tshwj xeeb. Tus nqi yog nyob ntawm thaj tsam $ 16-20. Lo lus tseem ceeb: "M42 tsom mus rau helicoid"

4. M42 lub koob yees duab lub cev cap. Yuav ib lub yas, tsis xav tau hlau. $ 1-3. Lo lus tseem ceeb: "M42 lub koob yees duab lub cev"

5. Triplet Lens. Cov no muaj nyob ntawm ebay rau ~ 30 xa los ntawm yav dhau los lub tebchaws soviet thiab tuaj hauv qhov sib txawv focal ntev thiab lub cev hom. Lawv tuaj yeem pom siv "Triplet lens" lossis "T-3 lens" cov ntsiab lus. Qhov yooj yim tshaj plaws ntawm kev hloov pauv yog "T-3 lens" (siv lo lus tseem ceeb no rau kev tshawb nrhiav). Cov duab zoo tshaj plaws yog xa los ntawm "Triplet-5" (Siv lo lus tseem ceeb no rau kev tshawb nrhiav). Rau qhov kev hloov pauv tshwj xeeb no, Kuv yuav siv F2.8/78mm hauv cov yas ntim khoom (raws li feem ntau thiab pheej yig ib qho). Lwm hom kuj tseem siv tau, tab sis qee qhov yuav xav tau kev hloov pauv ntau dua, tsis muab rau hauv cov lus qhia no. Yog li koj xav tau dab tsi yog lub iav triplet hauv lub cev yas. Nws tuaj yeem yog 2.8/80, 2.8/75, 2.8/100, txhua yam yuav ua haujlwm. Thov xa mus rau daim duab txuas kom tau txais lub tswv yim zoo rau qhov koj xav tau. Lo lus tseem ceeb: "T-3 lens", "Triplet lens"

Cov Cuab Yeej:

1. Riam riam siv hluav taws xob. Txhua yam riam zoo yuav ua kom zoo xwb.

2. Kub yaj yaj phom nrog qee cov kua nplaum. Tsis tas li, txawm tias pheej yig tshaj ib qho yuav txaus rau peb txoj haujlwm.

Yeem cov cuab yeej:

Thaum cov no tsis tsim nyog, koj yuav xav tau lawv los txiav lub lens lub cev sib nrug, lossis tsuas yog ua kom qhov drilling yooj yim dua thiab sai dua.

1. Pom uas tuaj yeem txiav hla yas (dremel, hacksaw, bandsaw)

2. Kauj ruam laum me ntsis (thiab xyaum, tau kawg)

Kauj Ruam 2: Ua Lub Lens

Tom qab koj tau txais tag nrho cov khoom xav tau, muaj sijhawm los ua ke. Koj yuav tsum pib nrog koj lub lens, yog tias koj tuaj yeem tau txais nws raws li qhov xav tau (hauv daim ntawv ntawm cov hlau me me), tom qab ntawd koj tuaj yeem hla cov ntawv hauv qab no, yog tias tsis yog, thiab koj tau txais koj lub lens hauv lub thawv yas, koj yuav tsum tau coj mus lub hnab yas sib cais. Txhawm rau ua li ntawd, koj yuav tsum tau txiav nws los ntawm ob sab thiab tom qab ntawd ua tib zoo sib tsoo sib nrug nrog qee qhov muaj zog, tab sis tsis pom thiab cov hlau tiaj tus, xws li cov ntsia hlau.

Tom qab koj tau txais koj lub lens tsis pub dawb, koj yuav tsum ntxuav nws nrog riam lossis lwm yam cuab yeej, yog tias muaj cov kua nplaum nyob ntawm nws sab nraud, yog li nws yuav haum rau hauv lub hau yam tsis muaj teeb meem.

Tom ntej no, coj M42 lub hau thiab kos tus cim nyob hauv nruab nrab. Ntxig rab riam rab riam rau hauv qhov ntawd, nyem me ntsis thiab pib tig rab riam. Nws yuav pib txiav tawm lub qhov maj mam. Tsis txhob siv lub zog ntau dhau rau nws, thiab saib koj cov ntiv tes. Yog tias koj tau txiav cov hnab looj tes tiv taus, hnav lawv. Txheeb xyuas tias lub qhov taub sib haum rau lub lens kab taub, tsis txhob ua nws loj dhau, lossis koj yuav muaj teeb meem kho nws tom qab. Tsis tas li, sim ua kom lub qhov nyob nruab nrab kom ntau li ntau tau, vim tias yog tias koj txiav lub qhov tawm ntawm lub axis, koj lub lens yuav tso tawm qhov hloov pauv-tsom iav qhov cuam tshuam, tshwj xeeb ntawm kev cuam tshuam, uas yuav zoo rau kev sim, tab sis tsis zoo rau siv txhua hnub.

Ntxig lub lens tsom mus rau lub qhov ntawd kom txog thaum nws beveled ntug kov lub hau, thiab siv cov kua nplaum kub yaj, ruaj ntseg nws hauv lub hau los ntawm sab nraub qaum, raws li qhia hauv duab. Cia nws qhuav ob peb feeb.

Tom qab kev sib dhos lub lens tau lo, tam sim no nws yog lub sijhawm los sib sau ua ke txhua yam ua ke. Ntsia lub lens sib dhos rau hauv tsom helicoid, thiab ntsia hlau helicoid rau hauv ib qho ntawm cov raj txuas ntxiv. Lub raj twg (s) siv, nws nyob ntawm koj lub koob yees duab system. Txhawm rau txheeb xyuas qhov twg koj xav tau, pib nrog ib ntawm lawv, sim kho kom pom tseeb los ntawm kev tig tsom mus rau helicoid thiab txheeb xyuas qhov tshwm sim. Yog tias koj tuaj yeem tsom mus rau cov ntsiab lus ze, tab sis tsis yog nyob deb, koj yuav tsum siv lub raj txuas luv. Yog tias koj tuaj yeem tsom mus rau cov khoom nyob deb xwb, tab sis tsis tuaj yeem ua qhov ze, koj yuav tsum siv lub raj ntev (lossis txawm tias ob peb ntawm lawv). Piv txwv li, rau Sony A lub koob yees duab mount, koj yuav xav tau ib qho, lub raj ntev tshaj plaws los siv. Rau Nikon, koj yuav tsum tau siv lub raj ntev txuas ntxiv, thiab rau Sony E mount, koj yuav tsum siv tag nrho 3 ntawm lawv ua ke. Tsuas yog nco ntsoov, ntsia lub lens rau hauv helicoid, thiab ntxiv cov raj ntawm helicoid thiab M42 rau lub koob yees duab mount adapter. Yog tias koj cuam tshuam nrog qhov kev txiav txim, koj yuav tau txais vignetting (cov ces kaum tsaus) lossis lwm yam teeb meem.

Kauj ruam 3: Txaus siab rau Koj Tsim! (thiab Qee Cov Lus Qhia Ib Yam nkaus)

Hauv qab no yog qee cov duab uas kuv tau coj nrog lub lens hloov pauv hauv phau ntawv qhia raws li tau piav qhia. Txhua daim duab tau siv lub koob yees duab Sony NEX-5N. Crystal kaw-tau raug siv siv ob txheej ntawm cov txuas txuas txuas txuas ntxiv, yog li koj pom tam sim no, vim li cas kuv thiaj qhia koj kom tau txais 2 cov khoom siv ntawm lawv, yog tias koj npaj yuav tua cov duab. Kuv kuj yuav tsum hais tias, lub lens no yog qhov kev xaiv zoo raws li lub lens duab Raws li koj tuaj yeem pom, kuv tsuas yog tswj kom tau txais hom nto moo ntawm bokeh hauv ob peb zaug txhaj, tab sis, Kuv yog tus kws yees duab pib xyaum ua, yog li kuv paub thiab kev paub yog qhov tsawg heev, Kuv vam tias, koj yuav tau txais txiaj ntsig zoo dua!

Hloov kho: Tom qab ob peb hnub ntawm kev sim, kuv tau tsim phau ntawv qhia me me rau cov lens zoo li no, kom pom cov duab zoo.

Txhawm rau kom tau txais cov txiaj ntsig nto moo, koj xav tau kev npaj hauv qab no:

1. Cov keeb kwm yav dhau yuav tsum tau teeb pom kev zoo, thiab nyiam dua - muaj kev cuam tshuam zoo. Dub, npub tom qab yuav tsis ua haujlwm. Qee qhov khoom plig glittery qhwv daim ntawv yuav xa cov txiaj ntsig zoo tshaj plaws (zoo li kuv tau ua)

2. Txoj kab uas hla ntawm cov npuas nyob ntawm qhov deb ntawm keeb kwm yav dhau los rau cov ncauj lus thiab tus lej ntawm cov nplhaib sib txuas tau teeb tsa. Nyob rau hauv cov ntaub ntawv ntawm cov khoom macro, qhov zoo tshaj nrug yog kwv yees li 30cm (piv txwv 1, 2, 4, 14, 15). Luv luv mus rau keeb kwm yav dhau yuav txhais tau tias me me lossis yuav luag tsis muaj npuas (piv txwv 16, 17). Yog tias qhov deb ntawm qhov keeb kwm yav dhau los ntau dua 1 meter, cov nyhuv ua npuas yuav luag yuav ploj mus lossis hloov pauv me ntsis (kos cov qauv 3, 5, 6, 7, 8, 9, 10). Yog tias koj tsis siv cov ntiv nplhaib ntxiv, cov npuas yuav dhau tiaj (piv txwv 11, 12, 13).

Yog tias koj tsis xav cuam tshuam nrog kev hloov pauv thiab tsuas yog xav tau npaj siv lub lens, thov PM kuv, Kuv yuav pab.