2024 Tus sau: Beatrice Philips | [email protected]. Kawg hloov kho: 2023-12-16 05:41
Tus neeg tshiab hauv kev yees duab xav li cas thaum saib cov duab toj roob hauv pes ci thiab muaj zog? Yog lawm, feem ntau yuav yog, nws yuav hais ncaj qha - Photoshop. Thiab nws yuav tsis yog lawm. Ib tus kws tshaj lij yuav qhia rau nws - qhov no yog "polarik" (polarizing lim rau lub lens).
Nws yog dab tsi thiab nws yog dab tsi rau?
Lub lens lim polarizing yog qhov yuav tsum muaj rau txhua tus kws yees duab. Raws li cov kws tshaj lij hais, qhov no yog lim uas Photoshop tsis tuaj yeem theej tawm . Lub zog nqus ntawm lub lim muab cov kws yees duab txhaj tshuaj uas tsis tuaj yeem tau txais hauv cov duab nraaj rau ntau teev ntawm kev ua haujlwm hnyav. Tsuas yog lub teeb lim tuaj yeem nthuav qhia cov yam ntxwv zoo li: xim xim, tshem tawm qhov ci, pob tshab ntawm qhov cuam tshuam saum npoo, sib piv.
Cov lus zais ntawm thaj chaw zoo nkauj yog tias lub lim dej ntxais lub teeb pom kev zoo los ntawm iav, dej, cov dej noo hauv cov huab cua . Tsuas yog qhov uas "polarik" tsis tuaj yeem tiv nrog yog qhov xav tau los ntawm cov hlau. Kev zoo nkauj ntawm cov duab uas ntuj muaj nplua nuj, xim tob yog nws qhov txiaj ntsig. Cov lim dej tso tawm qhov chaw rau xim, ntxiv qhov muaj zog thiab nyiam rau koj cov duab. Cov duab ua kom sov dua.
Tab sis peb yuav tsum nco ntsoov txog lub teeb pom kev muaj peev xwm - ntau dua nws yog, ntau qhov ntau thiab ntau yam khoom sib piv. Cov nyhuv txo qis hauv cov nag, huab cua.
Cov lim tib yam yuav qhia dab tsi tom qab lub rooj nthuav qhia, thiab txhua yam yuav pom los ntawm iav. Lub teeb lim tau daws qhov teeb meem ntawm qhov ntub dej, dej, huab cua. Cov duab zoo nkauj ntawm lub pas dej xiav pob tshab nrog cov ntsiab lus me tshaj plaws hauv qab yog siv lub teeb lim . Lawv yog qhov tsis tseem ceeb thaum tua lub hiav txwv lossis pas dej. Raws li cov txiaj ntsig zoo, cov lim polarizing ntxiv qhov sib txawv los ntawm kev tshem qhov ci los ntawm huab cua ntub. Tab sis nws yuav tsum tau nco ntsoov tias lub lim dej zoo nyob hauv huab cua tshav ntuj. Hauv lub teeb qis, koj tuaj yeem tau txais daim duab uas tsis zoo, tsis muaj kev hais tawm, tsis meej pem.
Hmoov tsis zoo, polarizing lim dej tsis haum rau lub lens dav dav yog tias lub focal ntev tsawg dua 200 hli . Hauv kev txhaj tshuaj panoramic, nws lub peev xwm feem ntau yuav ua rau daim duab puas. Lub ntuj tuaj yeem dhau los ua qhov tsis sib xws vim muaj kev tiv thaiv dav - qib ntawm polarization tsis sib xws ntawm ntug ntawm daim duab thiab nyob hauv nruab nrab.
Yuav xaiv li cas?
Polarizing lim yog ob hom:
- tawm, lawv pheej yig dua, tab sis yuav luag tsis tau siv, txij li lawv tau siv rau lub koob yees duab zaj duab xis;
- ncig, suav nrog ob ntu - tsau, uas tau teeb tsa ntawm lub lens, thiab pub dawb, tig kom tau txais cov txiaj ntsig xav tau.
Lub teeb lim nrog polarizing zog yog cov kim tshaj plaws. Tab sis tsis txhob txuag nyiaj thaum lub sijhawm yuav khoom. Feem ntau cov pheej yig pheej yig ua haujlwm tsis zoo. Ib qho ntxiv, muaj ntau tus qauv hauv khw muag khoom tshwj xeeb uas tus neeg yuav khoom qee zaum dhau los ua pob, tsis paub xaiv qhov twg.
Cov lim dej ntawm "B + W" tuam txhab, lawv cov yam ntxwv tseem ceeb:
- zoo heev, tab sis tsis muaj kev hloov pauv tshiab;
- zaj duab xis tshwj xeeb rau kev tsim xim tseeb;
- thav duab nyias, tsaus zaj duab xis tshwj xeeb, txheej tiv thaiv;
- B + W - qauv nrog lub npe Nano.
B + W tam sim no yog ib feem ntawm Schneider Kreuznach. Cov khoom lag luam yog ua los ntawm tooj dag thiab zoo, tsim hauv Tebchaws Yelemees. Raws li qhov ntsuas, qhov no yog kev nkag siab ntawm qib Zeiss optics. Lub tuam txhab tseem niaj hnub ua haujlwm txhim kho cov khoom lag luam, siv optics los ntawm lub tuam txhab Schott.
Carl Zeiss polarizers - ntu hwm no tau tsim tawm hauv Nyij Pooj.
Cov yam ntxwv ntawm Hoya pob peev txheej ntawm lub teeb lim:
- pheej yig series nrog "tsaus" zaj duab xis tshwj xeeb;
- sib txuas lub lim UV nrog lub polarizer.
Hoya Multi -Coated - me ntsis kim dua, tab sis muaj kev tsis txaus siab txog kev txhim kho iav. Cov nyiam ntawm cov polarizers yog B + W nrog Nano qeb; Hoya HD Nano, Marumi Super DHG.
Yuav siv li cas?
- Rau kev tua rainbows, hnub tuaj thiab hnub poob toj roob hauv pes.
- Hauv huab cua huab, koj tuaj yeem yees duab kaw qhov chaw nrog qhov chaw txwv, nyob rau hauv rooj plaub twg tus polarizer yuav ntxiv qhov ua kom txaus rau daim duab.
- Yog tias koj xav tau cov duab ntawm dab tsi hauv qab dej, lub lim dej yuav tshem tawm txhua qhov cuam tshuam.
- Txhawm rau txhim kho qhov sib piv, koj tuaj yeem muab ob lub lim dej - Gradient Neutral thiab Polarizing. Kev ua haujlwm ib txhij ua rau qhov tseeb tias cov lim dej gradient yuav ua kom pom kev zoo ib yam thoob plaws thaj tsam, thiab cov lim polarizing yuav tshem qhov ci thiab ci.
Kev sib xyaw ua ke ntawm ob lub lim dej no tso cai rau koj tua nrog kev nthuav tawm ntev thiab ntes qhov txav ntawm qhov - nyom hauv huab cua cua, huab, maj mam ntws dej. Koj tuaj yeem tau txais cov txiaj ntsig zoo nrog qhov no.
Pom zoo:
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