2024 Tus sau: Elizabeth Oswald | [email protected]. Kawg hloov kho: 2024-01-13 00:07
A qis aperture txhais tau tias lub teeb ntau nkag rau hauv lub koob yees duab, uas yog qhov zoo dua rau cov xwm txheej qis. Ntxiv rau, qis apertures tsim qhov tob zoo ntawm daim teb, ua rau tom qab qhov muag plooj. Koj xav siv lub aperture qis thaum koj xav tau kev txhaj tshuaj ntau dua.
Puas yog 1.8 lossis 2.2 aperture zoo dua?
A 50 mm f/1.8 lens muaj aperture txoj kab uas hla ntawm 50/1.8=27.78 mm txoj kab uas hla. f/2.2 yog qhov zoo dua lub lens zoo dua(tsawg aberrations, aperture dav yuav nyuaj), thiab me dua, sib dua, thiab kim dua, tab sis f/1.8 qhib dav kom pom ntau lub teeb hauv qhov tsaus ntuj.
Aperture twg yog qhov zoo tshaj?
Lub aperture tshaj plaws ntawm koj lub lens, lub npe hu ua qhov chaw qab zib, nyob ob mus rau peb f / nres los ntawm qhov dav tshaj plaws. Yog li ntawd, lub sharpest aperture ntawm kuv 16-35mm f/4 yog nyob nruab nrab ntawm f/8 thiab f/11. Lub lens nrawm dua, xws li 14-24mm f/2.8, muaj qhov qab zib ntawm f/5.6 thiab f/8.
Puas siab lossis qis aperture zoo dua?
The qis f-stops (tseem hu ua low apertures) cia lub teeb ntau rau hauv lub koob yees duab. Siab dua f-stops (tseem hu ua siab apertures) cia lub teeb tsawg rau hauv lub koob yees duab. … Thiab aperture tsis yog cuam tshuam lub teeb xwb - nws kuj cuam tshuam qhov tob ntawm qhov chaw. Qhov qis ntawm f-stop, qhov tob ntawm thaj teb tsawg dua thiab qhov muag plooj tom qab.
Aperture yuav tsum tau teeb tsa li cas?
Tau koj lub koob yees duab thiab teeb tsa koj lub koob yees duab hom rau "Aperture Priority". Teem koj lub lens aperture ntawm koj lub koob yees duab mus rau qhovTus lej qis tshaj plaws ntawm lub lens yuav tso cai, xws li f / 1.4 yogkoj muaj lub lens nrawm lossis f / 3.5 ntawm lub lo ntsiab muag qeeb. Teem koj ISO rau 200 thiab xyuas kom meej tias "Auto ISO" raug muab tua.
Pom zoo:
Yuav tsum elasticity ntawm kev thov siab lossis qis?
Ib qho kev thov elastic lossis elastic khoom yog ib qho uas elasticity yog ntau dua ib qho, qhia tau hais tias muaj kev cuam tshuam loj rau kev hloov pauv ntawm tus nqi. Elasticities uas tsawg dua ib qho qhia tau tias tsis tshua muaj kev teb rau tus nqi hloov pauv thiab sib haum rau qhov kev thov tsis muaj zog lossis cov khoom tsis muaj zog.
Yuav tsum squared siab lossis qis?
R-squared yuav tsum yog qhov tseeb ntawm qhov feem pua ntawm qhov sib txawv ntawm qhov sib txawv uas tus qauv piav qhia. Koj R 2 yuav tsum tsis txhob siab dua lossis qis dua tus nqi no. Tus nqi R-squared yog dab tsi? Hauv lwm qhov chaw, cov qauv rau kev nyeem ntawv R-Squared zoo tuaj yeem siab dua, xws li 0.
Vim li cas qis qis qis qis tv ma?
qis qis yog rated R rau lus, kev nruj kev tsiv, duab liab qab, thiab gore. Vim li cas thiaj pom TV-Ma? Ntshav, kev sib ntaus sib tua ua phem muaj kev txiav plaub hau, stabbing, maulings, thiab lwm yam xwm txheej phem. Riam phom muaj xws li axes, rakes, bludgeons, ropes, aub qus, thiab lwm yam.
Cov txiv hmab txiv ntoo yuav tsum siab lossis qis qis?
Cua ntws tsawg txhais tau tias cov av noo ntau dua. Qhov tseem ceeb, veggies nyiam cov av noo siab thiab txiv hmab txiv ntoo nyiam cov av qis. Cov nplooj ntsuab yuav zoo tshaj plaws nrog cov av noo ntau dua thiab qhov txias tshaj plaws. Yuav ua li cas cov av noo zoo rau txiv hmab txiv ntoo?
Yuav ua li cas qis qis yuav tsum dai chandelier hauv chav nyob?
Feem ntau, koj lub chandelier yuav tsum dai tsis qis dua 30 ntiv mus rau 36 ntiv tes saum koj lub rooj. Thaum cov kev cai no tuaj yeem khoov kom haum raws li kev sib tham ntawm chav tsev, qhov no yog qhov kev sim-thiab-qhov tseeb rau kev sib piv koj cov chandelier mus rau qhov chaw.
