2024 Tus sau: Elizabeth Oswald | [email protected]. Kawg hloov kho: 2024-01-13 00:07
Kev siv lub muaj zog zoo lo ntsiab muag ua los ntawm cov iav tawg qis zoo li cov iav iav txuas nrog lub iav tsis muaj zog siab zoo li iav iavtuaj yeem kho qhov chromatic aberration rau ob xim, Piv txwv li, liab thiab xiav.
Ib lub lens puas tuaj yeem tshem tawm chromatic aberration?
Lateral chromatic aberration yog txo mus rau ib co degree los ntawm kev sib txuas cov ntsiab lus sib txawv nrog cov refractive indexes sib txawv, tab sis optically hais lus, nws tsis tuaj yeem tshem tawm tag nrho.
Puas txhua lo ntsiab muag muaj chromatic aberration?
Nws khoov lub teeb, thiab zoo li daim duab peb sab zoo li prism ua nto moo los ntawm Pink Floyd, xim dhau los ntawm lub lens yog sib cais ntawm qhov sib txawv. … Qhov tseeb, lub ntsiab lus tseem ceeb yog txhua lo ntsiab muag raug kev txom nyem los ntawm chromatic aberration nyob rau hauv ib daim ntawv los yog lwm yam, txawm tus nqi.
Yuav ua li cas peb thiaj li txo tau chromatic aberration hauv lens?
Yuav ua li cas kom tsis txhob chromatic aberration?
- Siv Cov Lens Zoo. Thawj txoj hauv kev kom txo qis chromatic aberration yog yuav cov lo ntsiab muag zoo. …
- Tsis txhob muaj qhov sib txawv siab. Ua ntej tshaj plaws, koj tuaj yeem zam qhov xwm txheej uas ua rau muaj xim ntau xim. …
- Txhawb tus nqi Aperture. …
- Cia koj cov ntsiab lus ze rau qhov chaw.
Yuav ua li cas thiaj kho tau chromatic aberration?
Chromatic aberration tuaj yeem kho kwv yees li ntawm siv cov ntaub ntawv uas nthuav tawm ntxivdispersion , zoo li nyob rau hauv ib qho achromatic doublet thiab triplet 9,10, 11. Txawm li cas los xij, cov txheej txheem no yog cumbersome, vim cov ntaub ntawv sib npaug ntawm cov wavelengths uas cov chromatic aberrations raug txo kom tsawg 10, 11.
Pom zoo:
Rau lateral chromatic aberration?
Lateral Chromatic Aberration yog ua rau xim fringing. Nws tsuas yog pom ntawm ntug ntawm ib daim duab. Lateral chromatic aberration yog txo mus rau ib co degree los ntawm kev sib txuas cov ntsiab lus sib txawv nrog cov refractive indexes sib txawv, tab sis optically hais lus, nws tsis tuaj yeem tshem tawm tag nrho.
Qhov khoom nyob rau pem hauv ntej ntawm lub lens diverging nyob qhov twg?
Teb: Dav hlau daim iav Dav Hlau Daim iav Rau lub teeb rays tawm lub dav hlau daim iav, lub lub kaum sab xis ntawm kev xav sib npaug ntawm lub kaum sab xis ntawm qhov xwm txheej. … Daim duab tsim los ntawm daim iav dav hlau yog ib txwm virtual (lub ntsiab lus tias lub teeb rays tsis yog los ntawm daim duab), upright, thiab ntawm tib lub duab thiab loj npaum li cov khoom nws yog reflecting.
Yuav ua li cas txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau pom kev pom?
Txawm li cas los xij, corneal collagen cross-linking - cov txheej txheem qib siab tau pom zoo los ntawm US Food and Drug Administration (FDA) hauv xyoo 2016 - tuaj yeem txhim kho qhov pom kev hauv cov neeg mob txhua hnub nyoog. Corneal collagen cross-linking (CXL) tsis yog kho rau keratoconus, tab sis nws tuaj yeem pab tiv thaiv tus mob kom tsis txhob mob hnyav.
Vim li cas chromatic aberration hauv kev ua si?
Kev Ntxiv Chromatic Aberration yuav ua rau qhov kev ua si zoo li yog nws tau thaij nrog lub koob yees duab. Niaj hnub no cov neeg tsim khoom lossis cov tshaj tawm xav tau qee yam kev ua yeeb yaj kiab hauv lawv cov kev ua si, ua rau cov nqi tsim khoom zoo li siab dua qhov tseeb (Kuv tab tom saib koj, letterboxing) thiab muaj peev xwm ntxiv qhov hnyav ntxiv rau qee qhov scenes.
Formula rau chromatic aberration?
Kev lig kev cai, chromatic aberrations nyob rau hauv cheeb tsam pom spectral yog xam raws li kev ntsuas ntawm peb wavelengths: λ F =486.1 nm (xiav Fraunhofer F kab los ntawm hydrogen) λ D =589.2 nm (txiv kab ntxwv Fraunhofer D kab los ntawm sodium) λC =656.
