Iyini I-Chief Ray Angle

I-lens chief ray angle i-engeli ephakathi kwe-optical axis kanye ne-lens chief ray. I-lens chief ray wumsebe odlula endaweni yokuvala indawo yesistimu yokubona kanye nomugqa ophakathi kwesikhungo somfundi wokungena kanye nendawo yento. Isizathu sokuba khona kwe-CRA ku-Inzwa Yesithombe ukuthi kukhona i-FOV (Inkundla yokubuka) ku-Mirco Lens ebusweni be-Inzwa Yesithombe, futhi inani le-CRA lincike enanini lephutha elivundlile phakathi kwe-Mirco Lens. Yenzwa Yesithombe kanye nendawo ye-silicon photodiode. Inhloso ukufanisa kangcono ilensi.

I-lens chief ray angle

Ukukhetha i-CRA efanayo ye-Lens&Image Sensor kungaqinisekisa ukuthwebula okunembe kakhudlwana kwama-photon kuma-silicon photodiode, ngaleyo ndlela kwehlise i-optical crosstalk.

Ezinzwa zesithombe ezinamaphikseli amancane, i-engeli ye-chief ray isiphenduke ipharamitha ebalulekile. Lokhu kungenxa yokuthi ukukhanya kufanele kudlule ekujuleni kwephikseli ukuze kufinyelele ku-silicon photodiode ezansi kwephikseli, okusiza ukukhulisa inani lokukhanya elingena ngqo ku-photodiode futhi kunciphise inani lokukhanya okungena ku-silicon. i-photodiode ye-pixel eseduze (Ukudala i-optical crosstalk).

Ngakho-ke, uma inzwa yesithombe ikhetha ilensi, ingacela umenzi wenzwa yesithombe nomkhiqizi wamalensi ijika le-CRA ukuze lifaniswe; ngokuvamile kunconywa ukuthi umehluko we-engeli ye-CRA phakathi kwenzwa Yesithombe kanye nelensi ulawulwe ngaphakathi kwamadigri angu-+/-3, vele, uma i-Pixel encane, iphakama imfuneko.

Imiphumela ye-lens ye-CRA ne-sensor CRA yokungafani:

Imiphumela engafani ku-crosstalk eholela ekungalinganini kombala kuso sonke isithombe, okuholela ekwehleni kwesilinganiso se-signal-to-noise (SNR); njengoba i-CCM idinga ukwanda kwenzuzo yedijithali ukunxephezela ukulahlekelwa kwesignali ku-photodiode.

Imithelela yelensi ye-CRA nenzwa ye-CRA yokungafani

Uma i-CRA ingahambisani, izodala izinkinga ezifana nezithombe ezifiphele, inkungu, umehluko ophansi, imibala efiphele, nokujula kwenkambu okuncishisiwe.

I-CRA yelensi incane kune-Inzwa yesithombe i-CRA ezokhiqiza ukufiphaza koMbala.

Uma inzwa yesithombe incane kune-CRA yelensi, ukufiphala kwelensi kuzokwenzeka.

Ngakho-ke kufanele siqale siqinisekise ukuthi ukufiphaliswa koMbala akuveli, ngoba ukufiphazwa kweLensi kulula ukukuxazulula ngokulungisa iphutha kunokufiphaza Umbala.

Inzwa yesithombe nelensi CRA

Kungabonakala esithombeni esingenhla ukuthi i-TTL yelensi iphinde ibe ukhiye wokunquma i-engeli ye-CRA. Lapho i-TTL iphansi, i-engeli ye-CRA inkulu. Ngakho-ke, inzwa yesithombe enamaphikseli amancane nayo ibaluleke kakhulu ekufanisweni kwelensi ye-CRA lapho iklama uhlelo lwekhamera.

Imvamisa, i-CRA yelensi ayifani ncamashi nenzwa ye-Image CRA ngezizathu ezahlukahlukene. Kuye kwaqashelwa ngokuhlolwa ukuthi amajika e-lens e-CRA anengaphezulu eliyisicaba (i-flip encane) ayakwazi ukubekezelela ukuhluka kokuhlanganiswa kwemojuli yekhamera kunama-CRA agobile.

I-CRA yelensi ayifani ncamashi nenzwa ye-Image CRA ngezizathu ezahlukahlukene

Izithombe ezingezansi zibonisa izibonelo zama-CRA aphezulu ayisicaba nama-CRA agobile.

Izibonelo zama-CRA aphezulu ayisicaba

Uma i-CRA yelensi ihluke kakhulu ku-CRA yenzwa yesithombe, ukwakheka kombala kuzovela njengoba kukhonjisiwe esithombeni esingezansi.

Umbala wombala uyavela