Uhlobo luni lwesibuko ikhamera yokugada, futhi siyini isimiso?

Uhlobo luni lwesibuko ikhamera yokugada, futhi

siyini isimiso?

Ikhamera yokugada ilingana nelensi eyi-convex.

Ngenxa yokuthi ikhamera yayo yakhiwe iqoqo lamalensi, umsebenzi wayo uyafana nowe-convex lens, okuwukuvumela izinto ezikude (ezidlula izikhathi ezi-2 kobude obugxilwe kuzo) ukuthi zithwetshulwe inzwa ngemva kokudlula ilensi (ukunciphisa). isithombe sangempela esihlanekezelwe).

Umgomo wokusebenza kwekhamera ucishe ube ngale ndlela elandelayo: isithombe se-optical esikhiqizwe indawo nge-lens (LENS) sivezwa phezu kwenzwa yesithombe, bese siguqulwa sibe isignali kagesi, eguqulwa ibe isignali yesithombe sedijithali. ngemva kwe-A/D (ukuguqulwa kwe-analog-to-digital), bese ithunyelwa kusignali yedijithali.Icutshungulwa kucwecwe lokucubungula isignali (DSP), bese idluliselwa kukhompuyutha ukuze icutshungulwe ngesixhumi esibonakalayo se-USB, futhi isithombe singabonakala ngemonitha.

Ulwazi olunwetshiwe:

Isicelo

iso lomuntu

Ingabe isithombe esakhiwe amehlo omuntu singokoqobo noma singokoqobo?Siyazi ukuthi ukwakheka kweso lomuntu lilingana nelensi eyi-convex, ngakho isithombe sezinto ezingaphandle ku-retina kufanele sibe isithombe sangempela.Ngokomthetho we-empirical ongenhla, isithombe esiku-retina sibonakala sihlanekezelwe.

Ingabe noma iyiphi into esivame ukuyibona, ngokusobala iqondile?Lokhu kungqubuzana nolwazi kanye nemithetho empeleni kuhilela ukulungiswa komsebenzi we-cerebral cortex kanye nomthelela wesipiliyoni sempilo.Ngenxa yephutha elibonakalayo, iso lomuntu likholelwa ukuthi ukukhanya kukhishwa into futhi kuqondiswe esweni lomuntu.

Uma ibanga eliphakathi kwento nelensi eyi-convex likhulu kunobude bokugxila belensi, into yakha isithombe esihlanekezelwe.Lapho into isondela ku-lens ikude, isithombe siba sikhulu kancane kancane, futhi ibanga elisuka esithombeni liya ku-lens nalo liyakhula kancane kancane.

Lapho ibanga eliphakathi kwento nelensi lincane kunobude bokugxilile, into iba isithombe esikhulisiwe, okungesona iphoyinti lokuguqulela lemisebe yangempela ehlahliwe, kodwa indawo yokuphambana yemigqa yayo yokuhlehla yokunwetshwa, engeke yamukelwe isikrini esikhanyayo futhi siyisithombe esibonakalayo.Ukuqhathaniswa kwesithombe esibonakalayo esakhiwe isibuko sendiza (akunakwamukelwa isikrini esikhanyayo, kungabonwa ngamehlo kuphela).

Ikhamera

I-lens yekhamera iyilensi eyi-convex, indawo okufanele ithathwe isithombe yinto, futhi ifilimu isikrini.Ukukhanya okukhanyiswe entweni kuyasatshalaliswa futhi kuboniswe ngelensi eyi-convex ukuze kwakheke umfanekiso wento ekwifilimu yokugcina;ifilimu imbozwe ungqimba lwento engezwani nokukhanya, ebhekana nezinguquko zamakhemikhali ngemva kokuchayeka, futhi isithombe sento siqoshwe efilimini.

Ubudlelwano obuphakathi kwebanga lento nebanga lesithombe bufana ncamashi nobukalensi ye-convex.Lapho into iseduze, isithombe siya ngokuya siqhela, sikhulu futhi sikhulu, futhi ekugcineni sibe isithombe esibonakalayo ohlangothini olufanayo.Lapho ibanga lezinto landa, ibanga lesithombe liyancipha, futhi isithombe siba sincane;lapho ibanga lezinto lincipha, ibanga lesithombe liyakhula, futhi isithombe siba sikhulu.Ngesinye isikhathi ubude bokugxila buhlukaniswa ngokubonakalayo nokwangempela, futhi izikhathi ezimbili ubude bokugxila buhlukaniswa ngosayizi.

okunye

Ama-convex lens asetshenziswa kuma-projektha, ama-slide projektha, ama-projektha, izibuko zokukhulisa, izibani zokusesha, amakhamera namakhamera.Amalensi eConvex aphelelisa izimpilo zethu futhi asetshenziswa ezimpilweni zethu ngaso sonke isikhathi.Izibuko ezibona kude zingamalensi ayi-convex, kanti izibuko ezibona eduze zingamalensi aqondile.

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