Indlela Yokukhetha Ilensi Yekhamera Yezimboni Efanele

Njengengxenye ebalulekile yesistimu yokubona komshini, amakhamera ezimboni avame ukufakwa emgqeni wokuhlanganisa umshini ukuze athathe indawo yeso lomuntu ukuze kulinganiswe futhi kwahlulelwe. Ngakho-ke, ukukhetha ilensi yekhamera efanelekile nakho kuyingxenye ebalulekile yomklamo wesistimu yokubona komshini.

Ngakho-ke, kufanele sikhethe kanjani i-ejenti efanelekileilensi yekhamera yezimboniYiziphi izinkinga okufanele zicatshangelwe lapho ukhetha ilensi yekhamera yezimboni? Ake sibheke ndawonye.

1.Izinto ezibalulekile okufanele uzicabangele lapho ukhetha amalensi ekhamera yezimboni

①Khetha ikhamera ye-CCD noma ye-CMOS ngokwezinhlelo zokusebenza ezahlukene

Amalensi ekhamera yezimboni ze-CCD asetshenziswa kakhulu ekukhipheni izithombe zezinto ezihambayo. Yiqiniso, ngokuthuthukiswa kobuchwepheshe be-CMOS, amakhamera ezimboni ze-CMOS asetshenziswa nasemishinini eminingi yokubeka ama-chip. Amakhamera ezimboni ze-CCD asetshenziswa kabanzi emkhakheni wokuhlola okuzenzakalelayo okubonakalayo. Amakhamera ezimboni ze-CMOS asetshenziswa kabanzi ngenxa yezindleko zawo eziphansi kanye nokusetshenziswa kwamandla okuphansi.

Amakhamera ezimboni asetshenziswa emigqeni yokukhiqiza

②Ukulungiswa kwamalensi ekhamera yezimboni

Okokuqala, isinqumo sikhethwa ngokucabangela ukunemba kwento ebonwayo noma elinganiswayo. Uma ukunemba kwephikseli yekhamera = insimu yokuqondisa okukodwa yosayizi wokubuka / isinqumo sekhamera sokuqondisa okukodwa, khona-ke isinqumo sekhamera sokuqondisa okukodwa = insimu yokuqondisa okukodwa yosayizi wokubuka / ukunemba kwethiyori.

Uma insimu eyodwa yokubuka ingu-5mm kanti ukunemba kwethiyori kungu-0.02mm, isinqumo sendlela eyodwa singu-5/0.02=250. Kodwa-ke, ukuze kwandiswe ukuzinza kwesistimu, akunakwenzeka ukuhambisana nenani lokunemba kokulinganisa/lokubuka ngeyunithi eyodwa yamaphikseli. Ngokuvamile, kungakhethwa okungaphezu kuka-4, ngakho-ke ikhamera idinga isinqumo sendlela eyodwa samaphikseli ayi-1000 kanye nezigidi ezingu-1.3.

Okwesibili, uma ucabangela umphumela wamakhamera ezimboni, ukubhekwa okuphezulu kuyasiza ekubukeni ukuma noma ekuhlaziyeni nasekuqapheleni isofthiwe yomshini. Uma kungukukhishwa kwe-VGA noma kwe-USB, kufanele kubhekwe kusikrini, ngakho-ke ukubhekwa kwesikrini kufanele kucatshangelwe. Kungakhathaliseki ukuthi ukubhekwa kobuchwepheshe bokubona kwezimboni kuphakeme kangakananiamalensi ekhamera yezimboni, ngeke kube nengqondo kangako uma isixazululo sesikrini singanele. Isixazululo esiphezulu samakhamera ezimboni siyasiza futhi uma usebenzisa amakhadi ememori noma uthatha izithombe.

③Uhlaka lwekhameraisilinganisoilensi yekhamera yezimboni

Uma into elinganiswayo ihamba, kufanele kukhethwe ilensi yekhamera yezimboni enesilinganiso sohlaka esiphezulu. Kodwa ngokuvamile, uma isinqumo siphezulu, isilinganiso sohlaka siphansi.

④Ukuqhathaniswa kwamalensi ezimboni

Usayizi we-chip yesensa kufanele ube mncane kunosayizi webhulasi noma ulingane nawo, futhi i-C noma i-CS mount nayo kufanele ifane.

2.Okunyecizincomo zecukuphoqarukukhanyaci-ameralama-en

①C-ukukhweza noma ukukhweza kwe-CS

Ibanga lesikhombimsebenzisi se-C-mount lingu-17.5mm, kanti ibanga lesikhombimsebenzisi se-CS-mount lingu-12.5mm. Ungagxila kuphela uma ukhetha isikhombimsebenzisi esifanele.

Umehluko phakathi kwezixhumi ezihlukene

②Usayizi wedivayisi ezwela ukukhanya

Ukuze uthole i-chip ezwela ukukhanya engu-2/3-intshi, kufanele ukhetheilensi yekhamera yezimbonilokho kuhambisana nekhoyili yesithombe. Uma ukhetha i-intshi engu-1/3 noma engu-1/2, kuzovela ikona elimnyama elikhulu.

③Khetha ubude bokugxila

Okusho ukuthi, khetha ilensi yezimboni enensimu yokubuka enkulu kancane kunobubanzi bokubuka.

④Ukujula kwensimu nendawo yokukhanyisa kufanele kufane

Ezindaweni ezinokukhanya okwanele noma ukukhanya okukhulu, ungakhetha imbobo encane ukuze wandise ukujula kwensimu ngaleyo ndlela uthuthukise ukucaca kokudubula; ezindaweni ezingenakukhanya okwanele, ungakhetha imbobo enkulu kancane, noma ukhethe i-chip ezwela ukukhanya enokuzwela okuphezulu.

Ngaphezu kwalokho, ukuze ukhethe ilensi yekhamera yezimboni efanele, udinga futhi ukunaka ezinye izitayela ezidumile. Isibonelo, izinzwa zesithombe zenze intuthuko enkulu eminyakeni yamuva, kanye nokuthambekela kwamaphikseli amaningi ukuthuthukisa ukulungiswa kwe-amalensi ekhamera yezimboni, kanye nokuzwela okuphezulu (izinzwa zesithombe ezikhanyiswe ngemuva). Ngaphezu kwalokho, ubuchwepheshe be-CCD sebusebenze kahle kakhulu futhi manje buhlanganyela imisebenzi eminingi nezinzwa zobuchwepheshe be-CMOS.

Imicabango Yokugcina:

UChuangAn wenze umklamo wokuqala kanye nokukhiqizwa kwamalensi ekhamera yezimboni, asetshenziswa kuzo zonke izici zezicelo zezimboni. Uma unesithakazelo noma unesidingo samalensi ekhamera yezimboni, sicela usithinte ngokushesha okukhulu.