1.Ngaba i-lens ebanzi-engile ifanelekile kwimifanekiso?

Impendulo idla ngokuba nguhayi,iilensi ezibanziazifanelanga ukufotwa ngokubanzi. I-lens ebanzi-engile, njengoko igama libonisa, inommandla omkhulu wokujonga kwaye inokubandakanya indawo engaphezulu kwi-shot, kodwa iya kubangela ukuphazamiseka kunye nokuguqulwa kwabalinganiswa kumfanekiso.

Oko kukuthi, ukusebenzisa i-lens ebanzi ukudubula imifanekiso kunokuphazamisa iimpawu zobuso zabalinganiswa. Ngokomzekelo, imilinganiselo yentloko kunye nomzimba ibonakala ikhudlwana, kwaye imigca yobuso nayo iya kwandiswa kwaye igqwethwe. Olu ayilokhetho lufanelekileyo lokufota umfanekiso.

Ukuba ufuna ukuthatha imizobo, kuyacetyiswa ukuba usebenzise ubude obuphakathi obugxininisekileyo okanye ilensi ye-telephoto ukuze ufezekise isiphumo esiyinyani kunye nendalo esinemilinganiselo emithathu yomzobo. Ke, yintoni i-lens ebanzi-engile ilungele ukudubula?

A ilensi ebanzi-engileinobude obufutshane bokugxila, ngokuqhelekileyo phakathi kwe-10mm kunye ne-35mm. Indawo yayo yokujonga inkulu kunento ebonwa liliso lomntu. Ilungele ukudubula izigcawu ezixineneyo, umhlaba obanzi, kunye neefoto ezifuna ukugxininisa ubunzulu bebala kunye neziphumo zembono.

Umzobo wokudubula welensi ebanzi

Ngenxa yommandla wayo obanzi wokujonga, i-lens ebanzi-engile inokubamba izinto ezininzi, yenze umfanekiso utyebe kwaye ubekwe ngaphezulu. Ilensi eneengile ebanzi inokuzisa izinto zombini ezikude nakufuphi emfanekisweni, inika imvakalelo yokuvuleka. Ke ngoko, iilensi ezineengile ezibanzi zihlala zisetyenziselwa ukudubula izakhiwo, imiboniso yesitrato sedolophu, indawo yangaphakathi, iifoto zeqela, kunye nokufota emoyeni.

2.Umgaqo womfanekiso kunye neempawu zeiilensi ezibanzi

Imifanekiso yelensi ebanzi-engile ifezekisa isiphumo esibanzi-engile ngoyilo lwenkqubo ye-lens kunye ne-engile yokubonisa yokukhanya (ngokudlulisa ukukhanya ngenkqubo ethile yelensi, indawo ekude kwi-axis esembindini iqikelelwa ukuba ingene. isivamvo somfanekiso wekhamera okanye ifilimu), ngaloo ndlela ivumela ikhamera ukuba ithathele kwimbono ebanzi. Lo mgaqo usetyenziswa ngokubanzi kwiifoto, iintengiso kunye nezinye iinkalo.

Sinokuwuqonda umgaqo-siseko womfanekiso weelensi ezibanzi ukusuka kule miba ilandelayo:

Inkqubo yeLens:

Iilensi ezibanzingokuqhelekileyo sebenzisa indibaniselwano yobude obufutshane bojoliso kunye nelensi ezinkulu zedayamitha. Olu luyilo luvumela i-lens ebanzi-engile ukuba iqokelele ukukhanya okungakumbi kwaye igqithise ngokufanelekileyo kwinzwa yomfanekiso wekhamera.

Ulawulo lokulahla:

Ngenxa yoyilo olukhethekileyo, iilensi ezibanzi-engile zihlala ziqhelekile kwiingxaki zokuphambuka, ezinje ngokuphazamiseka, ukusasazwa, njl.njl. Ukujongana nale miba, abavelisi basebenzisa amacandelo ahlukeneyo optical kunye nobugcisa bokugquma ukunciphisa okanye ukuphelisa le miphumo emibi.

I-engile yoqikelelo:

I-lens ebanzi-engile ifezekisa umphumo we-angle-engile ngokunyusa i-angle phakathi kwendawo kunye ne-axis ephakathi ye-lens. Ngale ndlela, imbonakalo engaphezulu iya kubandakanywa kumfanekiso kumgama ofanayo, ebonisa indawo ebanzi yokujonga.

Ilensi ebanzi

Kwizicelo ezisebenzayo, kufuneka sikhethe i-lens ebanzi ebanzi ngokusekwe kwiimfuno ezithile zokufota kunye nemiboniso. Ngokubanzi, iimpawu zemifanekiso yeelensi ezibanzi zimi ngolu hlobo lulandelayo:

Ukugqwethwa kwembono:

Xa udubula vala izinto ngeilensi ebanzi-engile, ukugqwethwa kombono kwenzeka, oku kuthetha ukuba kumfanekiso obanjwe, izinto ezikufutshane ziya kubonakala zinkulu, ngelixa izinto ezikude ziza kubonakala zincinci. Umphumo wokuphazamiseka kwembono ungasetyenziselwa ukudala umphumo oyingqayizivele wokubonwayo, njengombono ogqithisayo kunye nokugxininisa izinto zangaphambili.

Indawo ebanzi yokujonga:

Ilensi ebanzi-engile inokubamba indawo ebanzi yokujonga kwaye inokubamba imbonakalo ethe kratya okanye imiboniso. Ke ngoko, iilensi ezinobude obubanzi zihlala zisetyenziselwa ukudubula imiboniso efana nomhlaba, izakhiwo, ngaphakathi, kunye nezihlwele ezifuna ukubonisa umbono wendawo ebanzi.

Imida egotyiweyo:

Iilensi ezinobude obubanzi zithande ukugqwetheka emphethweni okanye kwiziphumo ezigobileyo, ngakumbi kwimiphetho ethe tye nathe nkqo. Oku kungenxa yokunciphisa umzimba kuyilo lwelensi kwaye ngamanye amaxesha ingasetyenziselwa ukwenza ngabom isiphumo esikhethekileyo okanye ulwimi olubonakalayo.

Ubunzulu obundisiweyo bebala:

Ilensi eneengile ebanzi inobude bokujongisisa obuncinci, ngoko inokuvelisa ubunzulu obukhulu bebala, oko kukuthi, imbonakalo yangaphambili nasemva inokugcina umfanekiso ocacileyo. Le propati yenzaiilensi ezibanziiluncedo kakhulu kwiifoto apho ubunzulu bubonke bendawo kufuneka bugxininiswe.

Ufundo oluNxulumeneyo:Yintoni i-Fisheye Lens?Ziziphi ezi ntlobo zintathu zeeLensi zeFisheye?