Exposure - is umthamo wokukhanya ukubabulala be-CCD

Ikhamera isimiso isinyathelo okusikhumbuza emehlweni isidalwa esiphilayo. Eqinisweni, sibona izinto imvelo njengoba benjalo, sibonga ukukhanya kubonakala abatelekile retina. Ngokufanayo, ukuthi isebenza yiyiphi ikhamera. Khanyisa kubonakala kusukela into ewela ilungu photosensitive - ifilimu noma i-matrix digital, futhi lapho etholwe zeminwe isithombe.

Exposure - lena umthamo wokukhanya etholwe matrix ikhamera. isithombe Kusobala uyobheka esikhanya kakhulu, esingacacile - amnyama. Ngokufanayo, iso womuntu ungalungisa ukwandisa noma ukunciphisa ukukhanya, ikhamera lingasethwa ngaphansi kwezimo ezithile zemvelo. Ukuze uthole isithombe evamile, kuyabonakala yonke imininingwane, ikhamera kumele ulungise - ukunciphisa noma ukwandisa beso lens noma yesivalo isivinini.

Ngakho, empeleni, ukuchayeka lesifanele - is, ngaphezu kwakho konke, ikhono u isa ikhamera ngakho isithombe kwaba obunobunye mayelana inhlanganisela izithunzi nokukhanya. Ngokwesibonelo, uma ebumnyameni yanquma ukwandisa beso lens ukuthola isithombe esicacile, uzoba cishe ukunciphisa ukuchayeka, ie kwesikhathi yokucina.

Kukhona into okuthiwa ukuchayeka double. Kulesi sithombe esikhulu iphuzu ukubuka izithombe ezimbili. Le ndlela ibizwa avame ukusetshenziswa art izithombe ukudala izithombe yasekuqaleni. Image nge ukuchayeka double ifana emgwaqweni ngefasitela ingilazi okutshengisa nempahla. Lena indlela okuthakazelisa kakhulu, ayevame bezithombe professional.

Ubuchwepheshe banamuhla digital ivumela kakhulu lula umsebenzi master. Ngoba ukuchayeka - limane degree of khona kule isithombe amafu avelele ngefomethi yesithombe RAV kungaba lula kakhulu ukuba silungise qualitative kakhulu ngokuya exposure isithombe ngemuva kwesibhicongo. Amakhamera ayatholakala, okuyinto inesimiso evumela ukuthi ukwenza lokhu ngempela kalula. Ngaphezu kwalokho, umphumela ofanayo bungatholakala usebenzisa ezihlukahlukene program e-computer, ethandwa kakhulu okuyinto Photoshop.

Exposure photography kubaluleke kakhulu. Inani kwezobuciko yesithombe akuxhomekile nje kuphela esimweni scene kukhethwe kahle, kodwa ngokucacile isithombe ibukwe futhi zonke izingxenye zawo. Ngakho-ke, iyiphi photographer kufanele bakwazi ukumisa kahle ikhamera nokusebenza esithombeni target kukhompyutha. amakhamera Modern, ngisho digital, ukuhlinzekela ukuqaliswa ngezithombe ezinhle kucace wonke amathuba.

Ngokuvamile, ngaphezu umbala wesikimu efanele, ukuchayeka - yilokhu inquma izinga isithombe. Ngisho uma kuyinto evamile amateur isifinyezo ngoba i-albhamu umndeni, isithombe kufanele kube kungekho Kusobala noma esingacacile. Lokhu kungafezwa, ngisho noma usebenzisa yesimanje amakhamera abavamile digital.