Furfure faktor.Chto shi ne da kuma yadda muhimmanci shi ne a lokacin da zabar wani digital.

Furfure factor - wani lokaci da cewa an kara zuwa ƙamus na daukar hoto sharuddan da fitowan da tartsatsi amfani da wani sabon ƙarni na kyamarori. Tare da ci gaba na zamani da m fasahar a kasuwa ya fara bayyana more kuma mafi dijital SLR kyamarori da kudin m zuwa nonprofessionals. Irin wannan saye, ban da price, rarrabe sai wani category, ga wanda aka zaɓa kyamara - shi ne yawan Megapixels. Tare da Megapixels suka yi ko ta yaya fitar da siffa, da kuma gabatar da vaguely, abin da yake da shi sosai har yanzu fahimci cewa mafi mafi alhẽri na'urar. Duk da haka, kamar yadda ya juya waje, wani muhimmanci halayyar bayãnin hukuncin ingancin tsakanin wani digital, wani amfanin gona factor. Kafin ka saya da kamara, a tsaye har yanzu a gane abin da shi ne.

'Yan koyo a kalla sau daya mamaki me ya sa, idan da ruwan tabarau da kuma cikin ruwan tabarau yana da wani madauwari siffar, da firam a lokaci guda suka yi rectangular? Babu wani abu da wuya a amsar wannan tambaya shi ne ba. Doguwar da photographed image ga kafofin watsa labarai a cikin kyamara, da ruwan tabarau kimiyyan gani da hasken wuta kawai hallaka "karin" ɓangare na image, ba shi da wani rectangular siffar. Yana da matukar dace don samar da wani fim kunshi jerin rectangular Frames, kuma domin yin hotuna da bãyar da kuma sauran m, kuma m.

Saboda dogon lokacin da amfani da shafi images da size da firam a kan film ci gaba da za a yi amfani da matsayin tunani size. Babu daya ko ba ya faruwa canza shi ko a yanzu, a lokacin da harbi a kan fim ne kusan wani abu da suka gabata. Yau, tare da Accession na dijital photo harbi a kan musamman matrix, wanda za a iya wajen kwatanta da fim.

Matrix, wanda shi ne girman daidai fim frame, da ake kira da cikakken-firam. Duk da haka, mafi yawan dijital SLR kyamarori ne matrix da size da yawa karami. Da sauƙi a kan irin matrices an burge kawai tsakiyar yankin na image cewa zai samu zuwa cikakken sikelin matrix. Gani, shi ya dubi yadda idan hoton da ruwan tabarau firam da ciwon tsawon yawa da hankali tsawo.

Saboda haka ya tashi da kalmar cewa ma'anar da "karuwa" mai da hankali tsawon, wanda aka ba da gaske faruwa, domin a nan, kamar yadda a cikin mu misali da zagaye ruwan tabarau, kawai ya yanke m ɓangare na firam. A Turanci da kalmar "amfanin gona" (amfanin gona) da aka fassara a matsayin "yanka". Saboda haka sunan ajalin - amfanin gona factor, wanda yana nufin cewa ke artificially ƙara mai da hankali tsawon. Yana daidai ya bayyana a lokaci guda, a gaskiya akwai aiwatar da harbi, kamar yadda a cikin jiki ji, ruwan tabarau na kamara mai da hankali tsawon ba ya canja, amma kawai canza kwana na view.

Saboda haka, frame Girma 35 timillimetrovoy film 24x36 mm ya kasance, ya zauna, da tunani, wanda yanzu da alaka da kuma amfanin gona factor. Domin irin wannan firam shi ne daidai 1. A farkon zamanin, Nikon dijital daukar hoto cikin hikima yanke shawarar cewa, yana yiwuwa ya nuna dijital SLR kyamarori da ikon yin amfani da su tare da tsohon kimiyyan gani da hasken wuta, wanda aka sanya shekaru da dama da kuma sau da yawa kudin fiye da kyamara da kanta.

Duk da haka, tare da aiwatar da wannan ra'ayin muna da matsala. Create a full-tsawon haska tabbatar da tsada sosai, kuma kamar ma kananan akwai wani batu.

A sakamakon binciken da ta haska da aka kafa, wanda aka diagonal da rabi sau kasa da firam 35 timillimetrovoy fim. Saboda haka, domin irin wannan mai haska 1.5 - wannan shi ne ya amfanin gona factor. Canon, ba zato ba tsammani, daga baya sami wani ko da mafi alhẽri bayani. Furfure factor na ta da bẽnãye zama daidai 1.6.

Don ko ta yaya daban-daban daga gare shi, a amfanin gona factor na Nikon fara kiran DX, da kuma cikakken tsawon haska FX. Irin wannan tsarinsa ya ci gaba da zama a yau. Ana amfani da mutane da yawa sauran kamfanoni, ban da Nikon.

Masana'antun na kyamarori da amfanin gona factor, amfani da abin da yanki na na'urori masu auna sigina ragu da fiye da rabin. Wannan sa a tanadi a yi na iko da kuma tsada kimiyyan gani da hasken wuta. Masana'antun fara nuna taro yawa na dijital kyamarori suna samuwa ga mai fadi da kewayon masu daukan hoto.