MP Taimaka Dama Kayan Kyakkyawan Kyamara
Yayin da kake neman sayen kyamarar kyamara, daya daga cikin batutuwa masu kama da kyamarar kamala za ku ga duked by masu sana'a kuma ya bayyana ta masu tallace-tallace megapixel. Kuma yana yin wani abu na ma'ana - da karin megapixels kamara zai iya bayar, mafi kyau ya kamata. Dama? Abin takaici, wannan shine inda abubuwa suka fara samun rikicewa. Ci gaba da karanta don amsa tambayar: Menene megapixel?
Ma'anar MP
Wani megapixel, sau da yawa ya ragu zuwa MP, yana daidai da miliyoyin pixels. Wani pixel shine nau'ikan mutum na siffar dijital. Yawan megapixels kayyade ƙuduri na hoto, kuma hoton da aka yi tare da karin megapixels yana da ƙari. Kyakkyawan ƙuduri yana da ƙwaƙƙwa a cikin hoto, kamar yadda ake nufi kamara yana amfani da ƙarin pixels don ƙirƙirar hoton, wanda ya kamata ya dace don daidaituwa mafi girma.
Bayanan fasaha na Megapixels
A kyamara na dijital, firikwensin hotunan ya rubuta hotunan. Wani firikwensin hoto shine kwakwalwa na kwamfuta wanda yayi la'akari da yawan hasken da yake tafiya ta cikin ruwan tabarau kuma ya kama guntu.
Sensitocin hotunan ya ƙunshi ƙananan masu karɓa, wanda ake kira pixels. Kowane ɗayan masu karɓa na iya ƙidaya hasken da yake buga guntu, yin rijistar ƙarfin hasken. Hakanan hoto yana dauke da miliyoyin masu karɓa, kuma adadin masu karɓa (ko pixels) ƙayyade adadin megapixels wanda kyamara zai iya rikodin, wanda ake kira adadin ƙuduri.
Guje wa rikicewar MP
Wannan shi ne inda abubuwa ke samun dan kadan. Duk da yake yana da tsammanin cewa kyamara da 30 megapixels ya kamata su samar da mafi kyawun hoto fiye da kyamara wanda zai iya rikodin 20 megapixels , ba koyaushe ba. Girman jiki na firikwensin hoto yana taka muhimmiyar rawa a kayyade siffar hoto na kamarar ta musamman.
Ka yi tunanin wannan hanyar. Girman hoto mai girma a cikin girman jiki wanda ya ƙunshi 20MP zai sami masu karɓaccen haske a kan mutane, yayin da karamin ɗan rafin hoto a girman jiki wanda ya ƙunshi 30MP zai sami ƙananan masu karɓa na haske.
Mai karɓa mai haske mafi girma, ko pixel, zai iya daidaitawa daidai da hasken shigar da ruwan tabarau daga wurin da yafi ƙarami mai sauƙi. Saboda rashin daidaituwa a auna ma'auni tare da karamin pixel, za ka ƙara da karin kurakurai a ma'auni, sakamakon "rikici" a cikin hoton. Batu ne pixels wanda ba su zama daidai launi a cikin hoton ba.
Bugu da ƙari, idan mutum pixels suna kusa da juna, kamar yadda suke tare da ɗan ƙaramin firikwensin hoto, yana iya yiwuwa siginonin lantarki da samar da pixels zai iya tsoma baki tare da juna, haifar da kurakurai a aunawar hasken.
Saboda haka, yayin da yawan megapixels kamara zai iya rikodin yana taka muhimmiyar rawa a hotunan hoto, girman jiki na na'urar daukar hoto yana taka muhimmiyar rawa. Alal misali, Nikon D810 yana da nau'i na megapixels 36, amma kuma yana samar da maɓalli mai mahimmanci, saboda haka yana da mafi kyau duka duniyoyi biyu.
Canja MP Saituna
Yawancin kyamarori na dijital suna baka dama na canza yawan megapixels da aka rubuta a cikin wani hoto. To, idan iyakar iyakar kamara ta 20MP ne, zaka iya yin rikodin hotunan da suke 12MP, 8MP, 6MP, da 0.3MP.
Duk da yake ba a ba da shawarar yin rikodin hotuna tare da ƙananan megapixels ba, idan kana so ka tabbatar da hotunan dijital wanda zai buƙaci adadin ajiyar wuri, za ka iya harba a wani wuri mai ƙananan megapixel, kamar yadda rikodi tare da yawan megapixels ko a Ƙari mafi girma yana bukatar ƙarin ajiya.