Ko yin nazarin wani takardu ko zabar kyamarar kyamara, mutane da yawa suna rikita batun yawan nau'in pixels da suke bukata a cikin hoton. A gaskiya, yawancin kyamarori na digital SLR suna kama hotuna a ƙudurin 300 pixels da inch wanda yake da kyau ga hoto da aka ƙaddara don buga bugawa. Duk da haka, akwai mai yawa mayar da hankali a kan ƙuduri musamman idan ya zo da camel tallace-tallace da kuma masu bugawa.
Na farko, yana da mahimmanci a fahimci wasu kalmomin da suka shafi girman hoto da ƙuduri - PPI, DPI, da Megapixels. Idan ba ku saba da wadannan sharuɗɗa ba, ko kuna buƙatar maidawa, bi hanyoyin da ke ƙasa don ƙarin bayani:
Pixels da inch (ppi) - Gwargwadon ƙuduri na hoto wanda ya bayyana girman hoton zai buga. Mafi girman farashin ppi, mafi ingancin bugawa za ka samu - amma har zuwa wani batu. 300ppi ana la'akari da mahimmancin komawar dawowa idan yazo da jigon jigilar hotunan dijital.
Dots da inch (dpi) - Sakamakon ƙuduri na kwafin rubutu wanda ya bayyana maƙasudin tawada nawa da aka sanya a kan shafin yayin da aka buga hoton. Yau masu hoton jigon inkatu na yau da kullum suna da ƙuduri a dubban (1200 zuwa 4800 dpi) kuma za su ba ku kyauta hotunan hotunan hotunan tare da tasirin hoto na 140-200, kuma high quality prints of images tare da 200-300 ppi resolution.
Megapixels (MP) - Miliyoyin pixels, ko da yake wannan lamuni yana tasowa lokacin da ya kwatanta ƙuduri na kamara.
Lokacin da aka ƙayyade yawan nau'in pixels kana buƙatar, duk yana rufe ƙasa da yadda kake amfani da hoto da nisa da tsawo na bugawa. Ga wata ma'auni mai shiryarwa don shiryar da kai lokacin da aka gano nau'in pixels da za ku buƙaci don bugu da cikakkun hotuna akan jigilar jigon ink ko ta hanyar aikin bugu na intanet.
5 MP = 2592 x 1944 pixels
High Quality: 10 x 13 inci
Kyakkyawan Kyau: 13 x 19 inci
4 MP = 2272 x 1704 pixels
High Quality: 9 x 12 inci
Kyakkyawar Kyau: 12 x 16 inci
3 MP = 2048 x 1536 pixels
High Quality: 8 x 10 inci
Kyakkyawan Ƙarancin: 10 x 13 inci
2 MP = 1600 x 1200 pixels
High Quality: 4 x 6 inci, 5 x 7 inci
Kyakkyawar Kyau: 8 x 10 inci
Kasa da 2 MP
Daidai ne kawai don dubawa kan allon ko adadi-size. Duba: Nawa pixels nawa ne ina buƙatar raba hotuna a layi?
Fiye da 5 megapixels
Idan ka wuce fiye da biyar megapixels, chances kai ne mai daukar hoto mai daukar hoto ta amfani da kayan aiki mai tsayi, kuma dole ne ka kasance da mahimmanci a kan manufar girman girman hoto da ƙuduri.
Megapixel Madama
Masu yin amfani da kyamarori na digital suna son dukkan abokan ciniki suyi imani cewa mafi girma megapixels yana da kyau mafi kyau, amma kamar yadda kake gani daga sashin da ke sama, sai dai idan kana da babban jigon jigidar kwakwalwa, kowane abu fiye da 3 megapixels ya fi yawancin mutane zasu buƙaci.
Duk da haka, akwai lokutan da mafi girma megapixels zasu iya shiga. Megapixels mafi girma zasu iya ba masu daukar hoto masu son damar 'yanci mafi girma yayin da ba za su iya zama kusa da batun kamar yadda suke so ba. Amma cinikin kasuwanci zuwa mafi girma megapixels shine manyan fayilolin da zasu buƙaci ƙarin sarari a ƙwaƙwalwar ajiyar ka da kuma ƙarin ajiya a sararin kwamfutarka. Ina jin farashin ƙarin ajiya ya fi dacewa, musamman ga waɗannan lokacin lokacin da ka kama wannan hoto mai ban mamaki kuma zai iya son buga shi cikin babban tsari don tsarawa. Ka tuna, zaka iya yin amfani da sabis na buƙatun kan layi kyauta idan bajinka ba zai iya rike babban tsari ba.
Maganar Gargaɗi
Akwai bayanai mai yawa da aka gabatar a nan amma yana da mahimmanci a gare ka ka fahimci cewa ba kawai ka ƙara girman ppi na hoto a cikin Photoshop ba. ta hanyar samun Hoto> Girman Hotuna da kara Ƙimar Resolution.
Abu na farko da zai faru shi ne girman fayil din na ƙarshe da girman girman hoto zai karu da karuwa saboda yawan adadin pixels da aka kara zuwa hoton. Matsalar ita ce bayanin launi a waɗancan sababbin pixels, mafi kyau, "mafi kyawun zato" akan ɓangaren kwamfutar da godiya ga tsarin Interpolation. Idan hoto yana da ƙuduri na ƙasa da 200 ppi ko žasa, kada ta buga wani latsa.
Har ila yau, duba: Ta yaya zan canza girman buga hoto?
Immala ta Tom Green