Har ma masu daukar hoto masu sana'a sukan yi gwagwarmaya tare da tambayoyin yadda za su iya busa hotuna ba tare da rasa hoto ba. Ƙarin kasa game da yadda za ku iya buga hotuna ku dogara ne akan wasu dalilai. Na farko, nawa ne (bayanin hoto) akwai? Na biyu, Mene ne nesa da aka yi tsammani daga bugawa? Abu na uku, menene kayan da za a buga a hoto?
Bayanan Hotuna
Adadin bayanan hotunan da aka adana ya dogara da tsarin saitunan ka da damar.
Ko da koda kake da kyamara 12-megapixel, zaka iya samun yawaccen bayanai dangane da saitunan. Don samun cikakken damar damar kyamararka dole ne ka saita siffar hoto zuwa ga mafi girman saiti. Duk wani abu da ke ƙasa shi ne zazzage bayanai.
Saboda daidaitattun sigina na hotunan yana da 300dpi zaka iya lissafin kimanin megapixels da ake buƙata don kowane girman hoton. Haɓaka hoton hoton da nisa da 300 don samun tsarin yatsan hannu domin pixels da ake buƙata don bugu. Misali, kuma 8x10 ya zama 2400x3000 pixels. Ƙara na gaba tare da pixel tare. Ga wannan misali, wannan yana nufin 2400x3000 ya zama miliyan 7.2. Wannan shine yawan megapixels da ake buƙatar rikodin hoton hoto na 8x10.
Wallet 750x900 pixels .7 megapixels
4x6 1200x1800 pixels 2 megapixels
5x7 1500x2100 pixels 3.1 megapixels
8x10 2400x3000 pixels 7.2 megapixels
Dubawa Distance
Shin kun taba lura cewa idan kun kasance kusa da gidan talabijin dinku ya rasa inganci?
Wancan ya faru saboda an tsara tallan TV don wasu kallon nesa. Tare da hotunan hotunan, wannan abu ya faru. Ana buƙatar kwafi da yawa don ganin su daga ƙananan ƙafafun, ba inci ba. Wannan yana nufin cewa ƙirar ƙarami ko hoto tare da kasa da bayanai za a iya buga shi tare da sakamako mai mahimmanci. Wani 8x10 shine mafi girman ƙanƙan da aka tsara don a duba shi daga akalla 2 ƙafa.
Wannan yana nufin cewa yayin da aka buƙaci 7.2 megapixels na bayanai don yin rikodin 300dpi 8x10, farfadowar nisa yana rage adadin bayanin da ake buƙata don kyakkyawan bugu. Duk da yake ba cikakkiyar mulkin ba, raba raƙuman da ake buƙata ta nesa (a ƙafafun) don samun ra'ayi game da yadda kadan bayanai za ku iya fita tare da. Don kashi 8x10 raba 7.2 megapixels da 2 (ƙafa). Wannan yana nufin za ka iya buga hoto na 3.6-megapixel a matakin 8x10 don sakamako mai kyau. Ƙari daga siffar da kake duban hotunan, mafi mahimmancin waɗannan sakamakon shine kuma mafi daidai.
8x10 7.2 megapixels raba tsakanin 2 (ƙafa) = 3.6 megapixels
11x14 13.8 megapixels raba tsakanin 3 (ƙafa) = 4.6 megapixels
16x20 28.8 megapixels raba tsakanin 5 (ƙafa) = 5.7 megapixels
20x30 54 megapixels raba tsakanin 8 (ƙafa) = 6.7 megapixels
Print Surface
Wani irin kayan da hotunanku ya buga ya haifar da babban bambanci a cikin ingancin gani. Ƙarƙashin littattafai, ƙananan bayanai da ake buƙata don yin kwaskwarima. Ƙarƙashin da kuma ɗaukaka hotunan, mafi yawan bayanai da ake buƙatar don buƙatar da kake gani. Wannan shi ne saboda rubutun da aka rubutun ya ɓoye wasu kuskuren hoto kuma yana ba da idanu da "uzuri" don bayanin da ya ɓace ko ɓata.
Babu wata takaddama don lissafin wannan bambanci, wannan wani factor dole ne ka gwaji tare da kanka don samun abin da kake gani a gani.