10×15 cm-es fotók
Bár a 10×15 cm-es fotókat többnyire közelebbről nézzük, mint az A4-es, vagy nagyobb, falra akasztott nyomatokat, mégis – kis méretük miatt – ezekhez elegendő lehet 2-3 Mpixeles képfájl. A 300 dpi-s felbontás mellett 15 cm-hez 1770 pixel széles képre van szükség, amely a 3:2 oldalarányt megtartva 1180 pixeles magasságot ad. Ez közelítőleg 2 Mpixel.
Tudjuk azonban, hogy a fényképezőgépek Bayer-rácsa és a demozaik eljárás miatt egy 2 Mpixeles fényképezőgép képe kevésbé hat élesnek, mint egy 4 Mpixeles fotó leméretezése, majd élesítése.
Ezek alapján érdekes lehet megvizsgálni, hogy vajon a 3-4…10-14 Mpixeles gépeknél lesz-e előny a nagyobb felbontásból ekkora méretnél, vagy itt már valóban szinte felesleges a nagy felbontás.
A képeket tehát először (kis tartalékot hagyva) 3 Mpixelre méreteztük le IrfanView segítségével, majd szintén ebben a szoftverben 6-os élesítést alkalmaztunk.
A G1 3 Mpixeles felbontása miatt itt eleve hátrányosan indult, de ez benne van a pakliban, amikor papírképet készítünk, akkor is szembesülünk ezzel a problémával.
3 Mpixelre leméretezett 1. kivágás








































- ISO80
- ISO80 RAW
- ISO100
- ISO100 RAW
- ISO200
- ISO200 RAW
- ISO400
- ISO400 RAW
- ISO800
- ISO800 RAW
- ISO1600
- ISO1600 RAW












- ISO80
- ISO80 RAW
- ISO100
- ISO100 RAW
- ISO200
- ISO200 RAW
- ISO400
- ISO400 RAW
- ISO800
- ISO800 RAW
- ISO1600
- ISO1600 RAW












3 Mpixelre leméretezett 2. kivágás








































- ISO80
- ISO80 RAW
- ISO100
- ISO100 RAW
- ISO200
- ISO200 RAW
- ISO400
- ISO400 RAW
- ISO800
- ISO800 RAW
- ISO1600
- ISO1600 RAW












- ISO80
- ISO80 RAW
- ISO100
- ISO100 RAW
- ISO200
- ISO200 RAW
- ISO400
- ISO400 RAW
- ISO800
- ISO800 RAW
- ISO1600
- ISO1600 RAW












3 Mpixelre leméretezett 2. kivágás








































- ISO80
- ISO80 RAW
- ISO100
- ISO100 RAW
- ISO200
- ISO200 RAW
- ISO400
- ISO400 RAW
- ISO800
- ISO800 RAW
- ISO1600
- ISO1600 RAW












- ISO80
- ISO80 RAW
- ISO100
- ISO100 RAW
- ISO200
- ISO200 RAW
- ISO400
- ISO400 RAW
- ISO800
- ISO800 RAW
- ISO1600
- ISO1600 RAW












3 Mpixelre leméretezett 1. kivágás








































- ISO80
- ISO80 RAW
- ISO100
- ISO100 RAW
- ISO200
- ISO200 RAW
- ISO400
- ISO400 RAW
- ISO800
- ISO800 RAW
- ISO1600
- ISO1600 RAW












- ISO80
- ISO80 RAW
- ISO100
- ISO100 RAW
- ISO200
- ISO200 RAW
- ISO400
- ISO400 RAW
- ISO800
- ISO800 RAW
- ISO1600
- ISO1600 RAW












A fenti képeket elnézve elmondhatjuk, hogy körülbelül a G7-nél, vagyis 10 Mpixelnél van az a határ, ahonnan már alig-alig venni észre különbséget. Addig azonban látni eltérést és érződik a nagyobb felbontás részletezettsége.
Nézzük a képzajt. A nagy méretű nyomatnál egyértelműen előny volt a nagy felbontás, vajon 10×15 cm-es papírképnél mire számíthatunk e téren?
A helyzet itt is hasonló, a nagyobb felbontású gépnél kisebbek lesznek a zaj okozta színes pontok. Legalábbis egy ideig. A dolgot kissé megkavarja, hogy a G7-től kezdődően már komoly zajszűrés is segíti a homogénebb részek kidolgozását, amely ISO400-nál is tökéletes papírképeket eredményez.
Nem szabad azonban most sem elfelejteni, hogy nagyított képrészletet nézünk, vagyis az a 400 pixel, amit itt a monitoron 1:1 méretben látunk, a valóságban (a papírképen) 3 cm.
Ezek alapján a fejlesztések 7-10 Mpixel felett már alig észrevehetők.