Color/Purple Fringing ke ni?

[azmanshah]

http://static.flickr.com/95/280464526_aea68b17cc.jpg

Wahai kawan-kawan.

nampak tak ada color purple kat tepi-tepi telinga, rambut, pipi dan baju. (klu tak nampak...bak kata nujum pak belalang lah.. hehehe)

soalan:
1) Apakah masalah ini?
2) Bagaimana ianya boleh berlaku?
3) mcm mana nak elak kan atau nak perbaiki?
4) solan bonus --> benda ni selalu berlalu ngan nikon je ke?

sedikit maklumat tentang gambar:
kamera : old D70
lens : old nikkor two ring 80-200 f2.8
iso : 400
no flash, hand held
WB : sunlight -3
speed : 1/80
apature : 2.8

[shaifulrizal]

haa...tu la...kenkadang tu...jgn kata warna purple...aku selalu kena warna kuning/oren....
apa benda tu ek??

[nfirdaus]

Ini dipanggil Chromatic Aberration.

Saya pernah kena gambar sebegini apabila memakai Tokina 12-24 ketika melancong di Beijing, China. Saya nak terangkan lebih2 pun tak pandai, dan infonya ada disini:- http://en.wikipedia.org/wiki/Chromatic_aberration

Ia memang dikenali @ as known as color fringing & menjadi common problem pada high resolution DSLR, even ia menggunakan professional caliber-lense which were never designed for the precision required by cameras such as the Nikon D2X, and Canon EOS 1Ds Mark II & etc. Color fringing kebiasaannya dilihat berwarna merah or cyan-colored edges, terutamanya dikesan pada along high contrast areas (blue/yellow fringing is less common, and less obvious).[/url]