Chromatic aberration -- usually associated with objective lenses of refractor telescopes , is the failure of a lens to bring light of different wavelengths ( colors ) to a common focus .
色差-经常在折射望远镜的物镜上出现，是因为透镜不能把不同波长（颜色）的光聚焦到一点而形成的。
Photo details : I captured these white light images using a lunt herschel solar wedge filter setup ; 80mm university optics refractor ; 2x barlow lens ; dmk ( 21 + 31 ) fire wire cameras ; 1 / 1000 sec .
