Chromatic aberration (also known as color fringing or dispersion) is a common problem in lenses which occurs when colors are incorrectly refracted (bent) by the lens, resulting in a mismatch at the focal point where the colors do not combine as they should.he good news is that if you are stuck working with a lens that exhibits some form of visible chromatic aberration there are several easy-to-understand strategies which can help you to remove or minimize the visible effect of it in your photos.
the maximum score on the act is a 36 out of the 1 8 million students who take the test every year only about 1000 get the highest possible act score this elusive perfect score places you at the top of millions of high school students and can be a big boost to your college applications
Illinois' Class of 2011 posted the highest average ACT score in a decade â 20.9 â but the performance fell below the national average and most graduates left high school unprepared for key college classes, data released Wednesday show.he noted that among the 10 states with the highest percentages of ACT test-takers, Illinois ranked at the top this year with its average score of 20.9. That compares to the 20.1 in 2002 and 20.7 last year. The comparison includes states in the South, Midwest and West.