
Originally Posted by
Tony Whitehead
You are right, Melvin, the contrasting lines are due to light reflecting off the shiny shafts. If you enlarge the image you will see (especially on the lower tail feathers) that there is a bright white line running down the shaft with a pair of dark lines running either side of it. This is the result of sharpening for output (in this case web presentation). Sharpening looks for areas of contrast difference and then accentuates that difference increasing the perception of sharpness. The reflections are there - sharpening accentuates them.