A macro shot of a blue ball point pens tip. Used a macro adapter I made from two skylight filters glues together and the 300mm zoom and reversed 50mm lenses.
See also http://www.pbase.com/barry_2718/image/78285845
Your image is definetly sharp, but it is grainy. A lower ISO could possibly bring out some of that sharpness alittle more. I am amazed at the detail that is seen, almost never seen by the naked eye.