This image was acquired from
flickr. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
Keywords from Image Description:
blackandwhite monochrome people eye black and white tried to take an eye macro it was easy to be honest with my len mm attached to extension tubes but the problem was one thing which is the light it's hard to use when aren't using macro lens tried to take an eye macro it was easy to be honest with my len mm attached to extension tubes