![](http://www.alamy.com/thumbs/6/3D2E1E16-9786-4FFF-9549-C085316753A3/JAK34R.jpg)
Thread-counter flunks on white zone
Size: 3008px × 2000px
Photo credit: © Gilles Paire / Alamy / Afripics
License: Royalty Free
Model Released: No
Keywords: enlargement, flunks, glass, instrument, lens, observation, optics, study, thread-counter, tool