Close-Up - microengraving on £1 coin
Sorry - I haven't been keeping up lately, but I took this a couple of days ago when testing some extension tubes and thought of the community. Not quite as clear as I would like, I was using a lot of magnification (about 1.5X) and Minolta lenses and tubes adapted to a Canon body, which means that there is at least one crappy adapter lens in the way...

Original here: https://www.flickr.com/photos/150868539@N02/44351339910/sizes/l/
I'll try to respond a bit more often in future.

Original here: https://www.flickr.com/photos/150868539@N02/44351339910/sizes/l/
I'll try to respond a bit more often in future.