Unfortunately the jpgs for #2 & #3 have weird apparent sharpening artifacts, though no sharpening has been applied at all to the files.
But I hope you get the idea anyway ...
b20130620-3 by _loupe, on Flickr
b20130620-1-3 par loupe, on ipernity
b20130620-1 by _loupe, on Flickr
But I hope you get the idea anyway ...
b20130620-3 by _loupe, on Flickr
b20130620-1-3 par loupe, on ipernity
b20130620-1 by _loupe, on Flickr