I had fun this week taking pictures with my first lenses, which I bought 50 years ago.
My Fujinon EBC lenses, The photos were taken with my Olympus OM-D E-M1 Mark II (2016) With M42-M4/3 adapter
Olympus OM-D E-M1 Mark II With adapter M42-M4/3 by Marc Aubry, sur Flickr
M42 Fujinon EBC 28mm f/3.5
M42 Fujinon EBC 50mm f/1.4
M42 Fujinon EBC 135mm f/2.5
M42 Fujinon EBC 200mm f/4.5
Here are some examples
Vegetation in all its state by Marc Aubry, sur Flickr
Particles of light by Marc Aubry, sur Flickr
Effeuilleuse by Marc Aubry, sur Flickr
A bouquet of light by Marc Aubry, sur Flickr