The Componon 35mm f4 is not very well known lens but nonetheless is one of the better macro lenses from 2-5x and as far as performance vs cost, it’s almost an impossible lens to beat.
Just posted the full test here on Closeuphotography.com:
https://www.closeuphotography.com/schneider-componon-35mm-f4-lens-test
Check out the test and let me know if you have any questions or comments.