UV imaging with the 41mm UFAR Mars mission lens

A few weeks ago I received a 41mm f2.5 UFAR lens which was developed for the Soviet Mars programme (you can see my initial work on it here). As it was, fitting a filter to the front wasn t really feasible. A good friend of mine, Dr Klaus Schmitt, who has one of these lenses, showed Continue reading UV imaging with the 41mm UFAR Mars mission lens