Klemens is a Vienna based cinematographer who shot numerous shorts, documentaries and music videos during his cinematography studies at the Vienna Film Academy. He was granted a scholarship for the 2012 Budapest Cinematography Masterclass led by Vilmos Zsigmond. Among the credits during this time is the winner of the 2014 First Steps Award MUSIK which was also nominated for the Michael Ballhaus Price. TALLERES CLANDESTINOS was nominated for the European Film Prize and was awarded Best Cinematography at the Vienna Filmacademy Festival 2013 .
Documentary credits include AND THERE WE ARE IN THE MIDDLE which had its premiere at the 2014 Berlinale and MY FATHERS, MY MOTHER AND ME which won the Grierson Award at the 2013 London Film Festival as well as the Austrian Film Award for Best Documentary. In 2013 he shot his first feature MACONDO which premiered at the Competition of the 2014 Berlinale and subsequently won numerous international awards as well as a nomination for Best Cinematography at the Austrian Film Awards 2015.
In 2016 his second feature THE EREMITES had its premiere at the Venice International Film Festival in the Orizzonti Competition and the documentary BROTHERS OF THE NIGHT was selected for the Berlinale Panorama and won the Best Cinematography Award at the RIDM Festival in Montreal as well as a nomination for Best Documentary and Best Cinematography for the Austrian Film Awards 2017.