From this airfield March 7, 1945, Major Erich Leie took off for the last flight.
source: http://lotniczapolska.pl/Smierc-asa-Luftwaffe-w-Drogomyslu,21172


Beneschau Airfield , 1945

This Luftwaffe Oberleutnant appears to be checking something on a Me109 with the help of an optical instrument of sorts. Can someone tell me what he's doing? Thanks in advance, Neutral.

Checking the propeller's shaft/engine?

Messerschmitt Bf 109G/Trop of Luftwaffe’s Jagdgeschwader 53 (JG 53) “Pik-As” on a Sicilian airfield, 1943.