Hand held, I accept not the best gackground but it is not too often a situation like this presents itself.
OM-1 150-400TC
Focal Length (35 mm conversion) : 545.0mm
Exposure mode : Manual exposure
ISO : 20,000
Exposure compensation : +0.3 EV
Shutter : 1/1600 sec
Aperture : F4.5
ACR/PSCC