This was taken just before a bit of a tussle with another stag, he's pretty pumped up! I was pleased to get a few images with water vapour coming from his nose.
OM-1 150-400TC
Focal Length (35 mm conversion) : 713.0mm
Exposure mode : Auto exposure
ISO : 1600
Exposure compensation : 0.0 EV
Shutter : 1/1600 sec
Aperture : F5.6
ACR/PSCC