Thing is, last Friday I was using a lens with a maximum focal length of 80mm (on an APS-C sensor, so the equivalent of 120mm on a full frame) and you can only get so close to the threshing magine before bumping into the ropes that they have up as a safety barrier.
Fortunately a 24MP sensor lets you crop without losing much detail. Here's a screen shot of the RAW file in Photoshop before cropping...