© 2016 Liam Doran | 12-24mm F4.5-5.6 lens on Canon 1DX.  ISO 320 f/10 1/250 sec.At one point I got into a less than ideal shooting location where I could barely get off the trail  the racers were on. Solution: grab the 12-24 and put a flash on camera and drag the shutter a bit.