i haven't toyed with it as much as i should. here are a few examples. these were shot on my 20d. i still need to try it out on the 5d mark ii. http://www.infin8photography.com/Portfolio/San-Francisco/MG0393/546054767_vjX7H-M-3.jpghttp://www.infin8photography.com/Portfolio/San-Francisco/MG0588-1/546247404_PAqsM-M-3.jpghttp://www.infin8photography.com/Portfolio/San-Francisco/MG0442/546191067_mtGLx-M-4.jpghttp://www.infin8photography.com/Portfolio/San-Francisco/MG0357/546233762_VCxbH-M-3.jpghttp://www.infin8photography.com/Portfolio/San-Francisco/MG0245/546166490_ciic3-M-4.jpghttp://www.infin8photography.com/Portfolio/San-Francisco/MG0329/546241905_HV866-M-3.jpg