I am really thinking about purchasing the R1 or R10 for ease of use for commercial shoots.

If I want to use the R1 with my Canon 5D Mark II, what fixed wide-angle or fisheye lens do all of you recommend? I was thinking about getting the NN5-RD16 setup but I need something that does the job quicker (even though I will lose some detail as a result of using a fisheye).

Also, I would like to be making 180 and some 360 panoramas.