Shot this evening - after sunset - with feet immersed in winter seawater for an extended period of time! Click for bigger versions (that show the detail & lighting much better).
2 Sec @ F22 @ ISO 50 @ 100MM on 1Ds3 via EF 70-200mm F2.8L IS USM II & Singh-Ray 3-Stop Hard Edge Reverse GND Filter.
12 Min (Effective) @ F22 @ ISO 100 @ 70mm on 1Ds3 via EF 70-200mm F2.8L IS USM II & Singh-Ray 3-Stop Hard Edge Reverse GND Filter.