tony lockerbie Aug 11, 2013 This is really excellent, and a total visual puzzle...still trying to work it out!
grahamp Aug 11, 2013 A slow-ish shutter speed. There are two or three vertical vanes that rotate around the vertical shaft. Well visualized.
A slow-ish shutter speed. There are two or three vertical vanes that rotate around the vertical shaft. Well visualized.
rorye Aug 11, 2013 Spot on grahamp, 4 minutes, it was actually dark out by the time I made this exposure
grahamp Aug 11, 2013 The more I look at it, the more it reminds me of an industrial x-ray image. The dark ring at the top really holds it together. I would have missed this possibility, I think.
The more I look at it, the more it reminds me of an industrial x-ray image. The dark ring at the top really holds it together. I would have missed this possibility, I think.