Replies

• WaterEngineer Posts: 24,415 AG

  June 2013 #2

  These because they allow communication between the lens and the camera body. Cheap tubes are OK, but there is no communication and thus fully manual camera operation.
  
  http://www.bhphotovideo.com/c/product/787224-REG/vello_ext_nd_auto_focus_ext_tube.html

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• Gardawg IslamoradaPosts: 15,065 AG

  June 2013 #3

  I looked at those and the Kenko and couldn't see any difference except the Kenko cost more
  
  for the $ I'll give the vello a try
  
  thanks

  "Forgiveness is a strange thing. It can be sometimes easier to forgive our enemies than our friends. It can be hardest of all to forgive people we love." Fred Rogers  
  

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