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Review Summary
2013-08-27T21:00:00
This one is aluminum, but does the job. I use it to mate my Canon 77 mm close up lens to my Nex 50 1.8 lens. It does the job, but I would recommend threading carefully. Pretty convenient even if the rig looks a bit weird.
TIM O.
2013-06-21T21:00:00
Does exactly what it's built to do!
Dana
Allows you to use larger size filters on lenses with a smaller diameter thread. The first number is the size that screws into the lense, the second number is the filter size.