GoPro3/3+ 52mm filter holder/adapter
thingiverse
I have a few 52mm camera filters lying around and want to use them on my GoPro's. I simply designed an adapter/filter-holder that is press-fit onto the GoPro rubber around the lens. Instructions I printed it in PLA on my Printrbot Simple and it shrank about 2% so I added this to the measures. Now it fits snugly and the filter screws in with some care. Seen on the picture is a 52mm polarized filter from HOYA. Designed in SketchUp v.8 and v.2013 and the exported .STL is verified in Netfabb to make sure it is OK. The weight of the adapter is 7.4grams, the HOYA lens is 18.2 grams (useful stuff if you are into FPV/Aerial Photo)
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