How to i build the eyepiece 20mm full coated with a photocopy lens

>> YOUR LINK HERE: ___ http://youtube.com/watch?v=Hftxs-KAzeM

2015 berlatih membuat eyepiece, 2017 publikasikan cara merakit eyepiece dengan bahan dasar lensa fotokopi Canon ir. D:20mm. Full coated!

#telescope #eyepiece #fullcoated #diy #fclens
#############################