Safe Solar Viewer
thingiverse
Print out and assemble this safe solar viewer for the upcoming solar eclipse by combining three copies of the common base with two lens holders and one screen holder. This simple system enables you to observe the sun safely. Based on plans provided by T.R. Richardson, available at http://richardsont.people.cofc.edu/safe_solar_folder/index.html This viewer is designed for use with a 38mm x 500mm fl objective lens (L1907D) and a 21 mm x -27mm fl Barlow lens (L3964), which can be purchased from surplusshed.com.
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