DIY telescope death ray. ... This is the first in a series of tests for developing an optical telescope mirror from a strash can lid. The optical aberration is dramatically reduced with the addition of a shroud creat
by funDIYprojects
by Mrs_Alberts
by Nora G's Nook
by LikeWowLala
by mylifeas favour
by Teslaundmehr
by BeautybyTommie