Venkatesh Rao@vgr·Mar 21, 2022Optics starter kit. Concave and convex mirrors and lenses, a prism. Can’t find a cheap decent collimated light source. Might have to make one7329
Venkatesh Rao@vgrReplying to @riemannzetaYeah that one’s red. But I want broader spectrum too.6:09 AM · Mar 21, 2022