Less kickstarter-y webpage: http://neolucida.com/ http://neolucida.com/ I have one of these. It arrived recently; I haven't really tried it yet, but will soon.

Less kickstarter-y webpage: http://neolucida.com/ http://neolucida.com/ I have one of these. It arrived recently; I haven't really tried it yet, but will soon. Wikipedia: http://en.wikipedia.org/wiki/Camera_lucida http://en.wikipedia.org/wiki/Camera_lucida -- it notes the basic optics were described in 1611 by Kepler.