While it may be hard for some enthusiasts to get excited about a projection screen, the fact is that they can play a huge part in making (or breaking) your viewing experience. The Da-Lite Tensioned ...
BBC Sky at Night Magazine on MSN
Turn your telescope into a solar eclipse projector! How to make a solar projection screen for observing the Sun or a solar eclipse
Safely record features moving across the face of the Sun with this simple device.
Some results have been hidden because they may be inaccessible to you
Show inaccessible results