Skywise Unlimited

The stars in the constellation Reticulum represent the tiny network of lines in a certain type of telescope eyepiece. They are engineered into a lens element and are akin to the cross-hairs in a rifle scope. In this case they are not only used for aiming, but also for measuring angular separations, and in modern […]

Have you ever discovered a telescope eyepiece in the pocket of your pajamas? Have you ever measured your roof for a dome? Do you know how to pronounce Cassiopeia? If so, you may have wondered, “is there hope for someone like me?” The answer is no. But you can help others learn the basics of […]

Meade Lightbridge Dobsonian Surrier Truss Telescopes A dobsonian telescope consists of optics which were designed by Isaac Newton in the 1660’s, on a mount popularized by John Dobson in the 1960’s. They say more than half of all amateur scopes are of this type and I believe it. Many people make their own, as I […]