It also explains in good detail why you might want to start with a simple Newtonian reflector setup on Dobsonian mounts if you’re crafting your first telescope, in no small part because mirrors ...

Thin, simple diffractive lenses are notorious for their ... But if you could improve their clarity, using diffractive lenses instead of mirrors or refractive lenses would allow a space telescope to be ...

Refractors on simple alt-azimuth mounts are essentially ... As their name suggests, reflector telescopes use mirrors instead of lenses. They are basically a tube, open at the front, with ...

Keep in mind: This telescope comes with a small Dobsonian-type mount, a simple mount that can sit ... because they make high-quality lenses and mirrors. As Adams says, “Celestron, Meade, and ...

As the scientists will explain in a new paper to be published in The Astrophysical Journal, a proposal that was originally submitted to NASA back in 2008 for a “Lunar Liquid-Mirror Telescope ...

that means that the telescopes' primary mirror is 6.6 meters across. The bigger the primary mirror of a telescope is, the more light it can collect at one time. A larger mirror can collect more ...

The telescope began as a relatively simple device, born out of optical experimentation. It combined a series of lenses and mirrors to collect and magnify light, allowing the user to see far away ...