Telescopes

Telescopes and Equipment, The Moon

The history and future of telescopes on the Moon

Solar System, Telescopes and Equipment

Earth’s best telescopes have closed, but the hunt for dangerous asteroids continues

Space Exploration, Telescopes and Equipment

COVID-19 forces Earth’s largest telescopes to close

Telescopes and Equipment

The history of the Ritchey-Chrétien telescope

Telescopes and Equipment

Invitation to the Dark Side

Telescopes and Equipment

Telescope maker Meade files for bankruptcy

Telescopes and Equipment

How to care for your telescope

Telescopes and Equipment

Great telescopes of the past

Telescopes and Equipment

The story of PlaneWave

Telescopes and Equipment

How to collimate your telescope

Telescopes and Equipment

Meet a small, awesome imaging scope

Telescopes and Equipment

How does one determine magnification? I have an Edmund Scientific Astroscan, 4-1/8-inch aperture, F/4.2 reflecting telescope, used with a 2.5x Barlow lens and a 28mm Plossl eyepiece.