Optics

A Dobsonian telescope is a Newtonian reflector type of telescope and is made up of an alt-azimuth mount and Sonotube. A Dobsonian telescope is a low-cost telescope that is designed to view deep...

Accessories to protect telescopes and make them easier to use are good investments. Buy useful accessories for telescopes with the shopping tips in this free video on home astronomy from a...

Use the Internet or local library to research astronomy. Find out where to learn more about outfitting telescopes in this free video on home astronomy from a telescope salesperson.

When choosing a telescope eyepiece, remember that more space between the eye and the lens allows for more adjustment possibilities. Compare different styles of eyepieces for telescopes with the...

Excellent quality telescopes can be purchased for less than $500. Save money when shopping for telescopes with the buying tips in this free video on home astronomy from a telescope salesperson.

In spite of all of those childhood warnings, telescopes can be used to look at the sun with the proper filters. Find out how to buy telescope accessories in this free video on home astronomy from...

A refracting telescope is the most common kind of telescope. Discover the difference between refracting and reflecting telescopes in this free video on home astronomy from a telescope salesperson.

A reflecting telescope should only be used for night sky viewing. Discover the difference between reflecting and refracting telescopes in this free video on home astronomy from a telescope...

Composite telescopes have greater focal lengths and more compact designs than standard telescopes. Find out how composite telescopes differ from other telescopes in this free video on home...

More expensive telescope mounts have smoother adjustment controls. Compare mounts for telescopes with buying tips in this free video on home astronomy from a telescope salesperson.

Dobsonian telescope mounts are commonly used for reflecting telescopes or Newtonian telescopes. Learn about Dobsonian mounts for telescopes in this free video on home astronomy from a telescope...

Equatorial telescope mounts allow users to track the earth's rotation. Find out about equatorial mounts for telescopes in this free video on home astronomy from a telescope salesperson.

Home telescopes can see many galaxies and star clusters, but images will not be as profound as space telescope images. Find out what a home telescope can reasonably hope to see from an observatory...

Schmidt-Cassegrain telescopes can collect frost or dew on viewing plates, but simple heating devices can keep viewing crystal clear. Care for Schmidt-Cassegrain telescopes with an observatory...

Telescopes with fork equatorial mounts rotate to follow the arc of the sun, not in straight lines. Learn how to use equatorial mounts for a telescope from an observatory director in this free...

Telescopes should be aligned on equatorial mounts, often centering on the North Star, to ease following celestial bodies over time. Align Schmidt-Cassegrain telescopes with an observatory director...

Telescopes can feature different eyepieces that change magnification and viewing options during telescope use. Learn different eyepieces for telescope viewing from an observatory director in this...

Telescopes that follow the design made by Sir Isaac Newton were coined Newtonian and have finding telescopes attached. Study Newtonian telescopes with an observatory director in this free...

Schmidt-Cassegrain telescopes use mirrors and lenses to form a telescope incorporating Newtonian mirrors and a redirecting lens. Study Schmidt-Cassegrain telescopes with an observatory director in...

Star charts and star wheels help home telescope users find and identify stars in the night sky. Learn to use star charts for telescope viewing from an observatory director in this free astronomy...

There are two main types of telescopes: refractor telescopes and reflector telescopes. Refractor telescopes work by using a glass lens, while reflector telescopes use several mirrors. In spite...

Finding the right astronomy club can lead you towards buying the best telescopes. Learn more tips for trying out telescopes in this free home astronomy equipment video from a telescope designer...

Stay away from these telescopes! Learn more buying tips for telescopes in this free home astronomy equipment video from a telescope designer and manufacturer.

Star parties are a great way to test out other telescopes. Learn more about socializing with other telescope users in this free home astronomy equipment video from a telescope designer and...

Discussion of how color filters can enhance your telescope experience. Learn more about buying accessories for your telescope in this free home astronomy equipment video from a telescope designer...

For on-the-go star viewing or birdwatching in your backyard, a grab-and-gun telescope may be ideal for you. Learn more about the uses of a portable telescope in this free home astronomy equipment...

Discussion of the varieties of telescope eyepieces available. Learn how to choose the right eyepiece for you in this free home astronomy equipment video from a telescope designer and manufacturer.

Binoculars may be the best starter telescope for you! Learn how to choose between binoculars and a telescope in this free home astronomy equipment video from a telescope designer and manufacturer.

A discussion of what make the best first telescope. Learn buying tips for telescopes in this free home astronomy equipment video from a telescope designer and manufacturer.

A telescope allows you to explore the skies and see well beyond the capacity of the human eye. The telescope has certainly come a long way from when Galileo first viewed the craters of the moon in...

All telescopes, other than some tabletop or simple refractor types, need a sturdy tripod for both security and optimal viewing. Most sizable telescopes are sold with a tripod, which may or may not...

A telescope is a link to the heavens, and depending on how much of an enthusiast you are, you're going to want to have it with you when you travel. The problem is, some telescopes are simply not...

A telescope must be focused to show a proper image. An out-of-focus telescope will show blurs or nothing at all. The first time you use a new telescope, it will most likely be out of focus. Get it...