Telescopes are specialist optical instruments that have been around for over 400 years and are useful for many applications including seafaring, military operations and especially stargazing. But not ...
Telescopes gather and focus light using precisely-shaped mirrors and lenses (or a combination of both). The larger the telescope’s main mirror or lens, the more light is gathered and the more detail ...
Astronomy magazine's April 2004 issue featured a review of Konus U.S.A. Corp.'s Motormax-130 HM, a 5.1-inch (130mm) f/15.4 Maksutov Cassegrain telescope. The telescope boasts a 2000mm focal length, ...
This review, “Celestron’s Advanced Series Telescopes,” appeared in the August 2004 issue of Astronomy magazine. The first go-to telescopes, introduced a decade ago, had one thing in common: they were ...
I'm often asked to recommend a telescope, especially around the holidays, when gift-giving is on our minds. Today I'll share a few suggestions, but before we talk specifics, let's look at the ...
If this is the easy part of making a complete reflector telescope from a single piece of glass, we can’t wait to get a load of the hard part! A little backstory may be in order for those who don’t ...
Over the years of writing this column and putting on astronomy and stargazing presentations, I’ve received inquiries from many nice folks about purchasing a telescope for themselves or that special ...