THE PERFECT ALL-IN-ONE EYEPIECE AND FILTER KIT: See more with your telescope! This expertly curated kit features the most popular 1.25" telescope eyepieces and filters, plus a 2x Barlow lens. The ...

OK, so you've put your hands on a decent starter telescope. We're not talking about one of the cheap 50 mm aperture "department store" scopes, but a good quality 4 to 6-inch aperture scope. You've ...

Enhance nighttime viewing with red-light flashlights that protect night vision. Improve telescope focus with a Bahtinov mask for sharper images. Capture celestial photos easily using a smartphone ...

I HAVE found the addition of a double concave lens to my telescope and microscope of so much service that I am anxious to call the attention of your readers to this simple application for increasing ...

As we all feel the squeeze of rising living costs and as budgets get ever tighter it might seem like buying a telescope is out of the question. Fortunately, with a little forethought we can shop ...

The magnification (or power) you will see through a given optical system depends on the telescope and the eyepiece. The simple formula is: Magnification = Focal length of telescope ÷ focal length of ...

With over a decade of experience at Which?, Tom covers everything from tech advice to money-saving tips and highlights the best deals during major sales events. A capable telescope can treat you to ...