If you're a new telescope user, you might be happy using the default eyepiece(s) that your telescope comes with. But upgrading to something better can make a world of difference, opening up your ...

Compact binoculars are notoriously antsy; in this Nikon Stabilized Binocular review we take a look at how it's solving that ...

The 5 Primal spotting scope is a compact, angled-viewing optic designed to be as condensed as possible.

The result was that the image magnified by the convex objective lens was further magnified by the now-convex eyepiece lens. The only problem was that the resulting image was upside down.

In this Celestron AstroMaster 130EQ deal the tripod and mount come pre-assembled, and you also get a 10mm and 20mm eyepiece, a StarPointer red dot finderscope and free Starry Night astronomy software.

The Celestron NexStar 8SE is on offer for $300 off ahead of Black Friday, which is cheaper than when it was on offer over Prime Day.

I wondered. One important number associated with every telescope is its focal length, or the distance the light travels after ...

The UK's National Health Service (NHS) is piloting an iPhone-based imaging device to detect throat cancer, aiming to reduce ...

The 7x50IF HP WP Tropical have an RRP of ¥187,000 ($1,200 / £950 / AU$1,850 approx). Scale image to represent eyepiece image ...

An adapter which plugs into an iPhone to check for throat cancer is being piloted by the NHS in the West Midlands. The device ...

A medical technology trial using iPhones in the detection of throat cancer is being undertaken by the NHS amid a surge of ...

Officials hope the new gadget and app will allow thousands of patients to be given the all-clear from the disease much faster ...