We tested the best binoculars from NOCS Provisions, Celestron, Nikon, Maven, and more to help you find the best option for ...

We recommend looking for at least a magnification of 7x or 10x, along with an aperture of at least 42 mm when you're buying your Celestron binoculars. You should also choose a Porro prism design ...

[For example, 12x60 binoculars produce 5mm exit pupils; 8x60 binoculars give you 7.5 mm of exit pupil.] The key is: Exit pupils should roughly match your eyes' pupils. And eyes change with age.

Our picks for hiking binoculars range from 25 mm to 32 mm lens diameter. Most manufacturers report out the field of view (FOV) as both an angle and also a length. A wider field of view is great ...

The study, "Color astrophotography with a 100 mm-diameter f/2 polymer flat lens," appears in Applied Physics Letters. This technology could transform astrophotography imaging systems ...

We put Starfield Optics' flagship Géar telescope — the Starfield Géar 115 Triplet APO — to the test. It did not disappoint.

Most people looking up for tonight's lunar eclipse will probably only have a smartphone to snap a photo. Here are tips for ...

Scientists have discovered two enigmatic icy objects in deep space that defy explanation. Unlike typical interstellar ice ...

The Catalonian filmmaker talks about his latest feature, revolving around subjects such as fate, death, cinematic fiction and ...

On the night of March 13 to 14, 2025, a lunar eclipse will occur in Montreal resulting in a blood moon—no special glasses ...

A team of scientists at the University of Utah has designed a flat lens that matches the power of traditional curved lenses ...