Though still only in the prototype stage, this flat lens could one day be used on space telescopes, and perhaps even on ...

GFX100RF is the first camera in the GFX System to feature a 4-stop ND filter built in, useful for image creation at maximum aperture in bright environments or with slow shutter speeds. The leaf ...

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

How do you fully capture the awe of Niagara Falls? Premjith's approach was to take to the skies in a helicopter ...

Nocpix is redefining thermal optics with the all-new QUEST binoculars, delivering a seamless, dual-eye viewing experience for enhanced comfort and clarity. Unlike traditional thermal monoculars, the ...

The best binoculars for kids interested in stargazing and spotting wildlife in their backyard and beyond — from educational toys to quality optics for all ages. Whether they’re exploring the ...

A rare grouping of 10 celestial bodies is captured in a stunning new photo taken during last weekend’s great planetary parade ...

\(power \ of \ a \ lens \ (D) = \frac{1}{focal \ length \ (m)}\) A lens has a power of -3.33 dioptres. Calculate the focal length and state what type of lens it is.

Its powerful 10x magnification and 42mm objective lens ... binoculars. Nonetheless, this Vortex monocular remains our top choice for those seeking unmatched optical quality and versatility in a ...

Most telescopes use a single eyepiece. Binocular literally means "two eyes ... The second number is the metric diameter of the big round glass lens at the front. So, "25 by 70" means an instrument ...

Then, while grasping the barrels firmly with your hands, move them either closer together or farther apart until the images seen by your eyes form a single circular ... of your eyeglass lens to be as ...

Enter the Kenko VC Smart Cellarto 10x30 WP binocular. Photographers will know this brand because of Kenko’s Tokina lenses, but the main talking point ... we’re told the single AA battery should last ...