Phase One adds a new 40mm version of its XC camera, costing $20,000 – or $63,000 if you want the digital back as well!

Astronomers have constructed telescopes of every kind - massive observatories designed to pick up faint traces of light ...

Focal length is the optical distance in millimeters between a camera lens and the sensor or film. It determines the height and width of the scene being captured, known as the "field of view." ...

A suitable pair of binoculars (in the range of 7 X 50 to ... To calculate the magnification of your eyepiece, you must divide the focal length of your telescope (measured in millimeters, 'mm ...

Discover why some people close one eye when aiming at a target due to binocular rivalry explained by a neurobiology professor.

You can take stunning images while birding, even with an entry-level camera. Here are our top picks, from basic workhorses to ...

Every issue is packed with photo tips, kit reviews and inspiration ...

McRae holds up a resolution wheel, which he used as a focal target during the low-light test ... erector system that probably tracks imprecisely and is prone to failure. A binocular that exhibits ...

Looking for the best telescope deals? We've rounded up the best deals on the market ahead of Amazon's Prime Big Deal Days on ...

They haven’t got a pot to piss in, and yet they’ve got $2,000 binoculars hanging around their necks.” Well, yes, some do. But plenty don’t. My Colorado mule deer guide last year had Vortex ...

How well do you know the night sky? If you struggle to tell one star from another, a new pair of augmented reality binoculars may be for you. Aimed at astronomy enthusiasts wanting to explore the ...

When you use links on our website, we may earn a fee. A pair of binoculars is a must-have if you want to make the most of a trek through the wilderness, get an up-close view of an athletic event ...