Swarovski Optik’s new AX Visio binoculars use image-recognition algorithms and GPS data to discern the species of whatever ...

November’s major meteor shower ramps up as the Moon reaches perigee shortly before its Full phase in the sky this week.

Stats. Data. Analytics. Football is more than a game of physical aggression. It’s also about numerical aggregation.  Coaches, ...

ARCADIA — Every time a field of thoroughbreds breaks from the ... Curtis Treece, peering through binoculars, starts by quickly reciting the horses’ saddle-cloth numbers in their early running ...

In binoculars, the tail stretched across the 7 degree field, similar to the extent recorded ... See below for my sky-charts showing you exactly where and when to find the comet.

The best monocular devices on the market offer a lightweight alternative to binoculars. Try using one this month to view a rare comet ... the wide-field ED optics use the most recent multi ...

But there are comets every month to look at if you have binoculars," stated Schierle. To view the comet before it jettisons itself ... in a few days Ophiuchus," instructed Schierle. The chart below ...

And when it comes to prime lenses, the standard 50mm focal length is often seen as all but essential for shooting with a full-frame camera, as it gives an entirely natural perspective and field of ...

And given that the depth-of-field is shallow from the get-go with this zoom ... especially at the effective 1200mm when the angle-of-view is a mere 2.1° – which can make finding your subject a bit of ...