The most familiar type of telescope is the refractor. It uses two lenses, one to collect the light and form an image, called ...

The Canon PowerShot Zoom digital monocular can take 12MP stills and can record HD video. But can it match the quality and ...

The most familiar type of telescope is the refractor. It uses two lenses: one to collect the light and form an image, called ...

Save $79 on a pair of the best binoculars for stargazing, the Celestron Nature DX 12x56 are 29% off at Amazon. Their ...

Slightly more portable and less expensive than a thermal imaging binocular from the same manufacturer, can just the one lens ...

The best binoculars for stargazing need high magnification and large, light-hungry objective lenses — check out our favorites ahead of Amazon Prime Big Deal Days. Ideally, the best binoculars ...

What we got was a lineup of 15 spotters in a wide range of magnification, objective lenses, sizes, and purposes. Our plan? To ...

Swarovski Optik has expanded its highly-regarded NL Pure binocular series by introducing two new models: the NL Pure 10x52 ...

As with any binocular, though, we’ll also want to be paying attention to core features including magnification and objective lens size. The bigger the objective lens, the brighter the image runs the ...

Turn the coarse focus so that the stage is as close to the objective lens as possible ... where the light passes through. Draw a low power image or record a digital image of what you see.