Editor's note Nov 28. — It's labeled as a Black Friday deal, but it was $30 cheaper last week. The 5-inch variant of this ...

These Black Friday telescope deals ... two eyepieces (25mm and 10mm) a 3x Barlow lens for up-close views of night sky objects, phone attachment and Bluetooth control, a finder scope and an ...

Observe the moon and planets up close with this reflector telescope from Celestron — now $246.49 at Amazon for Black Friday.

The telescope ships with a fully adjustable steel tripod, finderscope, 20mm and 10mm eyepieces ... a finderscope and a 3x Barlow lens. It also boasts an easy-to-use alt-azimuth mount, which ...

7Artisans has announced the 10mm F2.8 II, a full-frame fisheye lens for Canon RF, Nikon Z, Sony E and L-mount camera systems, which replaces the company's existing 10mm F2.8 lens. 7Artisans suggests ...

The discovery of the first known double gravitational lens has been made with help from observations by NASA’s James Webb Space Telescope, revealing unique zigzagging streaks of cosmic illumination in ...

If you're fed up with the high cost of camera lenses, help may be at hand. Ari Jaaksi, a photographer in Finland, built his ...

I know for sure there's a reason why the best 100-400mm lenses are so consistently popular. These versatile telephoto zooms are some of the most flexible lenses you can buy in terms of subjects they ...

I know that Canon still only produces a few RF-S lenses tailor-made for the EOS R10 but this needn't be a deal-breaker. That's because the camera can also be fitted with regular full-frame RF lenses, ...

Reborn for Modern Filmmaking: Meticulously rehoused with modern cinema housings by GL Optics, these lenses retain their unique optical characteristics while offering seamless compatibility with ...