What do binocular numbers mean? may seem like a simple question. But the truth is that it can be as simple or as complicated as you want. If you’re just talking about the numbers in “10×42” or “8×32,” ...

The magnification (or power) you will see through a given optical system depends on the telescope and the eyepiece. The simple formula is: Magnification = Focal length of telescope ÷ focal length of ...

Laowa appears to be working on a new macro lens. This in itself isn't particularly noteworthy, as according to the official ...