Laowa appears to be working on a new macro lens. This in itself isn't particularly noteworthy, as according to the official Venus Optics website (the parent company of the Laowa brand), there are ...

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 ...

Most consumer point and shoot digital cameras say something like, "5x optical zoom," or "9x optical zoom" on the box. But, when you move up to micro-4/3s and SLRs, you lose that. It makes sense - the ...