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 ...

Olympus has added a new super-zoom to its range, the M.Zuiko Digital ED 12-200mm F3.5-6.3 super telephoto zoom lens, offering up to 16.6x magnification for Micro Four Thirds cameras. Promising to be ...