How to choose the right lens Most standard zoom lenses give a maximum magnification factor of about 0.3x. Zoom lenses, and even some prime lenses with a ‘macro’ badge, give a greater magnification of ...

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 ...

If you're new to optics, you might find that choosing among machine-vision lenses is a daunting task. But if you understand 10 key specifications, you can easily select the appropriate lens to ...

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 ...