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 ...

Age-related macular degeneration (AMD) is the leading cause of blindness among older adults in the western world. Unfortunately, conventional optical aids provide little help for a retina which has ...

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 ...

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 ...

In addition to wide-angle and fish-eye lenses, the new Olloclip 4-in-1 tacks on two macro lenses for your iPhone. Lynn La Senior Editor / Reviews - Phones Lynn La covers mobile reviews and news. She ...