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 ...

Learn how to determine the image location and height in lenses with this clear, step-by-step tutorial! This video explains the principles of lens optics, including magnification, focal points, and ray ...

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 ...

The iPhone 6 and iPhone 6 Plus, are capable of taking superb photos straight out of the box and the fixed lens gives you great quality images in most situations. However, there’s only so much you can ...