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 ...

The 2x new 90mm macro lens from Lawoa, paired with Micro Four Thirds cameras, creates an “incredible” 4x magnification equivalent ...

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 ...

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 ...

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 ...

This article is the third in a series teaching the basics of photography. We started by learning about the properties of light and how an image is created, and we also learned how a lens bends light ...

Macro lenses provide a unique ability to magnify tiny details to their true-to-life size, or at times even larger than life. They can reveal details our eyes may not be able to pick up on, allowing us ...