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 ...

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 ...

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 ...

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 ...

You can find objective lenses at low prices by searching online shops. For example, Mr. Niemchuk seems to have gotten the following objective lens from AliExpress. A mount adapter is required to ...

Optically flawless, 1.4x magnification, dreamy portraiture – the Sony 100mm f/2.8 macro is one heck of a lens ...

The Shiftcam 240mm Super Zoom Tele add mores zoom to any camera phone, but it also taske stunning macro shots when paired with 10x magnification lenses.

The Brightin Star MF 60mm F2.8 will be manual focus only – and designed for APS-C cameras. But because of this it will be ...