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 ...

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 ...

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 ...

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 ...

SYDNEY—After previewing the lens at the 2018 NAB Show, Fujifilm has announced that it will make its Fujinon UA46x9.5BERD” (UA46×9.5) lens available in January 2019. At 46x zoom, the company says the ...

Brightin Star 60mm f/2.8 manual focus 2x macro lens launches this week in multiple mirrorless mounts ...

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 ...