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 ...

The magnification (or power) you will see through a given optical system depends on the telescope and the eyepiece. The simple formula is: Magnification = Focal length of telescope ÷ focal length of ...

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 ...

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 ...

A British nanotech invention has revolutionized the humble optical microscope by quadrupling its magnification power to a level far beyond what could previously be achieved with visible light. The new ...

Distant exploding stars observed by NASA’s Hubble Space Telescope are providing astronomers with a powerful tool to determine the strength of naturally occurring “cosmic lenses” that are used to ...

An exceptional component offered by Knight Optical – the leading supplier in high-quality, metrology-tested optics – is the Fresnel Lens; popular for a range of uses, from integration with traffic ...

Sony's first 2012 camera to have a transculent mirror is the Alpha A57, successor to the two-year-old A55 and available in stores in April. Shooting at 12 frames per second, it's a speedy model with ...

There are some types of projects that we see quite often here on Hackaday; 3D Printers, Development Boards and Video Game Hardware to name a few. Once in a while we see an optics-based project but ...

Knight Optical can offer you Stock and Custom Fresnel Lenses, for use within Magnification Displays in a range of materials such as PMMA Acrylic and Borosilicate. Our Fresnel Lenses consist of a flat ...