Optical Surfaces Ltd. has developed a new compact beam expander that uniquely delivers high magnification (x30) from small aperture (2mm) high power laser beam lines. Traditionally the combination of ...

Accurate high magnification of small aperture laser beams has traditionally been a challenge because the optics associated with such a beam expander are difficult to test using an optical ...

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 ...

THIS communication describes a simple interferometric technique for examination of surface topography without the use of optical flats, the particular advantage being the possibility of using high ...

We tested precision scopes that cost a few hundred to a few thousand dollars and are ideal for ringing steel at extended ...

The Slow Mo Guys, a YouTube channel that has shot a number of slow-motion videos, including a slow-motion video of the moment when a shaped explosive explodes and a slow-motion video of the moment ...

German scientists have built a high resolution microscope out of Lego parts and components salvaged from a mobile phone, according to a recent paper published in The Biophysicist. They found that ...