Optical instruments are how we see the world, from corrective eyewear to medical endoscopes to cell phone cameras to orbiting telescopes. Prior knowledge ... platform and Mathematica can be helpful.

The best travel telescopes let you take stargazing with you to enjoy night skies and night sighs no matter how far you roam ...

World’s largest optical mirror successfully installed on support system prototype for the first time to validate telescope’s extraordinary performance ... mirror mass simulator to demonstrate that our ...

from corrective eyewear to medical endoscopes to cell phone cameras to orbiting telescopes. The first order optical system design covered in the previous course is useful for the initial design of an ...

We've rounded up the best budget telescopes under $500 so you can enjoy October's spectacular comets, planets and more — whatever your budget. If you are on a tight budget, the best telescopes ...

The world’s largest optical mirror was successfully installed on a support system prototype for the first time to validate ...

This telescope is very sturdy in design, which is reflected in its weight. At 23 lbs (10.4 kg) the NexStar 4SE is far from the lightest on this list, nor is it the most portable, as its ...

The Keplerian design does have the downside of producing ... based entirely on what people could see with their eyes and ...

Discover the best telescopes for an unrivaled view of the cosmos — just in time for Black Friday savings. A telescope opens up a world of discovery, bringing the beauty and mysteries of the ...

It features a Newtonian reflector optical design with a 130mm-aperture that lets you see the clouds around Jupiter and the moon’s surface in great detail. This smart telescope comes with a ...

It's also a budget device, with its lightweight design and plasticky ... to keep images sharp when the optics move (which often happens to lightweight telescopes). What the DS1 does have, however ...