This aperture diagram shows the relationship between the f-stops, designated by numbers 2, 2.8, 4, etc., and the size of the corresponding aperture. In any sequence of f-stops, you are either doubling ...

We were unable to process your request. Please try again later. If you continue to have this issue please contact customerservice@slackinc.com. Back to Healio Patients with Bothnia dystrophy showed ...

To test the functional near vision of patients after presbyopia-correcting surgery, one study used a common visual task: reading the newspaper. With fonts correlating to standard visual tests, ...

A team of scientists at the Harvard School of Engineering and Applied Sciences has developed a radical new technology which could replace the bulky optical components we use today with an ultra-thin ...

A study on ground squirrels shows, not only do mitochondria produce bioenergy in the cone-shaped photoreceptors in the retina of the eye, they also act as micro-lenses that redirect light to the ...

When it comes to purchasing a lens for your digital camera, the sheer number of options, specifications, acronyms, and features is enough to make anyone throw up their hands in frustration and resort ...

Chemical bonds within the eye-lens protein gamma-B crystallin hold the protein together and are therefore important for the function of the protein within the lens. Contrary to previous assumptions, ...

As you start to shop for lenses, you'll come across the terms "prime" and "zoom." But as with most gear decisions, understanding what those are, what their impact is and what you should choose isn't ...

Take a peek at the sweet specs on this brand new camera from Samsung. It's the newest addition to the NX family, the NX11. It's similar to the NX10 in that it's got a mirrorless interchangeable lens, ...

SEOUL, South Korea--(BUSINESS WIRE)--Samsung Electronics Co., Ltd, a global leader in digital media and digital convergence technologies, today announced five innovative new lenses for its NX camera ...

Samsung has announced a firmware upgrade to its small interchangeable lens NX10 mirrorless camera that gives it compatibility with the company’s new i-Function lens technology. Making its first ...