Here’s how it works. The mystery ultra-wide prime could have a f/1.4 aperture It could be Canon's widest prime lens for mirrorless yet There are no details of an expected launch date yet Canon ...

Alcon, a global leader in eye care, has launched a new campaign ‘Switch to PRECISION1’ to introduce its next-generation daily disposable contact lenses, designed for all-day comfort. The advertising ...

A SCHEMATIC diagram of the experimental setup and a photo (inset) of the actual setup. A glass slide coated with a substrate made of electrospun PVC fibers makes for a hydrophobic surface where ...

As with every conclave to elect a new pope, this one is surrounded by all kinds of speculation. Will the conclave that begins May 7 elect a new pope in the mold of Pope Francis, or someone more ...

An inquest jury has called on OC Transpo to filter every decision about buses, infrastructure and training through a “safety lens” to protect passengers from the kind of accident that killed ...

One of the most common culprits? Rubbing your eyes in a way that shifts the lens around. Accidentally inserting an inside-out contact can also make it more mobile in your eye and make you more lik ...

As a contact lens-wearer for nearly two decades, I’ve learned that ordering contacts online is both cheaper and more convenient than buying them at the optometrist’s office. Having purchased ...

7.5MM F2.8 fisheye mirrorless camera lens, lens structure of 8 groups and 9PCS. Upgraded product, optimizes the light way for clearer imaging. Z mount, suitable for Nikon Z6 Z7 Z50 and other ...

that is it changes direction due to the change in density. Lenses are used in cameras, telescopes, binoculars, microscopes and corrective glasses. A lens can be converging (convex) or diverging ...

This heron, along the Skagit River, was in the right place... A fisheye lens, with it's wide-angle view, provides an interesting perspective inside the tropical setting of The Spheres at Amazon.

TREDYFFRIN TWP., Pa. (WPVI) -- UPDATE: Conestoga High School teacher facing 63 charges for allegedly having sex with student An investigation is underway involving Conestoga High School in Chester ...

Save guides, add subjects and pick up where you left off with your BBC account. The centre of the lens is called the optical centre C. In a ray diagram, a converging lens is drawn as a vertical ...