Circular polarized light that emerges from the polarizer is reflected by the partially-reflecting mirror with an intensity ... Clear aperture: describes the surface area of an optical filter which is ...

If you're looking to enhance the contrast and colours of your photos while minimizing glare, investing in a polarizer filter is a wise decision. This small yet powerful tool can cut down hours of ...

The polarizer and phototransistor taped to the iPhone. [Dave] wrote to tip us off about [Paul Wallace]’s take on the same idea, a DOLPi-inspired polarimetric camera using an iPhone with an ...

This is a combination of a neutral density filter and a circular polarizer, eliminating the need to carry more filters for those who often shoot with both. This would be particularly useful for ...

From the best travel camera to the tripods, bags and accessories to consider, this is what you should keep in mind for your ...

Moment has just unveiled an evolution from their snap-on filters called the QuickLock Filter System. Compatible with iPhone ...

A Wollaston prism, inverted by William Hyde Wollaston, is an optical device that manipulates polarized light. It separates randomly polarized or non-polarized light ...

Cary Wolinsky and Bob Caputo have a combined 64 years of experience photographing stories for National Geographic and other publications. Along the way, they learned a thing or two about making ...

There have been other projects that use polarized light for specific applications, but this is the first we’ve seen of a software-controlled polarizing camera intended for general use that could ...

Rich Scherr is a seasoned journalist and editor who has traveled across the U.S., Canada, and Europe, and spent more than a decade reviewing hotel room.