The QuikPunch is a battery-powered LED PAR spot with a Fresnel lens designed for lighting professionals who ... or to slightly soften a cut-off background. The combination of bright output and a 60º ...

The biggest stories of the day delivered to your inbox.

Erik is an 18 time Emmy award-winning DP, with over 20 years experience in photojournalism, working in newsrooms all over the USA. The last decade has seen Erik migrate into broadcast television and ...

Get article recommendations from ACS based on references in your Mendeley library. Pair your accounts.

A few decades later it received the lens it currently uses: a first-order Fresnel lens. Lighthouse buffs may know that the Fresnel lens is called 'the invention that saved a million ships.'During ...