First showing at Cine Gear Expo LA, the Astera QuikPunch is the first spotlight that takes advantage of the versatile ...

the Fresnel Small comes with what Profoto describes as a medium-sized 7-inch (200mm) diameter lens that " projects a clean, crisp light beam, perfect for precise lighting and movie-like effects".

the Fresnel Small features a compact and lightweight design, making it ideal for carrying out different on-location shoots. Despite its small size, it provides a powerful and adjustable beam, giving ...

Astera has a new light. The QuikPunch is a battery-powered LED PAR spot with a Fresnel lens designed for lighting professionals who need a fast, bright, and versatile light. Taking features found in ...

Fresnel lenses ... power is derived from tungsten disulphide’s unique quantum effects which allow it to absorb and re-emit light across certain wavelengths. To achieve this, WS2 takes in ...

In short, Fresnel lenses use short ... reveals that PSVR 2 is set to combat this effect by adding light-absorbing sections of each lens, either in the form of a mask covering the entire panel ...

For the upcoming PSVR2, though, Sony is transitioning to "a light, well-balanced Fresnel lens," according ... part of the lens in this manner has any effect on the clarity or apparent resolution ...

Making a glass Fresnel lens with its concentric rings requires ... is not perhaps the most efficient lens in terms of light focused per unit area of lens. From dredging up our highschool physics ...