Canon's RF 16-28mm F2.8 IS STM offers ultra-wide versatility, 5.5 stops of stabilisation, and lightweight portability for ...

Canon’s RF 16-28mm f/2.8 IS STM is a full-frame wide angle zoom with weather sealing, IS and a budget-friendly price ...

Abstract: The performance of aspheric optics is important for optical imaging ... For different radii of curvature optical elements, the method achieves measurement standard deviations as low as ...

Compact, lightweight, and optically excellent—this palm-sized Viltrox lens empowers beginners and creators alike. Built for APS-C cameras.

Using a computer model of the retina, researchers have been able to trace the cause of the expanding hole illusion ...

The next generation of atomic clocks "ticks" with the frequency of a laser. This is about 100,000 times faster than the ...

The RF 16-28mm F2.8 IS STM is Canon's newly launched ultra-wide full-frame lens offering powerful creativity, a fast f/2.8 aperture, 5.5-stop optical image stabilization, and a compact design for ...

Optical illusions are more than just captivating ... These tests typically involve looking at a carefully crafted image where multiple elements are hidden or blended. What you see first or how ...