Sigma's new Aizu Prime Cine lenses have been announced, providing super-fast lens options for professional filmmakers ...

Sigma has announced a series of super-bright cinema primes, along with rebodied versions of its fast photo zooms.

Rumors about the aperture range remain unknown; however, Xiaomi recently did this, delivering an f/1.63 to f/4.0 range on the 14 Ultra. Previous rumors claim Samsung is working on 200MP telephoto ...

Choosing an aperture: Keep in mind that if you have a zoom lens with a variable aperture range (denoted as say, an 18-55mm f3.5-5.6 lens rather than 24-105mm f4), the widest aperture will decrease ...

This also impacts how much of an image is in focus, the depth of focus, with low aperture values meaning a smaller focal range away from the camera itself will be in focus, with the rest blurred.

This lens covers a range of focal lengths similar to that of Fujifilm’s kit lenses. But it has a bright, constant f/2.8 maximum aperture paired with a compact, lightweight design. It lacks ...

The aperture itself is limited by the sensor size ... and it’s capable of detecting cars up to 350-m away—a substantial increase in detection range compared to current-generation radar solutions.