F-stop is a consistent way to measure lens aperture, and helps photographers control exposure and depth of field. It is noted with an f followed by a slash and number, for example f/2.8.

Q-I received a Nikon F3 with a 50 mm. lens as a gift. I`m unfamiliar with the lens and how to properly focus the camera. Can you explain it to me in a simple way? A-There are only two things on the… ...

According to this latest leak, the phone's primary 50 megapixel, 35mm camera module will feature a variable lens aperture. Where the current Z60 Ultra also boasts a 50MP primary camera, its ...

If you're not subscribed to Preston Scott's Camera Technica blog, you should be, and here's why: This is a video shot by Scott showing the aperture blades inside an SLR lens, opening and closing ...

But a variable aperture lens would offer more control in more circumstances. iPhone 17 or iPhone 18 A report from The Information back in the summer suggested that the new feature would be ...

Most of the newly added themes crop images to squares and present them in elegant and trim grids, according to Jolita Unguvaitiene, general manager of Graphic Node. However, the pack also includes ...

(Hint: A lens’ maximum aperture will be part of its model name, like a 50mm f/1.8 or a 24-120mm f/4.) Beyond controlling the amount of light, aperture determines an image’s depth of field (DOF).

In a major update to the camera system, analyst Ming-Chi Kuo says the iPhone 18 Pro's wide angle lens will be upgraded to have a variable aperture.

One thing I love about Micro Four Thirds cameras is that you can mount all kinds of lenses on them using simple, cheap adapters. In fact, I’m just about to sell my Nikon D700 because I almost ...