Watch the video: What is focal length? Take two 50mm lenses: an f/1.8 and an f/1.2. Even though they both have the same 50mm focal length, they're not the same physical length – and neither of them is ...

Because 24-70mm and 70-200mm are so last century ...

Perspective in an image is all about the relationships between objects in the scene; specifically their relative sizes and positions … Perspective in an image is all about the relationships between ...

* The appearance and specifications of the products are subject to change. * Sony E-mount lenses are developed, manufactured and sold in accordance with the E-mount specifications licensed under a ...

The vivo X300 Ultra has a unique 35mm primary camera. It's something most other Android phones don't have, and it's a ...

SEATTLE—Primes are single focal length lenses, which can be designed with a relatively few optical elements and thus are capable of transmitting a lot of light to the film or digital camera sensor.

Replay: Do we really need to keep using 35mm as our baseline for focal lengths, or is there a much better way? Why do we keep reading descriptions like ‘3.7 mm to 92.5 mm (equivalent to 28.8 mm to 720 ...

When most of us talk digital cameras, we talk megapixels, ISO, image noise, shot-per-second speed and image processing. We’re tech geeks. But really, none of that ...

What just happened? For photographers tired of lugging around multiple heavy prime lenses, Korean optics company Samyang offers a neat new solution that could seriously lighten their camera bags.

Focal length is the optical distance in millimeters between a camera lens and the sensor or film. It determines the height and width of the scene being captured, known as the "field of view." A prime ...