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 ...

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.

Photography is full of fancy terms and complicated science, but we are here to explain it all to you in simpler terms. Today we are focusing on focal length. This term gets thrown around often, ...

This article is the third in a series teaching the basics of photography. We started by learning about the properties of light and how an image is created, and we also learned how a lens bends light ...

* 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 ...

My favorite part of watching the Olympics was viewing the long telephoto lenses used by the photojournalists, and dreaming of ...

On February 3, 2016, Sony announced a new camera, three new lenses, and two teleconverters. The media jumped all over the specs on the new Sony a6300 mirrorless camera, and with reason, but they all ...

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 ...

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 ...