A Basic Primer on Focal Length

Author:
Publish date:

NoFilmSchool's Robert Hardy presents a primer on lens focal lengths and how it affects an image.

He writes, "Focal length is one of the more straight-forward aspects of lens design. In the simplest sense, focal length is the physical distance between the imaging plane (ie. the sensor) and the optical center of the lens. Focal length values--which are expressed in millimeters--are basic measurements of how wide or zoomed-in a particular lens is. Easy enough, right? Where things start to get more complicated, however, is with all of the different aesthetic implications that the focal length of a lens has on the the final image."

Read the full story here.

Related

Colonie - Logo Small

The Colonie Promotes Graham Chapman to Editor

The Colonie has announced that Graham Chapman has been promoted to editor, continuing the Chicago-based postproduction company’s long tradition of nurturing extraordinary young talent and developing its next generation of editors from within.

RTI_RTIXCEL_Experience

RTI Launches Multi-Tiered RTIXCEL Training Program

RTI, a leading control and automation manufacturer for residential and commercial settings, today announced that the RTIXCEL Training Program has officially launched. RTIXCEL offers a range of options designed to give custom installers the resources needed to master Integration Designer® APEX and gain a deeper knowledge of the technologies they use every day. RTIXCEL Online, RTI's new state-of-the-art learning system, delivers a comprehensive curriculum, allowing dealers to learn effectively at their own pace. Online learning complements other RTIXCEL training programs, including TechTalk webinars, on-site training held around the world, and the RTIXCEL Experience, a three-day, hands-on training hosted at RTI headquarters in Minnesota. These accredited courses give integrators education units for CEDIA and AVIXA certifications.

BenQ_InstaShow

BenQ Amps Up 21st Century Learning at TCEA 2019

BenQ, an internationally renowned provider of visual display solutions, will feature its purpose-built display solutions for education at the 2019 Texas Computer Education Association (TCEA) Convention and Exposition, Feb. 4-8 at the Henry B. González Convention Center in San Antonio. In booth 1562, BenQ will show educators interactive flat panels, laser projectors and collaboration solutions that will help transform the learning experience to drive success for every student.