In most cases, changing a lens will not require adjusting the back focus of a lens. But when a lens does not hold focus at both ends of the zoom range, you may need to adjust the back focus. By adjusting the back focus, you are changing the distance of between the...
video technology
What Is Interlaced Video
and Why Should I Care? By Doug Graham and Morris What do people mean when they talk about "interlaced video", and why is it important? Interlaced video is a technology that was developed in the early days of television, to fit a watchable picture into the available...
Marketing With Digital Video, Description
How To Produce Highly Effective Business Videos for Corporations, Small Business, and Non-Profits Item #101 145 pages $19.95 by Hal Landen Buy The Book Here Summary description: If you have been shooting and editing video and would like to use those skills to produce...
Video Master Glossary F – Z
Go to previous section of glossary A - E F.C.C. Federal Communications Commission. The U.S. Agency which governs radio and television broadcasting. FADE A video picture that gradually increases or decreases in brightness usually to or from black. Sound can also fade...
Video Master Glossary A – E
EDITOR'S NOTE: We have tried to make this comprehensive and accurate. Please submit any corrections or additions by email to the address below in the footer. Go To next section of Glossary F - Z A/A ROLL EDITING Editing from a single source VCR using a freeze frame as...
Video Recording Formats
By Mika Iisakkila Comments and corrections are welcome to me by e-mail. My email address is [email protected] Contents Notes on specifications and nomenclature Analogue recording formats Uncompressed digital formats Digital formats employing compression...
Engineering Primer
by Hal Landen With Special Thanks To Larry Jandro, LJ Video Engineering and Rentals. Composite Video Signal Waveform Monitor Vectorscope Proc Amp THE VIDEO SIGNAL In the U.S., the video picture is composed of 525 horizontal lines. These lines are created by a beam of...
Video Tidbits
By Adam Wilt Editor's Note: Special thanks to Adam for his work on this article. Also see Adam's excellent article on DV Formats. For more articles by Adam and for information on his Engineering and Production Services, please visit Adam Wilt's Web Site. To contact...
DV Formats: Everything You Need To Know
By Adam Wilt Editor's Note: Special thanks to Adam for his work on this excellent article. For more articles by Adam and for information on his Engineering and Production Services, please visit Adam Wilt's Web Site. To contact Adam by email go to the bottom of this...
Blu-ray, the Hi Def DVD
DVDs were originally designed for a 135 minute Standard Definition movie and the movie is only slightly compressed in standard definition video (480 x 640 pixels, 30 frames a second in NTSC). At this rate a conventional 4.7 gig DVD holds a full length movie and a few...
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