Aperture Flicker Problems When Shooting DSLR Video
http://manwiththe5d.blogspot.com/ - Aperture flicker is a phenomenon of zoom lenses with electronically controlled, variable maximum f-stop ratings. Though not a problem in photography, it presents a particular issue for video production.
An extension of the my post about aperture flicker at Man with the 5D, which can be found at the following link: http://manwiththe5d.blogspot.com/2013...
-Kurt