This used to be a top-of-the-line telephoto zoom (it was the first AF 80-200 2.8 Nikon produced) and the build quality is excellent. However, it's not super good for video because the "focus breathing" is so bad (the image changes size as you focus, etc.). Lower cost 70-300 lenses such as the Promaster I've been using, are MUCH better for video, as some are even parfocal. (One thing to note about those, is that even though they don't have a constant aperture, you don't normally zoom while shooting.) This lens is also heavy and slow to operate. It's slow because of the push-pull zoom, and because of the focus (there is a focus limiting feature that helps with that). Optically, it's a great lens, and though each lens-sensor combo usually needs some work to look its best.