Zooms and Shakes and Flaws
There should be no aimless zooming in and out at any point in the video. The picture should be rock steady and in focus. Look in the corners of the picture for signs of camera shake. It will be there if the videographer has failed to use a tripod at some point. Some camera shake is permissible during such things as testimonials, but it really shouldn't be there given the fact that most professional editing software includes ways of eliminating it.
Dissolves and cuts should not reach the point that you cringe every time you see one. Some edited videography is frenetic, constantly cutting, zooming and jumping around as is the videography is on some kind of drug. I can't stand this kind of production, but alas, some people do. Try to figure out how many cameras are being used in the demo and whether each seems balanced with one another for color and sound.
If you watch any wedding video very closely you will always discover some flaws. Unfortunately, they cannot be avoided because the video is of a live event which cannot be exactly predicted. Also, equipment failure can happen at any time, but, it is the way the videographer recovers from these situations that will indicate experience.
The video you get is something that you'll want to keep, so you want something that is produced with as few flaws as possible. During one wedding, my assistant and I had to set up and break down three times because the bride and groom couldn't decide whether to chance a rain storm during the ceremony. In the end they took the chance but it resulted in some missed shots I had been planning on before the ceremony. Despite this, the video came out fine thanks to some judicious editing.
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