Dark Spots?

Hi everybody,
Today was my first day out shooting with the camera and I noticed a dark area on the screen while filming. I thought it might have been the lens but I cleaned the lens at it was still there. Tried some different lenses and the spot was still there.
https://www.box.com/s/wnbeqh1qgs5eafs835m1
https://www.box.com/s/ayteq59x3eb52fn06v0p
Any ideas? Dust on the sensor? Any insight would be appreciated. Thanks!
Today was my first day out shooting with the camera and I noticed a dark area on the screen while filming. I thought it might have been the lens but I cleaned the lens at it was still there. Tried some different lenses and the spot was still there.
https://www.box.com/s/wnbeqh1qgs5eafs835m1
https://www.box.com/s/ayteq59x3eb52fn06v0p
Any ideas? Dust on the sensor? Any insight would be appreciated. Thanks!