It would appear you most certainly can, and with a simple bridge camera, with the aircraft allegedly at 38,000:
https://www.youtube.com/watch?v=nu18uDHzMzA
How does this support or dispel the YouTube video of the incident?
Neither I'd suggest, several posters with more expertise than me in video editing have pointed out that the pattern of movement in the Isis videos is strange and advanced the opinion that the video(s) is a composite and a poor one at that.