When Steve jumps up to the villain's bedroom window, the room is brightly lit, yet when he lands on the sill and peeks in, the room is only moderately lighted.
When Steve bends the drain pipe, there is another hand holding the pipe further down, almost out of frame.
After leaping up to remove the material he used to block the camera lens observing his lab, Steve jumps back down to the floor, but does so right in front of the camera, risking being seen on the monitors.