Restricted viewing field

We need the photo frame in a waiting area. The viewer is seated and the picture frames hanging in about 2 m distance to the wall. One looks at about 30 degrees up on the picture frame. There is no external light rays from the windows, etc.
From this position, large areas are spiegelig black and you can not see much, in any case, the quality of the images / videos is much worse than in direct top view. For us as useless, that we have sent him back again. Also appears in front of each new video filename, which looks very ugly.
Too bad, because the picture frame looks good and is easy to control with the remote control and the load times are fast, fast-motion video are displayed smoothly. The casing is very flat and would make visually quite well on the wall.