You are talking about camera angles? The camera angle automatically zooms in and out depending on the player's position. Is this the answer you expected?
You should challenge stages with recommended power that is the same as or higher than your own power. Then you will be able to obtain higher power items.
So, can you try it with recommended power +10? It could also be important that you should equip the most powerful weapon, armor and artifact you have in your possible. This will increase your power.