Does using seperate cameras for each viewportFrame case performance issues?

As the title says, I’m wondering whether or not using a separate camera instance for each viewport frame will cause a difference in performance.

Lets say I have ~50 viewport frames to preview certain models. These models are static unless you hover over them which causes them to rotate. Will it be good practice to use the same camera instance for multiple viewportFrames when possible? or does is barely make a difference if any at all?