mugen1.1 stages edits. how to shrink characters using zoom and scale the stage without readjust camera and player position

[yaminogun]

what is the good value for zoom and xscale yscale value without need readjusting the player and camera position?

i have stage that only look good at localcoord 1280,720

the purpose i want to shrink character with zoom is because i want that character completely visible or is there any other solution?