Wow! I had to google that. I thought that a true holographic sight was on target if the dot was on, but you are right." Like the reflector sight, the holographic sight is not "parallax free", having an aim-point that can move with eye position. "No wonder I could never hit anything when using one. Even the $500 stuff has this problem. Good on you!P.S.The screen protector seems like a good idea.