Yes, the mirror WILL reflect more light. I'm not talking about diffused or focused, just LIGHT as in photons. Re-read the original post. If that wasn't the case, then telescopes would use something else.

Also, telescope mirrors are concave, not convex.
stickygreenlightsabr Reviewed by stickygreenlightsabr on . reflectivity paradox ok heres something to think about take a hand mirror and take something painted flat white and go outside in the sun and see if the flat white thing reflects more light than the mirror I havent tried it yet but im willing to bet the mirror reflects more light and can reflect it much farther. the reason you can see yourself in a mirror in the first place is because it reflects light so well. I can garantee if you compare your reflection with a mirror vs. mylar that you can Rating: 5