1) What is the thermal expansion coefficient of thin plastic film?

2) Who makes aluminized mylar?

3) Are there better aluminized plastics?

4) How flat is aluminized mylar?

5) How many surface defects are there in a sheet of AM?

6) How shiny is AM?  Can it be made more shiny?
Can it be made with glass like reflectance?

7) What is the shape of a membrane
clamped by a circular ring subject to a pressure field?

8) What is the relaxation rate of AM?  How long can the TFT operate
without adjustment or replacement of the TF?

9) If you grind a spherical glass mirror, why can't you correct for the
spherical aberration with a smaller, less expensive lens at the eyepiece?