Jaegers 6" f/10 "GJD" OTA Construction - Dew Shield (sanded with 600-grit)
 

 600-grit sanding of Dew Shield - 6 (Click to see an enlarged image.)

 
Wow! What a difference! The 600-grit Scotch-Brite pad has transformed the surface of the aluminum dew shield to a nice satin finish; good enough to move forward on applying the spray on finishes, starting with its interior.