Gcc
Quote:
Originally Posted by Bobbyoutback
Hello ,
My calculations say the supplied secondary is oversized for a 12" F/5 system ,
I can drop down a bit ( secondary size ) to get less visual defects by going to 20% central obstruction .
Cheers
Bobby .  |
Work out the area difference between the two and you will find it is a very very small percentage of total area. And I bet the difference between your current secondary and you envisioned reeplacement will make no practical difference.
Alex
Buy more silver with your savings
Alex