|
Hi Ken,
The Celestron GPS11 with f3.3 focal reducer = fl 924.
I recently aquired "Hyperstar" formally Fastsar.
That fits to the front of the C11 and repalces the seconadry.
The system is the f 1.8 anf fl = 504. Very fast like a Schmidt Camera.
Can't wait to try it out
Gerry
|