Here is a chart that I found online containing focal lengths, f/d ratios and some miscellaneous info for BUDs from:
KTI (Kaultronics)
Orbitron
Paraclipse
Patriot
Perfect 10
SAMI
Unimesh
Winegard
I cannot verify the accuracy of this data, use at your own risk.
KTI (Kaultronics)
Orbitron
Paraclipse
Patriot
Perfect 10
SAMI
Unimesh
Winegard
I cannot verify the accuracy of this data, use at your own risk.