- Joined
- Jul 10, 2015
- Messages
- 9,907
- Points
- 113
Hello,
Long time I was not here. Overal efficiency of this lens is 99,7% sometimes even better. Using two lens it is 99,4% quaranteed. We payed quite a lot for this coating.
I don't see any 6x pairs on your site, do you have any?