Thread: Help with IOR Valdada 6-24x50 scope

https://www.valdada.com/

Or try Scott at liberty optics in the states, he was one of the original retailers
https://www.libertyoptics.com/

I would contact them and ask.
IIRC depending on the age of the scope and I cant seem to find the snipers paradise thread on it anymore, certain models were similar to the erector system in US Optics scopes, Ie adjust the zero position with in the erector- which in I think the center screw was used only