focus

First off, I’ve searched and cannot find anything on it. Just got a Weaver V9a and it comes into focus real well at 3x. So I raise the power, and it will not come into focus. Went the entire adjustment length, and no good. Not looking to put more money into it, so is there anything I could try...

As my eyes age, and I find the need to use scopes mostly for the ability to focus the reticle, it makes me wish there were more red dots with a reticle or dot focus capability. There are several Prismatic red dots for AR rifles set at AR rifle sight height, but for a traditionally stocked...