New guy here, my first post.
recently purchased used Zhumell 20x80 binoculars from Amazon (with 30 day return policy), price was too good to pass but now I understand why. They have the dreaded double vision. I can fine tune IPD, and everything else seems ok. So before I send them back, I'd like to try to get them adjusted correctly if this is even possible.
I checked the forum and there are some really old posts regarding the Z220x80 but have not found any clear instructions on how to collimate these binoculars. I did read about ajustment screws, pealing back the plastic. I removed the plastic around the eye pieces and don't see any ajustment screws.
Can anyone confirm if these can be adjusted and if so, help me out with some instructions on how.