On my 22 rim fire I have a Minox 3-10 by 50 scope. I was well pleased with it, so bought a Minox ZA 5i in 5-25 by 56 (which has target turrets) for longer range work on my bigger rifle. This scope, however, is a big disappointment. The sight picture goes out of focus when used over 16 mag, and this makes the target vague and indistinct. There seems to be dust on the inner surface of the objective lens. Has anyone else had such issues ? What is the warranty on these scopes ?
