I love my Leupolds. I have one 3.5x10x50 VariXIIIand one 3x9x40 VariXII. My original 3x9x40( at least I think that is what is was because that is what they sent to replace it)I had since around 1977 and I never had to re-zero it ever. Then all of a sudden in the mid 1990's it would not hold zero...sent it back and got a NEW scope in the mail no questions asked. I'm a customer for life. Make sure your scope has a Lifetime Warranty.