I had cataract/ implants last month. WOW! My scopes were turned way out, now in the middle. And I can see a fly turd at a 1000. Mike.After cataracts I have lens implants. Makes it pretty hard to focus a scope properly. I usually have the adjustment out as far as it will go and still not have a perfect picture. Getting old. However, I can see a fly at 1000 yards with a naked eye. LOL.