Very good experience over two seasons - Burris Oracle X Rangefinding Bow Sight

Have mine mounted on a Ravin. I love it. At first I thought that the mounting/adjustments were a bit cheesy, but taking care to install & lock everything down, I've had no issues holding zero. My batteries have lasted a full season each year with the scopes auto shut off - so none of the issues someone else reported. The battery on the small remote died at the end of the second year. Watch the sighting in video by Burris. It's very good and explains the intricacies of the scope. I'm committed to avoiding crippling deer by taking questionable shots with equipment that isn't dependable/accurate - that's not "more sporting" in my world. I can say that I pattern arrows at 60 yards all the time and feel 100% confident at that range with a whitetail using this package.
I have another backup crossbow that I also loan to friends & family to hunt with me. I replaced the scope once but I'm thinking of replacing that already high-end conventional scope with another one of these.