Bought the Covert Pro from Apex Gear to replace a basic three-pin sight. All I can say is "wow." The set up was a breeze, and sighting in was even easier. Sight in at 20 and 40 then check the rest. Crazy how accurate the tapes are. I have horrible vision and astigmatism. Having one pin with size/brightness adjustments made me enjoy bow hunting again and helped put a doe and buck into the freezer already this season. The sight isn't heavy by any means, mounts secure, and is easy to adjust on the fly. Only adjustment I would make is to purchase the model with a main pin and the second bottom pin to allow for quick changes.