I have a Bushnell Elite on one muzzle loader. It is a great scope. Clarity is excellent. Ability to focus is wonderful. And the ability to switch powders is very good. Also I do not see a large POI difference when changing powers. I know that concerns many. On my Black Diamond XR I use a Bushnell Banner Dusk to Dawn 1.5-4.5x32mm. While this was a low dollar scope ($69.99) at purchase... It has held up excellent. And I always remember the first time I let someone at my deer camp look through the scope. He was looking out into the woods and handing it back chuckled and comments... you must have paid some big bucks for that scope. When I told him what I paid he could hardly believe a scope that low end was that good. In fact next year, he had one on his 30-30.
I also use Nikon, Simmons, Tasco, Leupold, and just purchased a Redfield.