 So you'll see differences. You'll see an aspheric lens that's going to be crystal clear. You're going to see dot resolution that's better. On the Romeo X, we're talking about... So on the Romeo X, what does enclosed mean? So enclosed means we have simply now made it sealed. It's a sealed optic now. Before, quality's there, the rigidity is there and all those things, but an enclosed optic now, water...