I have seen scopes with objectives that large, but not by Bushnell or any other well known company. I think barska or some company like that might have a 55 or 60 mm objective. But if they would just make a better scope they wouldn't need it
Nikko sterling makes a 60mm scope,but after witnessing two of their scopes have the crosshairs break due to the recoil of a 338win mag,They too need to make higher quality scopes instead of scopes with larger lenses.