The Swarovski Z6 Rifle Scope features 6x zoom which is 50% greater range than most other rifle scopes offer. This allows for more flexibility with a single scope. Eye relief is also greater on the Swarovski Z6, so eyes will be safe even with heavily recoiling rifles. The 30mm tube allows for more light transmission as well. Swarovski Z6 Rifle Scopes are waterproof, fogproof and shockproof and have fully multi-coated lenses. A plastic lens cover is included.