Cheap insurance for your optic - ScopeCoat Large Cover for 50mm Rifle Scopes

Used on a Nikon Prostaff 3-9/40, and fits like a glove. Material will stretch to fit a slight larger optic than the one I own.
Pros: durable and protective
Cons: manufaturers don't provide these with your optic

This review was written in the old system and had content requirements that are different than reviews written today.