I want to ask what is the Butler Creek size for the eye and objective for a Nikon Monarch X Tactical 2.5-10x44 scope? From what I got from the Nikon's website-the eye is 43mm OD and the obj. is 52mm OD. That would be 18 eye (43.2mm) and 33 obj. (51.9mm).Should it be 1mm larger size for the...