Scope Focal Adjuster

This little thingy is designed to hold a single diopter lens squarely and right in front of your scope. It is useful during indoor marksmanship training with a magnified optic, so your target is clear at such a short distance. Simply slide your diopter lens into the main body and then add one of the two included stoppers before attaching to your optic. One to keep the diopter from directly contacting your 40mm diameter scope. The other will keep your diopter from directly contacting your 30mm diameter scope. A pocket is included in the main body to allow for a M3 screw and nut if you wish to snuggly tighten the assembly onto your optic.