Scope eye relief
There can be many reasons for an inaccurate shot, but there is one error I see so often during courses and training on our range.
Eye relief is the distance you must position your eye in front of the rear lens of the scope (ocular lens).
Too close and you will not get a full, clear round sight picture, but you may also get a belt in the eye from the scope on recoil – not recommended!
Too far away and the same picture occurs, without the belt in the eye.
Correct eye relief is critical to achieve accurate, tight groups. It will also adjust depending on the magnification you use if you have a variable magnification scope. The eye relief on higher magnification is even more critical.
What should be seen through the scope is a clear inner black ring and a clear, circular picture without any shadowing. With that correct view, your eye is sighting through the centre of the scope every time.
Correct, consistent eye relief view Incorrect eye relief view Any sight picture that is elliptical simply means that you are not sighting through the centre of the scope. With every shot your eye is probably going to be in a different position, usually...