Originally Posted by
zooma
A well known local pistol shooter has always shot with a variety of ready made reading glasses ( probably chosen the same way as suggested above) with various treatments to the non aiming eye piece ( masking tape, rubbing the lens with wet and dry paper to make it opaque etc), but when he tested mine he also found the benefit that the optional iris gave as it helped the head to remain in the same position every time.
He has now actually parted with some cash and bought himself a pair - quite an achievement for a life long miser who has made do with his £2.99 special's for years!