The Firearm Blog alerted me to this post over at accurateshooter.com. A new sighting enhancement, making use of a “zone plate” optic, is due to hit the market soon. The device makes it possible to focus on both near and far objects at the same time, without the penalty of large, expensive optical systems.
I’ll be anxious to try one of these on a rifle. My eyes cannot focus on close objects without optical help, ...Continue Reading →