It’s about time there was an advancement in parallax adjustment technology; finally, it has arrived. Sightline is proud to introduce the Acculine, featuring Rear-Focus - the logical successor of and latest improvement on the adjustable-objective and side-focus methods of parallax error correction. On the Acculine series of optics, the parallax error is corrected for by a second ring on the eyepiece, located just in front of the magnification ring. It’s faster, it’s sleeker, and it’s more ergonomic; quite simply, it’s better. And it’s about time. (less)