Guest Blogging

Author: Russ Douglas —— Reprinted from [Airgun World Magazine] Russ Douglas reviews the fully functional ‘all-inclusive’ version of the Zulus ZHD520 he reviewed in the November issue.  In the process is blown away by both the functionality and Arken Optics’ receptiveness to feedback.

Author: Bruce McPherson.  These instructions only relate to the use of the Arken Optics ballistic app when the scope is in the “Ballistic Table Call” mode. The “Real Time Ballistic Calculation” mode is beyond the scope of these instructions. The home screen of the app is shown here. It looks intimidating, but most of it...