1.8 ID aperture with clean a single 1 x 0.19" vertical pin?. Helical elevation gear for smooth adjustments. Extended elevation adjustment for easier setups?. Glow ring illuminates fixed level?
1.8 ID aperture with clean a single 1 x 0.19" vertical pin?. Helical elevation gear for smooth adjustments. Extended elevation adjustment for easier setups?. Glow ring illuminates fixed level?