Optics held in front surface of the mount in a stepped bore by nylon tipped grub screw.

Specification

• Adjustment range in two planes: +/- 3degree.
• Fine adjustment: By 80 tpi lead screws.
• Sensitivity: 20 arc sec. (Lead screws covered for the protection from dust)
• Construction: Aluminium alloy.
• Finish: Black anodized.