Telrad Riser Base (New Version) Planisphere Multi-coated optics increase light transmission

Multi-coated optics increase light transmission resulting in brighter and sharper images with high contrast levels

A LEGO® gift for history-lovers – Celebrate a birthday or special occasion with this gift for history-lovers and fans of aviation and historic innovation

a user can start the periodic error correction (PEC) at any time to improve the tracking performance for short focal length astrophotography

2 system allows for shorter exposure times compared to traditional f/10 astroimaging

Telrad Riser Base (New Version) Planisphere Multi-coated optics increase light transmissionThe Riser Base is available in nominal 2. 5" and 4" heights. Used in conjunction with the existing mounting base, it acts to offset the sight from the main tube for easier viewing. Select 2. 5" or 4" Riser base. These are the newer version of the risers that are injection molded.