Telrad Riser Base (New Version) Planisphere A LEGO® gift for history-lovers

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

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

The compartments and numerous pockets prevent the accessories from rubbing against the observation station

Back Focus: Adjustable

Celestron’s new EdgeHD reducers feature a custom 5 element optical design engineered to maintain the flat-field performance of our award winning EdgeHD optical system

Telrad Riser Base (New Version) Planisphere A LEGO® gift for history-loversThe 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.