Starizona Virtual view visual back Exc.

Starizona virtual view visual back. This allows for variable internal tension adjustments to safely rotate your diagonal for different viewing angles. Instead of tightening the set screws agains diagonal barrel to avoid the chance of slippage at an angled viewing position , the device adjusts precisely the tension withinthe device itself. Very well designed and machined. This has the larger sct threads which fit Celestron 9.25HD, and any version of Celestron 11"or 14" Exc to as new condition.
$89 shipped within the conus only.