The initial advent of computerized star catalogs ... DX 102AZ is an achromatic refractor, with a 102 mm doublet lens composed of two different types of glass. It has a focal ratio of f/6.5 ...

Buy a Refractor ... glass, you can see far beyond. Laboratory-quality optics run deep in the DNA of telescopes by Meade. That’s one reason our reviewers chose the Meade StarNavigator 102 ...