Brunson 521-B Spherical Adapter Box Levels 1in (25mm) outside diameter

Brunson 521-B Spherical Adapter Box Levels 1in (25mm) outside diameterMounting flexibility is what you get with the 521 B spherical mount. It is compatible with any 2" alignment telescope or collimator, allowing you to position your telescope in the many orientations your application may require. The spherical mount also functions as a target holder for alignments requiring precision target fixtures. It has three radial setscrews at approximately 120 degree intervals, as well as three "axial" setscrews in a line along

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