The Borg line of products consists of a flexible, and uniquely modular series of high quality refractors with diameters ranging from 50mm to 150mm.
Borg Arca Swiss compatible dovetail plate (200mm long)
Borg Fork Mount w/setting circles (3/8” mount)
Borg Vixen-compatible dovetail plate (125mm long)
Borg SLR Camera Mount Adapter
Borg Riser Block