Highlights Converts any 2" (SC) female thread into a M48 x 0.75 female thread - without extending the optical length Initially manufactured to adapt our Hyperion Universal Zoom Mark IV onto any photographic M48 x 0,75 (2" filter-)thread (see animation on the right) This adapter can also work as an expansion ring to convert a photographic M48-thread into a male 2" SC thread Suitable for adaptation of any accessory with male M48 connection thread, e.g. our VariLock 20-29mm and VariLock 29-46mm clamps Adapter with continuous 2" male and M48 female thread, front sided two slits Specifications Manufacturer Baader Planetarium SKU (#) 2454834 Inner Diameter / Clear Aperture (mm) 47,5 Outer Diameter 50,8mm (2" SC) Inner Connection (lens sided) Thread, M48 Outer Connection (lens sided) Thread, 2" (50,8mm) Inner Connection (eyepiece/-camera-sided) Thread, M48 Outer Connection (eyepiece/-camera-sided) Thread, 2" (50,8mm) Type of Adapter Reducing piece //