M54 Male to M48 Female Adapter

The Baader M54 Male to M48 Female Adapter is a reducing adapter constructed from hardened stainless steel, designed to connect M54 filter threads to M48 accessories commonly found in 2-inch telescope optical systems. This compact adapter enables astronomers and astrophotographers to combine M54-threaded components with M48-threaded accessories, particularly useful for adapting camera lenses and filter systems to standard telescope focusers. With its minimal optical length and preservation of clear aperture, it provides an efficient solution for accessory compatibility in modern telescope configurations.