M54 Male to 2" Nosepiece Adapter (PegasusAstro, SKU: PEG-ADAPT-M54M-2NP) is a 2" nosepiece with an M54 male thread, designed for integration into optical trains. The inner bore features a 2" filter thread (M48).

Key features

• M54 male thread, 0.75 mm pitch
• 2" nosepiece design
• internal 2" filter thread (M48)
• compact construction

In the box

• M54 male to 2" nosepiece adapter

Technical specifications

• total nosepiece length: 35 mm
• adapter (backfocus) thickness: 1.5 mm
• thread: M54 × 0.75 (4 mm thread length)
• internal thread: M48 (2" filter)

Allows connection of an M54 interface to a 2" focuser while retaining 2" filter compatibility.