M68 Male to M54 Male Adapter (inner M48 thread) (PegasusAstro, SKU: PEG-ADAPT-M68M-M54M) enables connection between M68-threaded components and M54-threaded accessories. The adapter also features an internal M48 thread.

Key features

• M68 male to M54 male thread
• M68 thread pitch: 1.0 mm
• M54 thread pitch: 0.75 mm
• internal M48 × 0.75 thread
• compact low-profile design

In the box

• M68 male to M54 male adapter

Technical specifications

• adapter (backfocus) thickness: 1.4 mm
• thread 1: M68 × 1.0 (male, 4 mm length)
• thread 2: M54 × 0.75 (male, 4 mm length)
• internal thread: M48 × 0.75

Allows direct integration of M68 systems with M54 components while retaining M48 (2") accessory compatibility.