The M60 → M54 adapter with stop-ring for ESATTO 2" LP (PrimaLuceLab, SKU: PL3600547 ) allows you to connect M54 × 0.75 threaded accessories to the M60 front thread of the ESATTO 2" LP focuser. The integrated stop ring (locking device) allows you to set the exact screw-in depth of the adapter, which makes it easier to control the back-focus and orientation of the attached device.

Key Features

• thread conversion: input M60 × 1 (ESATTO 2" LP) → output M54 × 0.75
• stop ring – precise position adjustment and secure locking
• internal blackening and matt anodizing – minimizing reflections
• CNC made of 6061-T6 aluminum – lightweight and corrosion resistant

Set components

• M60 → M54 adapter with stop ring
• Allen screw for ring lock

Technical parameters

• input thread: M60 × 1 (adapted to ESATTO 2" LP)
• output thread: M54 × 0.75 (external)
• material: aluminum 6061-T6, black anodized
• EAN: 8059020774677
• manufacturer: PrimaLuceLab – Italy

The PL3600547 adapter is a convenient solution when you need to connect a corrector, reducer or other accessory with an M54 thread to the ESATTO 2" LP low-profile focuser, while maintaining full control over the required length of the optical path.