M56x1 male adapter for ARCO 2 (PrimaLuceLab, SKU: PL3600427) PrimaLuceLab opinie

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The M56 × 1 male adapter for ARCO 2" (PrimaLuceLab, SKU: PL3600427 ) allows you to connect your ARCO 2" rotator to focusers, correctors or telescope backplates equipped with an M56 × 1 female thread. The adapter replaces the telescope collar of the rotator, creating an axial, rigid connection with minimal back-focus increment.

Key Features

• conversion: ARCO 2" flange → M56 × 1 external thread
• optical thickness of 3.5 mm – negligible impact on the back-focus budget
• full ARCO 2" (50.9 mm) internal diameter – no vignetting for APS-C sensors
• milled 6061-T6 aluminum, hard anodized – lightweight and corrosion resistant
• blackened, grooved interior - effective reduction of reflections

Set components

• M56 × 1 adapter for ARCO 2"
• four M4 mounting screws (stainless steel)

Technical parameters

• rotator side: flange adapted to ARCO 2"
• telescopic thread (output): M56 × 1, working length 4 mm
• optical thickness: 3.5 mm
• Inner diameter: 50.9 mm
• material: aluminum 6061-T6, black anodized
• EAN: 8059020774530
• manufacturer: PrimaLuceLab – Italy

The PL3600427 is the ideal coupler when you want to integrate the ARCO 2" rotator with an M56 × 1 threaded focuser or corrector while maintaining stability, full aperture, and minimal increase in optical path length.