PrimaLuceLab M56x1 Male Adapter for ARCO 2" (PL3600427) Pentax Original/Standard: 50mm

Original/Standard: 50mm

Once locked on an object

Every refractive system

Optical Design Achromatic Refractor Clear Aperture 80 mm Focal Length 400 mm Focal Ratio f/5 Resolving Power 1

Keep each one in its appointed place when not in use and you’ll keep them looking and performing like new

PrimaLuceLab M56x1 Male Adapter for ARCO 2" (PL3600427) Pentax Original/Standard: 50mmM56x1 male adapter for ARCO 2" allows you to connect rotator to focusers that come with M56x1 female thread and to control it through SESTO SENSO 2 installed on the focuser. PL3600427 adapter adds 1mm to ARCO 2" optical thickness so the total optical thickness (ARCO 2" + PL3600427) becomes 21mm.