Bague M74 mâle à M68 femelle
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The adapter allows connecting correctors and adapters with a male M68x1 thread at the telescope side. Via the multifunctional adapter RIREDM63-M68, the Riccardi Reducer with M63 connector can also be attached and sunken into the draw tube.
The adapter fits to all refractors with a male M74x1 thread at the focuser. It turns the male M74 thread into a female M68x1 (Zeiss style) thread.
Thread at telescope side:M74x1 female - length 6 mm
Thread at camera side:M68x1 female - length 5 mm
Adapter length:11 mm
Outer diameter of the adapter:80 mm