50mm Extension M90 for 6"/8" RC/CC

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About this product

50mm long extension tube with M90x1  thread, suitable for the StellaLyra 6" and 8" Ritchey Chretien and Classical Cassegrain telescopes. 

Telescope side thread: M90x 1 (female)

Focuser side thread: M90x1 (male)

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