About this product
StellaLyra 50mm Extension M117 for 10" / 12" RC / CC telescopes.
50mm long extension tube with M117x1 thread, suitable for the StellaLyra 10" and 12" Ritchey-Chrétien and Classical Cassegrain scopes.
Telescope side thread: M117x 1 (female)
Focuser side thread: M117x1 (male)
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