The Baader2″ Nexstar Locking Ringhas a 2″ Schmidt-Cassegrain female thread which allows you to connect Baader 2″ zenith prism and mirror diagonals to Schmidt-Cassegrain telescopes, such as Celestron 8″, 9.25″, 11″ and 14″ SCTs which have 2″ female threads. By connecting diagonals this way, you will gain 20% field of view and have enough room for binoviewers such as the Baader MaxBright Mark II.

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