1.25" Adapter with Brass Locking Ring (ADA125)

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The 1.25" adapter is included with our focusers (and refractors); however, we also offer it as an accessory to use with any telescope. It slips into a 2" opening and is used for 1.25" accessories. It features a brass locking ring and is threaded for 48 mm filters.

Please note that if you use long-barreled eyepieces, such as TeleVue Radians, you may strike the filter. In this case, we suggest that you add our 2" Barrel Extension w/ 48 mm Threads (A3703) to the bottom of the adapter before installing the filter. Alternatively, install the 48 mm filter on our 2" MaxBright Diagonal (PMDMAX).