Baader 1-1/4" to 2" ClickLock Expansion Adapter
The Baader 1.25" to 2" Expansion Adapter allows the use of 2" eyepieces in 1.25" focusers and diagonals. The nosepiece is threaded for 1.25" filters, and the internal surfaces are fully baffled to control stray light reflections.
The Baader ClickLock Expansion Adapter's modular construction permits other uses. The 1.25" nosepiece may be removed to expose an internal T-2 photo thread, enabling connection to a wide variety of Baader Astro T-2 accessories. Also, the T-2 threaded ring may be removed to expose a 2" SCT thread. The optical path length is 49mm.
Please Note: Using 2" eyepieces in a 1.25" focuser will always result in some vignetting of the image due to the narrowing of the barrel size.