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This precision-machined adapter allows the 3" Field Flattener / 0.7x Focal Reducer (FFFR507X-00) to be used with standard 2" focusers. Machined from a single piece of aluminum for concentricity and alignment integrity — critical for optical accessories where any tilt introduces aberrations.
Threaded to accept standard 2" astronomy filters between the corrector and the focuser.
Ships within 48 hours · Estimated delivery Jun 22 - Jun 27
US$40
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