Explore Scientific 2" Adapter for FFFR507X-00

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. Key Features Single-piece aluminum construction for precise alignment Threaded for 2" astronomy filters Connects the FFFR507X-00 to any standard 2" focuser draw tube Compatibility Required for: Using the FFFR507X-00 on telescopes with 2" focusers Not needed if: Your telescope has a native 3" focuser connection For 2.5" hex focusers: A different adapter is required (Item #510366)