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ZWO has released a new 3-inch 0.7× full frame reducer that is compatible with the FF107APO and FF130APO telescopes. It has a three-element optical design, including one element made of ED glass. Its reduction factor is 0.7, which gives the FF107APO a shortened focal ratio of f/4.9 and a shorter focal length of 524mm. This allows for less total integration time and a wider field of view, bringing more convenience and possibilities for your wide-field deep-sky imaging.
The reducer has a standard 55mm back focus and comes with M68, M54, and M48 threaded adapters for easy attachment.
Connection steps
- Prepare the FF107APO telescope tube and the focal reducer.
- Unscrew the M86 to 2-inch adapter at the end of the FF107APO telescope tube.
- Unscrew the end cap of the 0.7X reducer.
- Insert the reducer into the focuser inner tube and tighten it.
