About this product
Part Number: TKA28595
The Takahashi Extender 1.7XR converts the FOA-60 telescope to the FOA-60Q, resulting in a final focal length of 901 mm and a focal ratio of F15.
When using this extender, the Strehl ratio of the telescope is over 99% across almost the entire visible spectrum. This allows the FOA60 to become capable of working at magnifications well in excess of what would normally be recommended.
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