Sale! FOA-60 Extender 1.7XR:The Takahashi Extender 1.7XR converts the FOA-60 telescope to the FOA-60Q, resulting in a final focal length of 901 mm. When using this extender, the Strehl ratio of the telescope is over 99-percent across almost the entire visible sp
FOA-60 Extender 1.7XR:
The Takahashi Extender 1.7XR converts the FOA-60 telescope to the FOA-60Q, resulting in a final focal length of 901 mm. When using this extender, the Strehl ratio of the telescope is over 99-percent across almost the entire visible spectrum. In spite of the small aperture of the telescope, magnifications of up to 300 times are possible while maintaining a clear image.
As in this drawing above;When using this extender, place it between the OTA back and your focuser.
Cost: $25
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Delivery Time:
It usually takes [3-5] business days for standard shipping. Please note that this is an estimated time frame and may be affected by local holidays, and unforeseen circumstances.
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