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March 14th: The store will be closed on Friday as we will be out all night to observe and image the total lunar eclipse! Good eclipse!
March 14th: The store will be closed on Friday as we will be out all night to observe and image the total lunar eclipse! Good eclipse!
ZWO FF65-APO Quintuplet Refractor F/6.4

ZWO FF65-APO Quintuplet Refractor F/6.4

by ZWO
SKU ZWO-FF65-APO
CA$0
CA$1,135.00 - CA$1,135.00
CA$1,135.00
CA$1,135.00 - CA$1,135.00
CA$1,135.00
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  • Quintuplet air-spaced APO
  • F/6.4
  • 416mm focal length
  • 65mm aperture
  • 44mm image circle
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  • ZWO FF65-APO - Overview

    The ZWO FF65 APO is a refractive astrograph with the powerful flatfield optical design which saves you from the expensive cost of a field flattener. It eliminates the trouble of calculating the back focus distance of the flattener and connecting various accessories to achieve that distance.

    You can just connect any possible accessories you need. As long as the target is focused, the whole optical system is perfect for imaging. This makes the whole setting up process much more convenient, and saves your time, allowing you to pay more attention to the image shooting itself.

    The FF65 APO supports the full-frame imaging circle and has a fine spot diagram with tiny distortions of the peripheral stars. The 2.5" rigid focuser comes with a new-type 360° rotator with scales and a finder base. M68, M54, and M48 camera adapters are also attached, and the M48 adapter has a 2" female thread for installing filters.

    Quadruplet Air-Spaced APO

    The FF65 APO is a quintuplet with two ED glasses which offers excellent control of chromatic and other aberrations.

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    44mm Image Circle

    The FF65 APO supports full frame cameras, such as ASI6200, which gives you a larger field of view.

    The stars are small and round with a central RMS radius of 2.5 microns.

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    Self-flattening Design

    There is no need for a separate field flattener.

    The FF65 APO eliminates the trouble of calculating the back focus distance of the flattener and connecting various accessories to achieve that distance.

    You can just connect any possible accessories you need. As long as the target is focused, the whole optical system is perfect for imaging.

    Various Adapters

    The FF65 APO comes with M68/M54/M48 adapters.

    The M48 adapter has a 2" female thread for installing filters.

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    High-Precision Dual-Speed Focuser

    The telescope is equipped with a smooth, dual-speed (1:10) focuser that allows for fine adjustments, ensuring precise focus during both visual observation and astrophotography.

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    44mm Image Circle

    The FF65 APO supports full frame cameras, such as ASI6200, which gives you a larger field of view.

    The stars are small and round with a central RMS radius of 2.5 microns.

    Supports full frame cameras.

    Performance Demonstration

    You can click on the images to view the full size.

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