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ESATTO

  • This is why ESATTO is the perfect microfocuser also for EdgeHD telescopes

    EdgeHD telescopes by Celestron are great instruments also for astrophotography if you use an external focuser instead of the internal one: in this article we discover why ESATTO is the perfect microfocuser also for EdgeHD telescopes! In fact, by using an external focuser, you can remotely control the focus and you avoid all the problems related to image shift and mirror flop. And the advantages are not only for astrophotography but also for visual use since ESATTO comes with Virtual HandPad so you can use is also without a computer.

     

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  • Focusing systems for telescopes: how to choose the best solution among SESTO SENSO and ESATTO

    How to choose the best focusing systems for telescopes? Our SESTO SENSO robotic focusing motor and ESATTO robotic microfocuser offer the same basic features but different designs in order to offer you the best focusing solution, both for astrophotography and visual use. In this article we analyze the main differences between the 2 devices and we suggest what model is the best based on the telescope you have and the application you want to use. This way you will learn why our SESTO SENSO robotic focusing motor and ESATTO robotic microfocuser are the best focusing systems for telescopes and how you can use them in order to improve your telescope.

     

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  • ESATTO as focuser for Ritchey-Chretien telescopes

    ESATTO is the perfect focuser for Ritchey-Chretien telescopes, that are great instruments for deep-sky astrophotography at medium-long focal length. Ritchey-Chretien telescopes were, just a few years ago, very expensive but now are affordable and allow any amateur astronomer to own and use a Ritchey-Chretien telescope. Unfortunately these telescopes comes standard with a focuser that has not the load capacity requested for the heavy cameras and accessories commonly used in deep-sky astrophotography: let's see how you can use ESATTO as a new and better focuser for Ritchey-Chretien.

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  • ESATTO as focuser for refractor and astrophotography

    Thanks to the many available adapters, you can easily use ESATTO as the new focuser for refractors and improve performance, especially in astrophotography. Refractors, and especially the apochromatic models, are perfect instruments for astrophotography since they haven't a very long focal length (you can use them for very long exposition times also with affordable mounts) and they combine very good performance with easy of use. But many refractors use a focuser that may not be able to adequately support your camera and the accessories used in astrophotography: let's see how you can improve your refractor telescope by replacing the focuser with ESATTO.

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  • ESATTO focuser for Schmidt-Cassegrain and EdgeHD

    If you are looking for a focuser for Schmidt-Cassegrain or for aplanatic telescopes (like EdgeHD by Celestron), ESATTO is the perfect solution! In this article we see how ESATTO improves focus and how it installs on these telescopes. Schmidt-Cassegrains and EdgeHD are great instruments because they combine high performance with ease of use (for example, they are simple to collimate) and portability (they are among the most compact optical tubes, although the diameter can also be large). However, the internal focuser of these telescopes (which allows focusing by moving the primary mirror) generates image shift and mirror flop problems that we can now avoid thanks to ESATTO.

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