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Orion > Orion Deluxe guida fuori asse
Prodotto n.: 16736

Deluxe guida fuori asse

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Descrizione prodotto

Please note: This text was taken directly from the manufacturer.
Designed for deep-sky imaging with Schmidt-Cassegrain and refractor telescopes, the Orion Deluxe Off-Axis Guider lets you image and guide simultaneously through a single telescope. This also eliminates tracking problems such as differential flexure and mirror shift that commonly occur when using a separate guide scope. The imaging camera sees the same movement the autoguider sees, resulting in highly accurate tracking for pinpoint stars. Prism tilt adjustment with captive thumbscrew and more than 100 degrees of radial movement allow for easy guide star acquisition. Coarse and helical fine focus adjustments make focusing easy and accurate. The Orion Deluxe Off-Axis Guider can be used with most imaging cameras, including DSLRs, and telescopes with sufficient inward focus travel (requires 59mm). Three different lengths of threaded T-extensions are included (7mm, 17mm, 30mm) to accomodate different camera/guider combinations. Not recommended for use with Newtonian reflectors due to their limited focus travel. One-year warranty.

Commento del nostro esperto:

Per garantire la stessa messa a fuoco tra fotocamera/oculare guida e fotocamera di ripresa, bisogna agganciarlo al raccordo. Può pertanto essere d'aiuto un Homofokalring.

Può anche essere necessaria una Verlängerungshülse.

To ensure that the guide camera/eyepiece and imaging camera are both in focus, it may be necessary to clamp one of them to the eyepiece barrel at a different position. A 'homo focal ring' (Product No. 10610) is useful here.

An extension tube is also sometimes required, e.g. from Lumicon.

(Bernd Gährken)

Specifiche

Orion Deluxe guida fuori asse

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