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Home > Filtro > Ruote Portafiltri & Slitte Filtri > Baader > Universal Filter Changer > Baader Adattatore Hyperstar UFC per C11/C9.25

Baader Adattatore Hyperstar UFC per C11/C9.25

Prodotto n.: 52996
Produttore: Baader

$ 85,00

IVA incl.
Baader Adattatore Hyperstar UFC per C11/C9.25
Baader Adattatore Hyperstar UFC per C11/C9.25
Baader Adattatore Hyperstar UFC per C11/C9.25
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Descrizione prodotto:

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On the camera side of the adapter on the S70 dovetail to the UFC filter base or the UFC Extensions can be mounted. Telescopic side, it can be screwed onto the HyperStar.

In regard to adaptation to HyperStar essays: adaptations to a HyperStar must be made with a tolerance in length better than +/- 0.3 mm otherwise the image quality decreases rapidly. Please see our picture on the right, showing the respective flange / back focus.

Example: A Celestron C11 has a back focal length / back focus of 59,7mm plus a shift of about 0,66mm of the focal point to extrafocal using a 2mm thick filter. 60,7mm rounded Of these, the back focus of the camera is then subtracted. The remaining optical length is adjusted by the UFC besides adapters.

The Universal Filter Changer, UFC: The Baader UFC system is usable for various telescope and camera systems filter drawer with a sufficiently large diameter connection, but which is also a very short length also filter sizes up to 50x50mm vignetting receives. These properties are a condition to the new, fast lenses such. B. EdgeHD telescopes with HyperStar and the new RASA devices Celestron, and any other Prime Focus to operate astrographs with appropriate filters, where a regular filter too much of the front opening would shade. In addition, prime-focus optics are necessarily equipped with very short back focus and require a particularly space-saving filter drawer.

The UFC system can connect almost everything with everything, by acquiring the perennial filter-base housing and then just the necessary front and back plates of the UFC along with the spacer rings so chooses as required by the respective chip distance. To that end, Baader a set with matching UFC extension sleeves, and a 15mm to 20mm infinitely adjustable S70 VariLock extension in order to keep the distance from the filter and the image plane as short as possible. All components are optimized to obtain the largest possible passage before the actual filter drawer and still be able to set the proper distance between the telescope and precise chip. The filter drawer itself sits characterized respectively as close as possible in front of the camera, shadowing through the filter is minimized.

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17.01.2021
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