Manufacturer: Farpoint USA
Product number: FP401

EUR 33,92


incl. 19 % VAT (DE)  
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excl. 6.95 € shipping costs (DE)  
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Product expected to be available from 26.04.2024

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  • Details..
  • Technical data..
  • In the box..
Bahtinov focusing masks allow ultra-precise focusing
You can see directly whether you are in focus or not. No guessing or interpreting difficult diffraction patterns necessary.

The mask fits to:
all telescopes with tube diameters of 3,5" to 6,5" (89 mm - 165 mm).
With the supplied screws, the mask can be adapted to your tube diameter easily.



And that´s how it works:




Left picture: the center line does not go through the middle of the cross - out of focus
Middle picture: the center line passes the middle of the cross directly - perfect focus<
Right picture: the center line does not go through the middle of the cross - out of focus

While turning the focus wheel, you can see directly how the center line moves through the cross section.
Type:Bahtinov mask
Version:general purpose (refractors, Newtonians)
Suitable for telescopes:3,5" to 6,5" (89 mm - 165 mm) tube diameter
Material:ABS
Bahtinov Mask with screws



Reviews

Written by Joachim Dirks
on 2020-07-02

"Etwas weiter Abstand der Spikes, sonst aber ok"

Written by Thilo Schramm
on 2019-11-26

"Diese Bahtinov Maske hat eine etwas andere Geometrie als zum Beispiel die Bahtinov Maske von TS. Die Handhabung ist aber gleich. Man kann sehr gut scharf stellen. Die Plastikstifte, die in den Langlöchern justiert werden können damit die Maske gut auf dem Teleskop sitzt, sind allerdings in sehr weichen Gummiringen gelagert."

Written by Thilo Frey
on 2016-08-16

"Sehr gutes Sucherbild, Schrauben lösen sich gerne beim Transport und gehen verloren."

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