Manufacturer: -TS Zubehör
Product number: TSBahtinov195

EUR 29,90RRP EUR 36,00you save 16.9% (EUR 6,10)


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TS-Optics Bahtinov Masks for convenient and exact focusing of your Astro Images
The Bahtinov Mask is named after its inventor Pavel Bahtinov. This focusing tool enables precise adjustment of your Astro pictures to the focus plane of your telescope or camera lens.

Attaching the Bahtinov Mask to your telescope or lens is very simple. Each mask is supplied with 3 screws. Remove the plastic from the screws, put them through the designated holes and then pull the plastic covers back over the screws. Now you can attach the focusing mask to your telescope or lens and start focusing.

This is how focusing of your camera on your telescope or lens works.




Attach the mask to your telescope and slew the telescope to a bright star.
Turn on your camera and watch your selected star on the live view screen.
If the image isn´t yet in focus, the central line of the Bahtinov pattern is shifted. Adjust your focuser until this very line sits exactly inbetween the other two lines.
Now you have achieved optimal focus. Remove the mask from your optics and you can start the exposure of your object.


Practical advice from Teleskop Service
Using a Bahtinov Mask for focusing works especially well for Deep Sky photography. Correctors and Barlow Lenses are not a problem.
Ideally you want to use a star with medium brightness for focusing. It should neither be too dark nor too bright. The lines of the Bahtinov interference pattern have to be clearly visible.
The chosen star shouldn´t be positioned in the center of your live view, because most telescopes or lenses, although corrected, do not produce a plane field of view. We recommend to position the star in the outer third of your image. That way, you will achieve a better overall sharpness across your field of view.

Item:Bahtinov Mask
Material:Plastic
Suitable for:Telescopes and lenses with 195-240mm diameter
TS Bahtinov Mask
3 screws covered in rubbery plastic for attachment



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Reviews

Written by Gunter Beer
on 2023-04-25

"Sehr gut"

Written by Andre Dalhoff
on 2022-03-23

Unverzichtbar!

Written by Christian Vocks
on 2021-11-25

"Ermöglicht eine schnelle und präzise Fokussierung auch bei schlechtem Seeing, was im Life-View der Kamera sonst sehr schwierig war."

Written by Andreas Brömme
on 2021-04-09

"Das Produkt ist gut verarbeitet und macht einen soliden Eindruck. Konnte es leider Wetter- und Zeitbedingt noch nicht ausprobieren. Ich gehe aber davon aus, daß es das macht was es soll."

Written by Hani Ibrahim
on 2018-07-09

"Einfach anzuwenden, einfach auf das OTA aufstecken. Die gummierten Haltestifte sind einfach an die Öffnung durch Verschieben und Festdrehen anzupassen."

Written by Heinz Jüttner
on 2018-05-23

"Erfüllt voll die Erwartung. Scharfstellung des Teleskops wird dadurch präzise und einfach."

Written by Dr. Zimmermann
on 2018-02-14

"Exzellente Hilfe zur Erzielung des richtigen Focus."

Written by Norbert Kordas
on 2017-06-06

"leicht handhabbar. gute Qualität. Einsatz steht noch aus"

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