TS Bahtinov Mask for telescopes up to 110mm aperture other opinie


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TS Bahtinov Mask for telescopes up to 110mm aperture
 
 
Availability: product is not availabe at the moment - please contact us (kontakt@teleskopy.pl) in order to obtain information on availability time

 

 
TS Bahtinov Mask for telescopes up to 110mm aperture
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The Bahtinova mask is an unparalleled help in focusing in digital astrophotography; a model intended for telescopes with a diameter of up to 110mm. Focusing the image of a bright star (the clearer it is, the easier procedure is) we are sure to precisely "hit" the focal point. There is no need, as it often happens, to seek out the focus by trial and error.

• for telescopes with an aperture up to 110 mm
• greatly facilitates focusing for astrophotography
• is more sensitive to defocus than digital methods (FWHM, FocusMax, Robofocus etc.)
• Mask diameter: 158 mm
• a universal system for attaching the mask on the tube
• made on a digital machine tool made of resistant plastic














SEE THE BAHTINOVA MASKS FOR OTHER OPTICAL OPTICAL SIZES




>> FREQUENTLY ASKED QUESTIONS <<

Question : How does the Bahtinov mask work? When do I know that the image is sharp?

Answer : We choose the brightest possible star. We preset the focus. To set the focus precisely, let's see the appearance of the star near the sharpness setting.



• on the left: the center radius unevenly distant from the outside - we are away from the focus; radius
• measure: it is better but still not perfect
• on the right: the central ray is evenly distant from the external rays - the focus is set

Question : How do you attach the mask to the telescope?

Answer : It's best to make such a frame as for a solar filter, vide: http://teleskopy.pl/filtrsloneczny.html


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