Beschreibung
- Bahtinov focus mask for small-medium telescopes; fits telescopes with dew shield or tube from 3.5" to 6.5" in diameter.
- Bahtinov Focus Masks make focusing for astrophotography easy; instructions included
- Works with all DSLR cameras or CCD imagers
- Simply place the Bahtinov Focus Mask over the end of your telescope
- Made in the USA by Farpoint Astro
FarpointAdjustible Series Masks (3.5" to 6.5")
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