Farpoint FP402 Bahtinov Focus Mask for Telescopes with Dew Shield or Tube Diameter from 5.5

Arightnyoughwor 2015-04-29

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Farpoint FP402 Bahtinov Focus Mask for Telescopes with Dew Shield or Tube Diameter from 5.5

Bahtinov focus mask for medium telescopes
Fits telescopes with Dew Shield or Tube Diameter from 55 to 85

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