Thingiverse
Bahtinov focus mask Insert
by LowRider
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Never forget to take your battinov mask wit you.
This is a Battinov mask that inserts into the (135 mm) dew shield of a 110mm refractor while still being able to put on the 135mm lens cover (see Photo) !!
You can just leave this one on the scope and put the cover over it for transport. Ideal!
This is a Battinov mask that inserts into the (135 mm) dew shield of a 110mm refractor while still being able to put on the 135mm lens cover (see Photo) !!
You can just leave this one on the scope and put the cover over it for transport. Ideal!
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