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How do I find the right size filter to order?

When ordering telescope, spotting scope, binocular or camera filters you need to know the outside diameter of your optical tube. For a correct fit, measure the widest distance across the end of your optical tube from outside edge to outside edge.

2 thoughts on “How do I find the right size filter to order?

  1. I have a Meade 14″ LX200. Bought it in 2001.
    I need your part # & price for a solar filter that fits on the end of scope.
    Thanks
    Mike Weatherly
    Savannah, Ga 31419

    1. Hi Mike,
      Please email me at Info@seymoursolar.com, and I’ll be happy to help you. In the meantime, you can check your filter size by measuring the end of your scope from side to side, or directly across the full aperture. You want to go from the outside edge to outside edge. Our filters slip over the end of the scope so the measurement needs to be slightly bigger than the outside of your scope. Hope this helps.

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