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William Optics FLAT 6A III 0.8x for Fluorostar 91


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  • Designed specifically for the Fluorostar 91 triplet refractor telescope by William Optics.
  • Get the perfect focus with adjustable ranges for your imaging setup!
  • Set the adjustable distance on the Flat 6AIII to 5.4mm for 55mm of back focus.
  • Focal Length: 432mm

Product Details


  • specifications

    Back Focus55mm
    Camera Side ConnectionMale M48
    Free ShippingYes
  • included items

    • William Optics FLAT6AIII for Fluorostar 91

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