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LUNT LS6CaKMDs2 Ca-K filter in extension tube

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Product description

  • Easily transforms your refractor telescope up to 100mm aperture and 540mm focal length into a Ca-K solar telescope for observing the Sun in calcium-K light
  • Internal narrowband filter enables bandwidth below 2.4 Å, revealing solar activity and details in the Ca-K line with high contrast
  • Simple use: insert directly into 2" focuser, no additional filters required, ready for immediate solar observation
  • Versatile with 1.25" eyepiece holder and T2 thread for camera connection, optimal for both visual and photographic applications
  • All necessary filter elements integrated compactly in the module, especially for refractors, recommended for ultraviolet solar photography

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