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Telescope Solar Filters

Solar filters come in three major groups: full aperture, off-axis (reduced) aperture, and threaded.

Alternatively, you may also consider purchasing a dedicated solar telescope - these have come down in price in recent years. Binocular solar filters are also available.

      1. Filter Type
      2. Viewing
      3. Color of Sun
      1. H-alpha
      2. solar prominences, flares
      3. orange-red

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