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  • IDAS NBZ Ultra-High Speed (UHS) Filter
    $309.00
    $335.00 You save 8%
  • IDAS NBZ Mounted Nebula Booster Filter
    $309.00
    $359.00 You save 14%
  • DayStar Filters FC180 FlatCap Imaging Diffuser
    $99.00
    $115.00 You save 14%
  • DayStar Filters FC90 FlatCap Imaging Diffuser
    $85.00
    $99.00 You save 14%
  • Bresser Achromatic 3x (1.25
    $29.95
    Sold out
  • Lumicon 1.25 Inch #8 Light Yellow Color Filter
    $52.80
    Sold out
  • Lumicon 1.25 Inch Gen3 UHC Filter
    $129.80
    Sold out
  • Accessories - Lumicon 1.25 Inch Oxygen III Gen 3 Filter - LF3040
    $151.80
    $172.00 You save 12%
  • Accessories - Double Stack Filter For Lunt 80mm & 100mm Modular Telescopes
    $1,595.00
    Sold out
  • Accessories - Lunt 60mm Ha Etalon Front Mount Double Stack Filter
    $1,775.00
    $1,950.00 You save 9%
  • Denkmeier Filter Switch
    $249.00
    $249.00
  • Lunt Blocking Filters - B600, B1200, B1800, B3400
    $348.00
    $448.00 You save 22%
  • DayStar Filters Off-Axis ERF For 16
    $1,195.00
    $1,300.00 You save 8%
  • DayStar Filters Off-Axis ERF For 14
    $1,195.00
    $1,300.00 You save 8%
  • DayStar Filters Off-Axis ERF For 12
    $895.00
    $1,000.00 You save 11%
  • DayStar Filters Off-Axis ERF For 11
    $695.00
    $745.00 You save 7%
  • DayStar Filters Off-Axis ERF For 10
    $550.00
    $700.00 You save 21%
  • DayStar Filters Off-Axis ERF For 9.25
    $550.00
    $700.00 You save 21%
  • DayStar Filters Off-Axis ERF For 8
    $550.00
    $700.00 You save 21%
  • DayStar Filters ERF 80mm With 110mm Cap.
    $550.00
    $650.00 You save 15%
  • DayStar Filters 2
    $125.00
    $155.00 You save 19%
  • DayStar Filters FC190 FlatCap Imaging Diffuser
    $99.00
    $115.00 You save 14%
  • DayStar Filters FC190 FlatCap Imaging Diffuser
    $99.00
    $115.00 You save 14%
  • DayStar Filters FC170 FlatCap Imaging Diffuser
    $99.00
    $115.00 You save 14%