28mm Filters

17 Item(s)
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  1. FLI - Research Grade UBVRI Filter Set - 28mm Round Unmounted

    $540.00
    SKU: RG-28D-UBVRI

    Ships in 1-2 Weeks

    FLI high transmission filters are manufactured in the United States with the highest quality fabrication techniques available. They offer a full line of filter types and sizes. Complete sets are available as well as individual filters in both round and square shapes.

    FREE SHIPPING(48 States)
  2. FLI - Research Grade - 28mm Diameter OIII 3nm

    $485.00
    SKU: RG-28D-OIII-3nm

    Ships in 1-2 Weeks

    FLI high transmission filters are manufactured in the United States with the highest quality fabrication techniques available. They offer a full line of filter types and sizes. Complete sets are available as well as individual filters in both round and square shapes.

    FREE SHIPPING(48 States)
  3. FLI - Research Grade - 28mm Diameter SII 3nm

    $485.00
    SKU: RG-28D-SII-3nm

    Ships in 1-2 Weeks

    FLI high transmission filters are manufactured in the United States with the highest quality fabrication techniques available. They offer a full line of filter types and sizes. Complete sets are available as well as individual filters in both round and square shapes.

    FREE SHIPPING(48 States)
  4. FLI - Research Grade - 28mm Diameter H-Alpha 3nm

    $485.00
    SKU: RG-28D-Ha-3nm

    Ships in 1-2 Weeks

    FLI high transmission filters are manufactured in the United States with the highest quality fabrication techniques available. They offer a full line of filter types and sizes. Complete sets are available as well as individual filters in both round and square shapes.

    FREE SHIPPING(48 States)
  5. FLI - Research Grade - 28mm Diameter OIII 5nm

    $460.00
    SKU: RG-28D-OIII-5nm

    Ships in 1-2 Weeks

    FLI high transmission filters are manufactured in the United States with the highest quality fabrication techniques available. They offer a full line of filter types and sizes. Complete sets are available as well as individual filters in both round and square shapes.

    FREE SHIPPING(48 States)
  6. FLI - Research Grade - 28mm Diameter SII 5nm

    $460.00
    SKU: RG-28D-SII-5nm

    Ships in 1-2 Weeks

    FLI high transmission filters are manufactured in the United States with the highest quality fabrication techniques available. They offer a full line of filter types and sizes. Complete sets are available as well as individual filters in both round and square shapes.

    FREE SHIPPING(48 States)
  7. FLI - Research Grade - 28mm Diameter H-Alpha 5nm

    $460.00
    SKU: RG-28D-Ha-5nm

    Ships in 1-2 Weeks

    FLI high transmission filters are manufactured in the United States with the highest quality fabrication techniques available. They offer a full line of filter types and sizes. Complete sets are available as well as individual filters in both round and square shapes.

    FREE SHIPPING(48 States)
  8. FLI - Research Grade - 28mm Diameter OIII 8nm

    $275.00
    SKU: RG-28D-OIII-8nm

    Ships in 1-2 Weeks

    FLI high transmission filters are manufactured in the United States with the highest quality fabrication techniques available. They offer a full line of filter types and sizes. Complete sets are available as well as individual filters in both round and square shapes.

    FREE SHIPPING(48 States)
  9. FLI - Research Grade - 28mm Diameter SII 8nm

    $275.00
    SKU: RG-28D-SII-8nm

    Ships in 1-2 Weeks

    FLI high transmission filters are manufactured in the United States with the highest quality fabrication techniques available. They offer a full line of filter types and sizes. Complete sets are available as well as individual filters in both round and square shapes.

    FREE SHIPPING(48 States)
  10. FLI - Research Grade - 28mm Diameter H-Alpha 8nm

    $275.00
    SKU: RG-28D-Ha-8nm

    Ships in 1-2 Weeks

    FLI high transmission filters are manufactured in the United States with the highest quality fabrication techniques available. They offer a full line of filter types and sizes. Complete sets are available as well as individual filters in both round and square shapes.

    FREE SHIPPING(48 States)
  11. FLI - Research Grade V Filter - 28mm Round Unmounted

    $200.00
    SKU: RG-28D-V

    Ships in 1-2 Weeks

    FLI high transmission filters are manufactured in the United States with the highest quality fabrication techniques available. They offer a full line of filter types and sizes. Complete sets are available as well as individual filters in both round and square shapes.

  12. FLI - Research Grade U Filter - 28mm Round Unmounted

    $200.00
    SKU: RG-28D-U

    Ships in 1-2 Weeks

    FLI high transmission filters are manufactured in the United States with the highest quality fabrication techniques available. They offer a full line of filter types and sizes. Complete sets are available as well as individual filters in both round and square shapes.

  13. FLI - Research Grade R Filter - 28mm Round Unmounted

    $200.00
    SKU: RG-28D-R

    Ships in 1-2 Weeks

    FLI high transmission filters are manufactured in the United States with the highest quality fabrication techniques available. They offer a full line of filter types and sizes. Complete sets are available as well as individual filters in both round and square shapes.

  14. FLI - Research Grade LRGB Filter Set - 28mm

    $435.00
    SKU: RG-28D-LRGB

    Ships in 1-2 Weeks

    FLI high transmission filters are manufactured in the United States with the highest quality fabrication techniques available. They offer a full line of filter types and sizes. Complete sets are available as well as individual filters in both round and square shapes.

    FREE SHIPPING(48 States)
  15. FLI - Research Grade I Filter - 28mm Round Unmounted

    $200.00
    SKU: RG-28D-I

    Ships in 1-2 Weeks

    FLI high transmission filters are manufactured in the United States with the highest quality fabrication techniques available. They offer a full line of filter types and sizes. Complete sets are available as well as individual filters in both round and square shapes.

  16. FLI - Research Grade B Filter - 28mm Round Unmounted

    $200.00
    SKU: RG-28D-B

    Ships in 1-2 Weeks

    FLI high transmission filters are manufactured in the United States with the highest quality fabrication techniques available. They offer a full line of filter types and sizes. Complete sets are available as well as individual filters in both round and square shapes.

  17. Chroma Technology - LRGB and Ha/8-27 Set - Mounted 1.25" Threaded Ring

    $725.00
    SKU: CHR-HALRGB-27M

    Ships in 3-5 Days

    Extremely durable coatings withstand humidity changes, extreme temperature fluxes and remain spectrally accurate in CWL and band pass adherence.

    FREE SHIPPING(48 States)
17 Item(s)
Set Ascending Direction