H-Alpha Double Stack Filters

15 Item(s)
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  1. Coronado - Narrowband Element Front Unit 40mm

    $895.00
    SKU: COR-SM40

    Wait Time is 3-5 Days

    H-Alpha 40mm narrowband unit for use in doublestacking. Cannot be used without secondary interference filter. Comes with T-Max tuner. Needs a SM40 Doublestack Adapter Plate (sold separately) in order to attach to a SolarMax 40
    FREE SHIPPING(48 States)
  2. Lunt - 60mm Ha Etalon Filter with B3400 for 2" Focuser

    $3,296.00
    SKU: LS60FHa/B3400

    This Item Will Be Available in Approximately 1 Month

    Use the double-stack technique to reduce bandpass and get the best

  3. Lunt - 60mm Ha Etalon Filter with B1800 for 1.25" Focuser

    $2,496.00
    SKU: LS60FHa1/B1800

    This Item Will Be Available in Approximately 1 Month

    Use the double-stack technique to reduce bandpass and get the best

  4. Lunt - 60mm Ha Etalon Filter with B1800 for 2" Focuser

    $2,496.00
    SKU: LS60FHa2/B1800

    This Item Will Be Available in Approximately 1 Month

    Use the double-stack technique to reduce bandpass and get the best

  5. Lunt - 60mm Ha Etalon Filter with B1200 for 1.25" Focuser

    $2,146.00
    SKU: LS60FHa1/B1200

    This Item Will Be Available in Approximately 1 Month

    Use the double-stack technique to reduce bandpass and get the best

  6. Lunt - 60mm Ha Etalon Filter with B1200 for 2" Focuser

    $2,146.00
    SKU: LS60FHA2/B1200

    This Item Will Be Available in Approximately 1 Month

    Use the double-stack technique to reduce bandpass and get the best

  7. Lunt - 60mm Ha Etalon Filter with B600 for 1.25" Focuser

    $1,846.00
    SKU: LS60FHa1/B600

    This Item Will Be Available in Approximately 1 Month

    Use the double-stack technique to reduce bandpass and get the best

  8. Lunt - 60mm Ha Etalon Filter with B600 for 2" Focuser

    $1,846.00
    SKU: LS60FHa2/B600

    This Item Will Be Available in Approximately 1 Month

    Use the double-stack technique to reduce bandpass and get the best

  9. Coronado - Solarmax II - SME-40 Double Stack Filter

    $599.00
    SKU: COR-SME-40

    In stock

    Coronado Solarmax II SME-40 Double Stack Filter is a secondary solar filter designed to be used with an existing solar filter and blocking filter to help refine details.
    FREE SHIPPING(48 States)
  10. Coronado - SolarMax II SME-60 Double Stack Filter

    $899.00
    SKU: COR-SME-60

    In stock

    Coronado SolarMax II SME-60 Double Stack Filter is a secondary solar filter designed to be used with an existing solar filter and blocking filter to help enhance detail.
    FREE SHIPPING(48 States)
  11. Coronado - SolarMax II 60mm Filter with RichView™ Tuning with 15mm Blocking Filter

    $1,599.00
    SKU: COR-SMF60-15

    Wait Time is 3-5 Days

    Coronado by Meade SolarMax II Solar Filter set with RichView tuning system. Includes 60mm diameter primary H-Alpha etalon filter with sub 0.7 angstrom bandwidth and Blocking Filter.

    FREE SHIPPING(48 States)
  12. Coronado - SolarMax II 40mm Filter with RichView™ Tuning with 15mm Blocking Filter

    $1,299.00
    SKU: COR-SMF40-15

    Wait Time is 3-5 Days

    Coronado by Meade SolarMax II Solar Filter set with RichView tuning system. Includes 40mm diameter primary H-Alpha etalon filter with sub 0.7 angstrom bandwidth and Blocking Filter
    FREE SHIPPING(48 States)
  13. Lunt - 50mm Ha Double Stack Etalon Solar-Filter (Matched)

    $998.00
    SKU: LS50FHA

    In stock

    Use the double-stack technique to reduce bandpass and get the best possible resolution and contrast from
  14. Coronado - SolarMax 40 Ha Filter with BF10 and TMax Tuner

    $1,450.00
    SKU: COR-SM40-10

    Wait Time is 3-5 Days

    Coronado 40mm aperture narrowband Ha filter with TMax tuner and 10 mm blocking filter
    FREE SHIPPING(48 States)
  15. Lunt - LS50C Compact Double Stack Filter

    $949.00
    SKU: LS50C

    This Item Will Be Available in Approximately 1 Month

    The LS50C allows you to lower the band pass to <0.5 Angstroms which gives you much more surface detail
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