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Canada's top-tier Telescopes & Accessories

Filters & Filter Wheels


372 products

  1. FLI-HS-1032

    FLI High Speed Filter Wheel - 10 x 32mm filters [FLI-HS-1032]

    $5,066.85 USD

    Availability: usually ships within 10-14 days
  2. FLI-HS-1025

    FLI High Speed Filter Wheel - 10 x 25mm filters [FLI-HS-1025]

    $5,066.85 USD

    Availability: usually ships within 10-14 days
  3. FLI-HS-625

    FLI High Speed Filter Wheel - High Speed Filter Wheel - 6 x 25mm filters [FLI-HS-625]

    $4,139.85 USD

    Availability: usually ships within 10-14 days
  4. FLI-CFW10-7

    FLI Seven Position Color Filter Wheel (for 65mm square filters) [FLI-CFW10-7]

    $2,903.85 USD

    Availability: usually ships within 10-14 days
  5. FLI-CL1-20-25

    FLI Twenty Position Dual Color Filter Wheel (for 25mm diameter filters) [FLI-CL1-20-25]

    $2,594.85 USD

    Availability: usually ships within 10-14 days
  6. FLI-CL1-10

    FLI Ten Position Dual Color Filter Wheel (for 50mm square filters) [FLI-CL1-10]

    $2,594.85 USD

    Availability: usually ships within 10-14 days
  7. FLI-CFW3-10

    FLI 10 Position Color Filter Wheel (for 50mm square filters) [FLI-CFW3-10]

    $2,079.85 USD

    Availability: usually ships within 10-14 days
  8. FLI-CFW3-12

    FLI 12 Position Color Filter Wheel (for 2" or 50mm diameter filters) [FLI-CFW3-12]

    $2,079.85 USD

    Availability: usually ships within 10-14 days
  9. FLI-CFW3-20-28

    FLI 20 Position Color Filter Wheel (for 28mm diameter filters) [FLI-CFW3-20-28]

    $2,079.85 USD

    Availability: usually ships within 10-14 days
  10. FLI-CFW9-5

    FLI 5 Position Color Filter Wheel (for 65mm square filters) [FLI-CFW9-5]

    $2,079.85 USD

    Availability: usually ships within 10-14 days
  11. BA-DERF-180

    D-ERF Energy Rejection Filter 180mm, with IR-Cut dielectric coating [BA-DERF-180]

    $1,857.00 USD

    Availability: usually ships within 10-14 days
  12. FLI-CFW5-7

    FLI 7 Position Color Filter Wheel (for 50mm square filters) [FLI-CFW5-7]

    $1,770.85 USD

    Availability: usually ships within 10-14 days
  13. FLI-CFW4-5

    FLI 5 Position Color Filter Wheel (for 50mm square filters) [FLI-CFW4-5]

    $1,564.85 USD

    Availability: usually ships within 10-14 days
  14. FLI-CFW2-7

    FLI Seven Position Color Filter Wheel (for 2" or 50mm diameter filters) [FLI-CFW2-7]

    $1,358.85 USD

    Availability: usually ships within 10-14 days
  15. BA-DERF-160

    D-ERF Energy Rejection Filter 160mm, with IR-Cut dielectric coating [BA-DERF-160]

    $1,254.00 USD

    Availability: usually ships within 10-14 days
  17. BA-DERF-135

    D-ERF Energy Rejection Filter 135mm, with IR-Cut dielectric coating [BA-DERF-135]

    $999.00 USD

    Availability: usually ships within 10-14 days
  18. BA-FHSS-2

    Baader f/2 Highspeed-Filter Set 2", consisting of H-α, O-III, S-II [BA-FHSS-2]

    $984.00 USD

    Availability: usually ships within 10-14 days
  19. BA-FLRGB-SQ65

    Baader RGB Filter Set 65x65x3mm Square with UV/IR Cut L-Filter (Optically Polished) [BA-FLRGB-SQ65]

    $949.00 USD

    Availability: usually ships within 10-14 days
  20. FLI-CFW1-5

    FLI 5 Position Color Filter Wheel (for 2" or 50mm diameter filters) [FLI-CFW1-5]

    $946.85 USD

    Availability: usually ships within 10-14 days
  21. FLI-CFW1-8-28

    FLI 8 Position Color Filter Wheel (for 28mm diameter filters) [FLI-CFW1-8-28]

    $946.85 USD

    Availability: usually ships within 10-14 days
  23. BA-FLRGB-SQ50

    Baader RGB Filter Set 50x50x3mm Square with UV/IR Cut L-Filter (Optically Polished) [BA-FLRGB-SQ50]

    $789.00 USD

    Availability: usually ships within 10-14 days
  24. BA-FHALNU-SQ65

    Baader Ultra-Narrowband 3.5nm H-alpha CCD-Filter 65x65mm square [BA-FHALNU-SQ65]

    $759.00 USD

    Availability: usually ships within 10-14 days
  27. 1 in stock
    BA-FLRGB-RD50

    Baader RGB Filter Set 50.4 x 3mm Round with UV/IR Cut L-Filter (Optically Polished) [BA-FLRGB-RD50]

    $690.00 USD

    IN STOCK, usually ships within 48h or less directly from our Canadian warehouse
  28. BA-FOIIINU-SQ65

    Baader Ultra-Narrowband 4.5nm O III CCD-Filter 65mm(3mm glass thickness) Square [BA-FOIIINU-SQ65]

    $689.00 USD

    Availability: usually ships within 10-14 days
  29. BA-FSIINU-SQ65

    Baader Ultra-Narrowband 4.5nm S II CCD-Filter 65x65 mm (3mm glass thickness) Square [BA-FSIINU-SQ65]

    $689.00 USD

    Availability: usually ships within 10-14 days
  31. 1 in stock
    ATK-0161

    Atik - EFW3 7 Position 2" Electronic Filter Wheel for Large Format Cameras [ATK-0161]

    $653.75 USD

    IN STOCK, usually ships within 48h or less directly from our Canadian warehouse
  32. ATK-0160

    Atik - EFW3 Filter wheel 50mm [ATK-0160]

    $653.75 USD

    Availability: usually ships within 10-14 days
  33. BA-FHSS-1

    Baader f/2 Highspeed-Filter Set 1 ¼", consisting of H-α, O-III, S-II [BA-FHSS-1]

    $649.00 USD

    Availability: usually ships within 10-14 days
  34. MVI-EFW-4L-7-II

    External Filter Wheel Mark II for G4 cameras with 7 positions (50x50mm) [MVI-EFW-4L-7-II]

    $641.60 USD

    Availability: usually ships within 10-14 days
  35. MVI-EFW-4L-9-II

    External Filter Wheel Mark II for G4 cameras with 9 positions (D50mm) [MVI-EFW-4L-9-II]

    $641.60 USD

    Availability: usually ships within 10-14 days
  36. MVI-EFW-3L-7-II

    External Filter Wheel Mark II for G3 cameras with 7 positions (50x50mm) [MVI-EFW-3L-7-II]

    $641.60 USD

    Availability: usually ships within 10-14 days
  37. MVI-EFW-3L-9-II

    External Filter Wheel Mark II for G3 cameras with 9 positions (D50mm) [MVI-EFW-3L-9-II]

    $641.60 USD

    Availability: usually ships within 10-14 days
  39. BA-DERF-110

    D-ERF Energy Rejection Filter 110mm, with IR-Cut dielectric coating [BA-DERF-110]

    $627.00 USD

    Availability: usually ships within 10-14 days
  40. 2 in stock
    BA-FLRGB-2

    Baader RGB Filter Set 2" with UV/IR Cut L-Filter (Optically Polished, with LPFC) [BA-FLRGB-2]

    $619.00 USD

    IN STOCK, usually ships within 48h or less directly from our Canadian warehouse
  41. BA-FHALNU-SQ50

    Baader Ultra-Narrowband 3.5nm H-alpha CCD-Filter 50x50mm square [BA-FHALNU-SQ50]

    $599.00 USD

    Availability: usually ships within 10-14 days
  42. MVI-EFW-4L-7

    External Filter Wheel for G4 cameras with 7 positions [MVI-EFW-4L-7]

    $582.99 USD

    Availability: usually ships within 10-14 days
  43. MVI-EFW-4L-9

    External Filter Wheel for G4 cameras with 9 positions [MVI-EFW-4L-9]

    $582.99 USD

    Availability: usually ships within 10-14 days
  44. MVI-EFW-3L-7

    External Filter Wheel for G3 cameras with 7 positions (50x50mm) [MVI-EFW-3L-7]

    $582.99 USD

    Availability: usually ships within 10-14 days
  45. MVI-EFW-3L-9

    External Filter Wheel for G3 cameras with 9 positions (D50mm) [MVI-EFW-3L-9]

    $582.99 USD

    Availability: usually ships within 10-14 days
  46. 1 in stock
    ATK-0085

    Atik Electronic Filter wheel - for 9x 1.25'' filters [ATK-0085]

    $580.62 USD

    IN STOCK, usually ships within 48h or less directly from our Canadian warehouse
  47. ATK-0086

    ATIK ELECTRONIC FILTER WHEEL - 36MM FILTERS - 7 POSITIONS [ATK-0086]

    $580.62 USD

    Availability: usually ships within 10-14 days
  48. 1 in stock
    ATK-0087

    Atik 2'' Electronic Filter Wheel EFW2 [ATK-0087]

    $580.62 USD

    IN STOCK, usually ships within 48h or less directly from our Canadian warehouse
  49. ATK-0177

    Atik - EFW2.2 - 1.25" [ATK-0177]

    $576.50 USD

    Availability: usually ships within 10-14 days
  50. ATK-0176

    Atik EFW2.2 - 36mm [ATK-0176]

    $576.50 USD

    Availability: usually ships within 10-14 days
  51. ATK-0175

    Atik EFW2.2 - 2" [ATK-0175]

    $576.50 USD

    Availability: usually ships within 10-14 days
  52. ATK-0174

    Atik EFW2.2 - 50mm (Includes M54 adapter) [ATK-0174]

    $576.50 USD

    Availability: usually ships within 10-14 days
  53. BA-FOIIINU-SQ50

    Baader Ultra-Narrowband 4.5nm O III CCD-Filter 50,4mm (3mm glass thickness) Square [BA-FOIIINU-SQ50]

    $567.00 USD

    Availability: usually ships within 10-14 days
  54. BA-FSIINU-SQ50

    Baader Ultra-Narrowband 4.5nm S II CCD-Filter 50x50 mm (3mm glass thickness) Square [BA-FSIINU-SQ50]

    $567.00 USD

    Availability: usually ships within 10-14 days
  55. BA-FHALNU-RD50

    Baader Ultra-Narrowband 3.5nm H-alpha CCD-Filter Ø 50,4mm round [BA-FHALNU-RD50]

    $529.00 USD

    Availability: usually ships within 10-14 days
  57. BA-FHALN-SQ65

    Narrowband H-Alpha Filter 7nm, 65x65x3mm Square (without Cell) [BA-FHALN-SQ65]

    $523.00 USD

    Availability: usually ships within 10-14 days
  58. MVI-EFW-4M-5-II

    External Filter Wheel Mark II for G4 cameras with 5 positions (50x50mm) [MVI-EFW-4M-5-II]

    $499.11 USD

    Availability: usually ships within 10-14 days
  59. MVI-EFW-2XS-7-II

    External Filter Wheel for G2 cameras Mark II with 7 positions (D36mm) [MVI-EFW-2XS-7-II]

    $499.11 USD

    Availability: usually ships within 10-14 days
  60. MVI-EFW-2XS-8-II

    External Filter Wheel for G2 cameras with 8 positions (31mm) [MVI-EFW-2XS-8-II]

    $499.11 USD

    Availability: usually ships within 10-14 days
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