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Canada's top-tier Telescopes & Accessories

O-III Filters

21 products

  1. BA-FOIIINU-1

    Baader Ultra-Narrowband 4.5nm O-III CCD-Filter 1¼", (with LPFC) [BA-FOIIINU-1]

    $274.00 USD

    Availability: usually ships within 10-14 days
  2. BA-FOIIINU-RD31

    Baader Ultra-Narrowband 4.5nm O-III CCD-Filter 31mm, [BA-FOIIINU-RD31]

    $309.00 USD

    Availability: usually ships within 10-14 days
  3. BA-FOIIINU-RD36

    Baader Ultra-Narrowband 4.5nm O-III CCD-Filter 36mm [BA-FOIIINU-RD36]

    $349.00 USD

    Availability: usually ships within 10-14 days
  4. BA-FOIIINU-RD50

    Baader Ultra-Narrowband 4.5nm O III CCD-Filter 50,4mm (3mm glass thickness) Round [BA-FOIIINU-RD50]

    $479.00 USD

    Availability: usually ships within 10-14 days
  5. 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
  6. 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
  7. BA-FOIIINU-2

    Baader Ultra-Narrowband 4.5nm O-III CCD-Filter 2", (with LPFC) [BA-FOIIINU-2]

    $419.00 USD

    Availability: usually ships within 10-14 days
  8. BA-FOIIIN-2

    Narrowband O-III (8.5nm) CCD-Filter, 2" (with LPFC) [BA-FOIIIN-2]

    $227.00 USD

    Availability: usually ships within 10-14 days
  9. BA-FOIIIN-1

    Narrowband O-III (8.5nm) CCD-Filter, 1.25" (with LPFC) [BA-FOIIIN-1]

    $149.00 USD

    Availability: usually ships within 10-14 days
  10. 1 in stock
    BA-FOIIIN-RD36

    Narrowband O-III (8.5nm) CCD-Filter, 36 x 2mm Round (without Cell) [BA-FOIIIN-RD36]

    $182.00 USD

    IN STOCK, usually ships within 48h or less directly from our Canadian warehouse
  11. 1 in stock
    BA-FOIIIN-RD50

    Narrowband O-III (8.5nm) CCD-Filter, 50.4 x 3mm Round (without Cell) [BA-FOIIIN-RD50]

    $292.00 USD

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

    Narrowband O-III (8.5nm) CCD-Filter, 50x50x3mm Square (without Cell) [BA-FOIIIN-SQ50]

    $374.00 USD

    Availability: usually ships within 10-14 days
  13. BA-FOIIIN-SQ65

    Narrowband O-III (8.5nm) CCD-Filter, 65x65x3mm Square (without Cell) [BA-FOIIIN-SQ65]

    $492.00 USD

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

    Baader f/2 Highspeed-Filter O-III 1 ¼" (with LPFC) [BA-FOIIIHS-1]

    $213.00 USD

    Availability: usually ships within 10-14 days
  15. BA-FOIIIHS-2

    Baader f/2 Highspeed-Filter O-III 2" (with LPFC) [BA-FOIIIHS-2]

    $329.00 USD

    Availability: usually ships within 10-14 days
  16. 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
  17. 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
  18. 3 in stock
    OPTO-OIII-CCD65-125

    Optolong OIII-CCD 6.5nm (1.25'') CCD Filter [OPTO-OIII-CCD65-125]

    $159.00 USD

    IN STOCK, usually ships within 48h or less directly from our Canadian warehouse
  19. 3 in stock
    OPTO-OIII-CCD65-2

    Optolong OIII-CCD 6.5nm (2'') CCD Filter [OPTO-OIII-CCD65-2]

    $255.00 USD

    IN STOCK, usually ships within 48h or less directly from our Canadian warehouse
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