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  • Celestron Lunar and Planetary Filter Set - 1.25" - 94119-10
    Celestron

    Celestron Lunar and Planetary Filter Set - 1.25" - 94119-10

    Out of stock
    $69.00 CAD
  • Celestron Moon Filter Set - 1.25" - 94315
    Celestron

    Celestron Moon Filter Set - 1.25" - 94315

    Out of stock
    $74.00 CAD
  • Celestron Origin Nebula Filter - 93669
    Celestron

    Celestron Origin Nebula Filter - 93669

    Out of stock
    $269.00 CAD
  • Celestron Oxygen III Narrowband Filter - 1.25" Round Mounted - 93623
    Celestron

    Celestron Oxygen III Narrowband Filter - 1.25" Round Mounted - 93623

    Out of stock
    $148.00 CAD
  • Celestron Oxygen III Narrowband Filter - 2" Round Mounted - 93624
    Celestron

    Celestron Oxygen III Narrowband Filter - 2" Round Mounted - 93624

    Out of stock
    $196.00 CAD
  • Sale
    Celestron UHC/LPR Filter - 1.25" Round Mounted - (Pre-Owned)
    Celestron

    Celestron UHC/LPR Filter - 1.25" Round Mounted - (Pre-Owned)

    Only 1 left
    $99.00 CAD
    $135.00 CAD $99.00 CAD
  • Celestron UHC/LPR Filter - 1.25" Round Mounted - 94123
    Celestron

    Celestron UHC/LPR Filter - 1.25" Round Mounted - 94123

    Out of stock
    $135.00 CAD
  • Celestron UHC/LPR Filter - 2" Round Mounted - 94124
    Celestron

    Celestron UHC/LPR Filter - 2" Round Mounted - 94124

    Out of stock
    $182.00 CAD
  • Coronado 60mm Doublestack Adapter Ring - AP186
    Coronado

    Coronado 60mm Doublestack Adapter Ring - AP186

    Out of stock
    $45.00 CAD
  • Explore Scientific CLS City Light Suppression Filter - 310225
    Explore Scientific

    Explore Scientific CLS City Light Suppression Filter - 310225

    Out of stock
    $139.00 CAD
  • Explore Scientific CLS Nebula Filter - 2" - 310220
    Explore Scientific

    Explore Scientific CLS Nebula Filter - 2" - 310220

    In Stock
    $162.00 CAD
  • Explore Scientific H-Beta Narrowband Filter - 1.25"- 310235
    Explore Scientific

    Explore Scientific H-Beta Narrowband Filter - 1.25"- 310235

    In Stock
    $175.00 CAD
  • Explore Scientific H-Beta Narrowband Filter - 2" - 310230
    Explore Scientific

    Explore Scientific H-Beta Narrowband Filter - 2" - 310230

    In Stock
    $243.00 CAD
  • Explore Scientific ND 0.9 Filter - 1.25"- 310245
    Explore Scientific

    Explore Scientific ND 0.9 Filter - 1.25"- 310245

    Out of stock
    $67.00 CAD
  • Explore Scientific ND 0.9 Filter - 2" - 310240
    Explore Scientific

    Explore Scientific ND 0.9 Filter - 2" - 310240

    Out of stock
    $81.00 CAD
  • Explore Scientific O-III Nebula Filter - 1.25" - 310205
    Explore Scientific

    Explore Scientific O-III Nebula Filter - 1.25" - 310205

    In Stock
    $148.00 CAD
  • Explore Scientific O-III Nebula Filter - 2" - 310200
    Explore Scientific

    Explore Scientific O-III Nebula Filter - 2" - 310200

    In Stock
    $189.00 CAD
  • Explore Scientific Ultra High Contrast UHC Nebula Filter - 1.25" - 310215
    Explore Scientific

    Explore Scientific Ultra High Contrast UHC Nebula Filter - 1.25" - 310215

    In Stock
    $148.00 CAD
  • Explore Scientific Ultra High Contrast UHC Nebula Filter - 2" - 310210
    Explore Scientific

    Explore Scientific Ultra High Contrast UHC Nebula Filter - 2" - 310210

    In Stock
    $189.00 CAD
  • IDAS Light Pollution Suppression (LPS) Filters 48mm - P2 - Made in Japan! (Pre-Owned)
    IDAS

    IDAS Light Pollution Suppression (LPS) Filters 48mm - P2 - Made in Japan! (Pre-Owned)

    Only 1 left
    $169.00 CAD
  • Lumicon Oxygen III (OIII) Filter - SCT Rear Cell - (Preowned)
    Lumicon

    Lumicon Oxygen III (OIII) Filter - SCT Rear Cell - (Preowned)

    Only 1 left
    $199.95 CAD
  • Lunt Solar Internal Double Stack Module for the LS100THa - DSII/LS100THa
    Lunt Solar Systems

    Lunt Solar Internal Double Stack Module for the LS100THa - DSII/LS100THa

    Out of stock
    $3,062.00 CAD
  • Lunt Solar Polarizing Filter for White Light Solar Wedge - 1.25" Round Mounted - PF-1.25
    Lunt Solar Systems

    Lunt Solar Polarizing Filter for White Light Solar Wedge - 1.25" Round Mounted - PF-1.25

    Out of stock
    $34.00 CAD
  • Lunt Solar Polarizing Filter for White Light Solar Wedge - 2" Round Mounted - PF-1
    Lunt Solar Systems

    Lunt Solar Polarizing Filter for White Light Solar Wedge - 2" Round Mounted - PF-1

    Out of stock
    $38.00 CAD