Skip to content
Our showroom will exceptionally be closed for Thanksgiving weekend, from Saturday the 12th to Monday the 14th.
Our showroom will exceptionally be closed for Thanksgiving weekend, from Saturday the 12th to Monday the 14th.

Sales

Filters

  • Save 5% Save %
    $718.34 USD
    $718.34 USD - $718.34 USD
    $718.34 USD
    $678.96 USD
    $678.96 USD - $678.96 USD
    $678.96 USD

    Antlia ALP-T Dualband 5nm Ha/OIII and SII/Hb Filter Set - 2"

    ANT-ALP-T-SET
    1 in stock

    $718.34 USD
    $718.34 USD - $718.34 USD
    $718.34 USD
    $678.96 USD
    $678.96 USD - $678.96 USD
    $678.96 USD
    Save 5% Save %
  • $484.00 USD - $484.00 USD
    $484.00 USD
    $484.00 USD - $484.00 USD
    $484.00 USD

    Astrodon H-alpha Filter - 5nm

    DON-HA5_31R
    Only 1 left!

    H-α (hydrogen-alpha) at 656 nm (nanometers) is deep red in color and the most popular narrowband filter. Hydrogen is ubiquitous in the cosmos and i...

    View full details
    $484.00 USD - $484.00 USD
    $484.00 USD
    $484.00 USD - $484.00 USD
    $484.00 USD
  • Save 12% Save %
    $484.00 USD
    $484.00 USD - $484.00 USD
    $484.00 USD
    $425.00 USD
    $425.00 USD - $425.00 USD
    $425.00 USD

    Astrodon SII Filter - 5nm

    DON-SII5_31R
    Only 1 left!

    If you want the look of Hubble Space Telescope (HST) images, such as the famous “Pillars of Creation” (the Eagle Nebula, Messier 16), then the next...

    View full details
    $484.00 USD
    $484.00 USD - $484.00 USD
    $484.00 USD
    $425.00 USD
    $425.00 USD - $425.00 USD
    $425.00 USD
    Save 12% Save %
  • Save 15% Save %
    $282.96 USD
    $282.96 USD - $282.96 USD
    $282.96 USD
    $239.93 USD
    $239.93 USD - $239.93 USD
    $239.93 USD

    Baader 4nm 1.25" Ultra-Narrowband OIII Filter - CMOS-Optimized (USED)

    BAA-2961400-125-USED
    Only 1 left!

    In perfect condition, used Baader H-alpha / O-III / S-II Ultra-Narrowband (Narrowband) filter set - Premium Grade 3.5 / 4 nm half width (to harmo...

    View full details
    $282.96 USD
    $282.96 USD - $282.96 USD
    $282.96 USD
    $239.93 USD
    $239.93 USD - $239.93 USD
    $239.93 USD
    Save 15% Save %
  • Save 6% Save %
    $193.26 USD
    $193.26 USD - $193.26 USD
    $193.26 USD
    $182.32 USD
    $182.32 USD - $182.32 USD
    $182.32 USD

    Baader 6.5nm 36mm H-alpha Filter - CMOS-Optimized (OPEN BOX)

    BAA-2961100-36-OPENBOX
    Only 1 left!

    In perfect condition, open box Baader H-alpha / O-III / S-II Narrowband Filter Set - Precision Grade 6.5 nm FWHM, recommended for optical systems...

    View full details
    $193.26 USD
    $193.26 USD - $193.26 USD
    $193.26 USD
    $182.32 USD
    $182.32 USD - $182.32 USD
    $182.32 USD
    Save 6% Save %
  • Save 31% Save %
    $306.30 USD
    $306.30 USD - $306.30 USD
    $306.30 USD
    $211.49 USD
    $211.49 USD - $211.49 USD
    $211.49 USD

    Baader CCD LRGB 31mm Unmounted Filter Set (OPEN BOX)

    BAA-2459474-OPENBOX
    Only 1 left!

    In perfect condition, open box Filter size 31 mm - round, unmounted - filter thickness 2 mm Set of L-R-G-B filters High-quality anti-reflective ...

    View full details
    $306.30 USD
    $306.30 USD - $306.30 USD
    $306.30 USD
    $211.49 USD
    $211.49 USD - $211.49 USD
    $211.49 USD
    Save 31% Save %
  • Save 5% Save %
    $346.41 USD
    $346.41 USD - $346.41 USD
    $346.41 USD
    $328.18 USD
    $328.18 USD - $328.18 USD
    $328.18 USD

    Baader LRGB 36mm Unmounted Filter Set - CMOS-Optimized (OPEN BOX)

    BAA-2961610-OPENBOX
    Only 1 left!

    In perfect condition, open box New CMOS-optimized L-RGB filters from Baader Planetarium with Reflex-Blocker™ and Life-Coat™. Baader CMOS RGB Bandp...

    View full details
    $346.41 USD
    $346.41 USD - $346.41 USD
    $346.41 USD
    $328.18 USD
    $328.18 USD - $328.18 USD
    $328.18 USD
    Save 5% Save %
  • Save 14% Save %
    $2,799.00 USD
    $2,799.00 USD - $2,799.00 USD
    $2,799.00 USD
    $2,399.00 USD
    $2,399.00 USD - $2,399.00 USD
    $2,399.00 USD

    Celestron Advanced VX 8" EdgeHD Telescope

    CEL-12031
    1 in stock

    Features 8" (203.2mm) f/10 EdgeHD includes StarBright XLT coatings for better light transmission EdgeHD optical design fully corrects for coma and ...

    View full details
    $2,799.00 USD
    $2,799.00 USD - $2,799.00 USD
    $2,799.00 USD
    $2,399.00 USD
    $2,399.00 USD - $2,399.00 USD
    $2,399.00 USD
    Save 14% Save %
  • Save 16% Save %
    $3,679.00 USD
    $3,679.00 USD - $3,679.00 USD
    $3,679.00 USD
    $3,099.00 USD
    $3,099.00 USD - $3,099.00 USD
    $3,099.00 USD

    Celestron Advanced VX 9.25" EdgeHD Telescope

    CEL-12033
    1 in stock

    Features 9.25" (235mm) f/10 EdgeHD optical tube fully corrects for coma and field curvature, delivering a truly flat field Native f/10 focal ratio...

    View full details
    $3,679.00 USD
    $3,679.00 USD - $3,679.00 USD
    $3,679.00 USD
    $3,099.00 USD
    $3,099.00 USD - $3,099.00 USD
    $3,099.00 USD
    Save 16% Save %
  • $319.95 USD - $319.95 USD
    $319.95 USD
    $319.95 USD - $319.95 USD
    $319.95 USD

    Celestron AstroMaster 90AZ Telescope

    CEL-21063
    1 in stock

    Features 90mm refractor telescope with fully coated glass optics and a lightweight frame. Observe in no time with a quick and easy, no-tool setup A...

    View full details
    $319.95 USD - $319.95 USD
    $319.95 USD
    $319.95 USD - $319.95 USD
    $319.95 USD
  • $159.95 USD - $159.95 USD
    $159.95 USD
    $159.95 USD - $159.95 USD
    $159.95 USD

    Celestron AstroMaster LT 70AZ Telescope

    CEL-21074
    1 in stock

    Features Quick and easy no-tool setup StarPointer for convenience Quick release dovetail attachment Pan handle Alt-Az control with clutch for smoot...

    View full details
    $159.95 USD - $159.95 USD
    $159.95 USD
    $159.95 USD - $159.95 USD
    $159.95 USD
  • $134.95 USD - $134.95 USD
    $134.95 USD
    $134.95 USD - $134.95 USD
    $134.95 USD

    Celestron AstroMaster LT 76AZ Telescope

    CEL-31036
    1 in stock

    Features Quick and easy no-tool setup StarPointer for convenience Quick release dovetail attachment Pan handle Alt-Az control with clutch for smoot...

    View full details
    $134.95 USD - $134.95 USD
    $134.95 USD
    $134.95 USD - $134.95 USD
    $134.95 USD
  • Save 16% Save %
    $5,699.00 USD
    $5,699.00 USD - $5,699.00 USD
    $5,699.00 USD
    $4,799.00 USD
    $4,799.00 USD - $4,799.00 USD
    $4,799.00 USD

    Celestron CGEM II 1100 EdgeHD Telescope

    CEL-12019
    1 in stock

    Features 11“ EdgeHD optics CGEM II computerized equatorial mount Celestron’s premium StarBright XLT coatings provide maximum light transmission A 9...

    View full details
    $5,699.00 USD
    $5,699.00 USD - $5,699.00 USD
    $5,699.00 USD
    $4,799.00 USD
    $4,799.00 USD - $4,799.00 USD
    $4,799.00 USD
    Save 16% Save %
  • Save 15% Save %
    $3,399.00 USD
    $3,399.00 USD - $3,399.00 USD
    $3,399.00 USD
    $2,899.00 USD
    $2,899.00 USD - $2,899.00 USD
    $2,899.00 USD

    Celestron CGEM II 800 EdgeHD Telescope

    CEL-12017
    1 in stock

    Features 8" EdgeHD optics CGEM II computerized equatorial mount Celestron’s premium StarBright XLT coatings provide maximum light transmission A 9x...

    View full details
    $3,399.00 USD
    $3,399.00 USD - $3,399.00 USD
    $3,399.00 USD
    $2,899.00 USD
    $2,899.00 USD - $2,899.00 USD
    $2,899.00 USD
    Save 15% Save %
  • Save 15% Save %
    $4,599.00 USD
    $4,599.00 USD - $4,599.00 USD
    $4,599.00 USD
    $3,899.00 USD
    $3,899.00 USD - $3,899.00 USD
    $3,899.00 USD

    Celestron CGEM II 925 EdgeHD Telescope

    CEL-12018
    1 in stock

    Features 9.25" EdgeHD optics CGEM II computerized equatorial mount Celestron’s premium StarBright XLT coatings provide maximum light transmission A...

    View full details
    $4,599.00 USD
    $4,599.00 USD - $4,599.00 USD
    $4,599.00 USD
    $3,899.00 USD
    $3,899.00 USD - $3,899.00 USD
    $3,899.00 USD
    Save 15% Save %
  • Save 16% Save %
    $6,399.00 USD
    $6,399.00 USD - $6,399.00 USD
    $6,399.00 USD
    $5,399.00 USD
    $5,399.00 USD - $5,399.00 USD
    $5,399.00 USD

    Celestron CGX Equatorial 1100 HD Telescope

    CEL-12057

    Features 11" HD Optical Tube Assembly CGX EQ Mount and Tripod Celestron’s premium StarBright XLT coatings provide maximum light transmission A 9x50...

    View full details
    $6,399.00 USD
    $6,399.00 USD - $6,399.00 USD
    $6,399.00 USD
    $5,399.00 USD
    $5,399.00 USD - $5,399.00 USD
    $5,399.00 USD
    Save 16% Save %
  • Save 15% Save %
    $4,099.00 USD
    $4,099.00 USD - $4,099.00 USD
    $4,099.00 USD
    $3,499.00 USD
    $3,499.00 USD - $3,499.00 USD
    $3,499.00 USD

    Celestron CGX Equatorial 800 HD Telescope

    CEL-12055

    Features 8" HD optics CGX computerized equatorial mount Celestron’s premium StarBright XLT coatings provide maximum light transmission A 9x50 finde...

    View full details
    $4,099.00 USD
    $4,099.00 USD - $4,099.00 USD
    $4,099.00 USD
    $3,499.00 USD
    $3,499.00 USD - $3,499.00 USD
    $3,499.00 USD
    Save 15% Save %
  • Save 15% Save %
    $5,299.00 USD
    $5,299.00 USD - $5,299.00 USD
    $5,299.00 USD
    $4,499.00 USD
    $4,499.00 USD - $4,499.00 USD