Skip to content
ZWO Seestar S30 Desktop
Holiday Schedule: We’ll be taking a short break from December 24th to December 29th to enjoy the holidays. During this time, the store will be closed, no orders will be shipped, and support will be unavailable. Happy Holidays!
Holiday Schedule: We’ll be taking a short break from December 24th to December 29th to enjoy the holidays. During this time, the store will be closed, no orders will be shipped, and support will be unavailable. Happy Holidays!

Sales

Filters

  • Save 15% Save %
    CA$3,219.00
    CA$3,219.00 - CA$3,219.00
    CA$3,219.00
    CA$2,736.00
    CA$2,736.00 - CA$2,736.00
    CA$2,736.00

    Askar 107PHQ f/7 Quadruplet APO

    ASK-107PHQ

    As the first long-focal-ratio Flatfield astrograph from Askar, 107PHQ is born with a special mission: whether you are just getting started in astro...

    View full details
    CA$3,219.00
    CA$3,219.00 - CA$3,219.00
    CA$3,219.00
    CA$2,736.00
    CA$2,736.00 - CA$2,736.00
    CA$2,736.00
    Save 15% Save %
  • Save 15% Save %
    CA$4,899.00
    CA$4,899.00 - CA$4,899.00
    CA$4,899.00
    CA$4,164.00
    CA$4,164.00 - CA$4,164.00
    CA$4,164.00

    Askar 130PHQ f/7 Quadruplet APO

    ASK-130PHQ

    130PHQ is a long-focal-ratio, flatfield astrograph newly launched after 107PHQ. Instead of buying extra flatteners, calculating the backfocus of fl...

    View full details
    CA$4,899.00
    CA$4,899.00 - CA$4,899.00
    CA$4,899.00
    CA$4,164.00
    CA$4,164.00 - CA$4,164.00
    CA$4,164.00
    Save 15% Save %
  • Save 15% Save %
    CA$2,099.00
    CA$2,099.00 - CA$2,099.00
    CA$2,099.00
    CA$1,784.00
    CA$1,784.00 - CA$1,784.00
    CA$1,784.00

    Askar 80PHQ f/7 Quadruplet APO

    ASK-80PHQ

    80mm aperture, f/7 focal ratio quadruplet apochromatic refractor Designed for high-quality astrophotography and visual observation Des...

    View full details
    CA$2,099.00
    CA$2,099.00 - CA$2,099.00
    CA$2,099.00
    CA$1,784.00
    CA$1,784.00 - CA$1,784.00
    CA$1,784.00
    Save 15% Save %
  • CA$658.00 - CA$658.00
    CA$658.00
    CA$678.00
    CA$678.00 - CA$678.00
    CA$678.00

    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
    CA$658.00 - CA$658.00
    CA$658.00
    CA$678.00
    CA$678.00 - CA$678.00
    CA$678.00
  • Save 10% Save %
    CA$658.00
    CA$658.00 - CA$658.00
    CA$658.00
    CA$595.00
    CA$595.00 - CA$595.00
    CA$595.00

    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
    CA$658.00
    CA$658.00 - CA$658.00
    CA$658.00
    CA$595.00
    CA$595.00 - CA$595.00
    CA$595.00
    Save 10% Save %
  • Save 20% Save %
    CA$81.00
    CA$81.00 - CA$81.00
    CA$81.00
    CA$65.00
    CA$65.00 - CA$65.00
    CA$65.00

    Baader 2.25x Q-Barlow - 1.25"

    BAA-2956185
    1 in stock

    Baader Planetarium Q-Barlow 2.25x / 1.3xThis high-quality 2.25x Barlow made of exotic glasses provides the rare extension factor of 2.25x. So, ther...

    View full details
    CA$81.00
    CA$81.00 - CA$81.00
    CA$81.00
    CA$65.00
    CA$65.00 - CA$65.00
    CA$65.00
    Save 20% Save %
  • Save 16% Save %
    CA$388.00
    CA$388.00 - CA$388.00
    CA$388.00
    CA$327.00
    CA$327.00 - CA$327.00
    CA$327.00

    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
    CA$388.00
    CA$388.00 - CA$388.00
    CA$388.00
    CA$327.00
    CA$327.00 - CA$327.00
    CA$327.00
    Save 16% Save %
  • Save 6% Save %
    CA$265.00
    CA$265.00 - CA$265.00
    CA$265.00
    CA$248.00
    CA$248.00 - CA$248.00
    CA$248.00

    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
    CA$265.00
    CA$265.00 - CA$265.00
    CA$265.00
    CA$248.00
    CA$248.00 - CA$248.00
    CA$248.00
    Save 6% Save %
  • Save 31% Save %
    CA$420.00
    CA$420.00 - CA$420.00
    CA$420.00
    CA$288.00
    CA$288.00 - CA$288.00
    CA$288.00

    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
    CA$420.00
    CA$420.00 - CA$420.00
    CA$420.00
    CA$288.00
    CA$288.00 - CA$288.00
    CA$288.00
    Save 31% Save %
  • Save 20% Save %
    CA$107.00
    CA$107.00 - CA$107.00
    CA$107.00
    CA$86.00
    CA$86.00 - CA$86.00
    CA$86.00

    Baader Classic Ortho 10mm Eyepiece - 1.25"

    BAA-2954110
    1 in stock

    Baader Classic Ortho/Plössl (Q-Turret) 1¼" EyepiecesEven before the disappearance of the famed Baader Genuine Orthoscopics, Baader Planetarium soug...

    View full details
    CA$107.00
    CA$107.00 - CA$107.00
    CA$107.00
    CA$86.00
    CA$86.00 - CA$86.00
    CA$86.00
    Save 20% Save %
  • Save 20% Save %
    CA$107.00
    CA$107.00 - CA$107.00
    CA$107.00
    CA$86.00
    CA$86.00 - CA$86.00
    CA$86.00

    Baader Classic Ortho 18mm Eyepiece - 1.25"

    BAA-2954118
    2 in stock

    Baader Classic Ortho/Plössl (Q-Turret) 1¼" EyepiecesEven before the disappearance of the famed Baader Genuine Orthoscopics, Baader Planetarium soug...

    View full details
    CA$107.00
    CA$107.00 - CA$107.00
    CA$107.00
    CA$86.00
    CA$86.00 - CA$86.00
    CA$86.00
    Save 20% Save %
  • Save 20% Save %
    CA$107.00
    CA$107.00 - CA$107.00
    CA$107.00
    CA$86.00
    CA$86.00 - CA$86.00
    CA$86.00

    Baader Classic Ortho 6mm Eyepiece - 1.25"

    BAA-2954106
    1 in stock

    Baader Classic Ortho/Plössl (Q-Turret) 1¼" EyepiecesEven before the disappearance of the famed Baader Genuine Orthoscopics, Baader Planetarium soug...

    View full details
    CA$107.00
    CA$107.00 - CA$107.00
    CA$107.00
    CA$86.00
    CA$86.00 - CA$86.00
    CA$86.00
    Save 20% Save %
  • Save 19% Save %
    CA$99.00
    CA$99.00 - CA$99.00
    CA$99.00
    CA$80.00
    CA$80.00 - CA$80.00
    CA$80.00

    Baader Classic Plossl 32mm Eyepiece - 1.25"

    BAA-2954132
    1 in stock

    Baader Classic Ortho/Plössl (Q-Turret) 1¼" EyepiecesEven before the disappearance of the famed Baader Genuine Orthoscopics, Baader Planetarium soug...

    View full details
    CA$99.00
    CA$99.00 - CA$99.00
    CA$99.00
    CA$80.00
    CA$80.00 - CA$80.00
    CA$80.00
    Save 19% Save %
  • Save 20% Save %
    CA$241.00
    CA$241.00 - CA$241.00
    CA$241.00
    CA$193.00
    CA$193.00 - CA$193.00
    CA$193.00

    Baader Hyperion 68° 10mm Eyepiece - 1.25"/2"

    BAA-2454610
    4 in stock

    Variable focal length with optional extensions 68° Field of view Comfortable 22mm eye relief 1.25" and 2" compatible Camera ready (with optional a...

    View full details
    CA$241.00
    CA$241.00 - CA$241.00
    CA$241.00
    CA$193.00
    CA$193.00 - CA$193.00
    CA$193.00
    Save 20% Save %
  • Save 20% Save %
    CA$241.00
    CA$241.00 - CA$241.00
    CA$241.00
    CA$193.00
    CA$193.00 - CA$193.00
    CA$193.00

    Baader Hyperion 68° 13mm Eyepiece - 1.25"/2"

    BAA-2454613
    4 in stock

    Baader Hyperion Eyepiece 13mm Huge 68 degree wide angle field, tailored to the maximum Visual angle of the human eye Phantom group coatings in Zei...

    View full details
    CA$241.00
    CA$241.00 - CA$241.00
    CA$241.00
    CA$193.00
    CA$193.00 - CA$193.00
    CA$193.00
    Save 20% Save %
  • Save 20% Save %
    CA$241.00
    CA$241.00 - CA$241.00
    CA$241.00
    CA$193.00
    CA$193.00 - CA$193.00
    CA$193.00

    Baader Hyperion 68° 17mm Eyepiece - 1.25"/2"

    BAA-2454617
    4 in stock

    Baader Hyperion Eyepiece 17mm Huge 68 degree wide angle field, tailored to the maximum Visual angle of the human eye Phantom group coatings in Zei...

    View full details
    CA$241.00
    CA$241.00 - CA$241.00
    CA$241.00
    CA$193.00
    CA$193.00 - CA$193.00
    CA$193.00
    Save 20% Save %
  • Save 20% Save %
    CA$241.00
    CA$241.00 - CA$241.00
    CA$241.00
    CA$193.00
    CA$193.00 - CA$193.00
    CA$193.00

    Baader Hyperion 68° 21mm Eyepiece - 1.25"/2"

    BAA-2454621
    4 in stock

    Baader Hyperion Eyepiece 21mm Huge 68 degree wide angle field, tailored to the maximum Visual angle of the human eye Phantom group coatings in Zei...

    View full details
    CA$241.00
    CA$241.00 - CA$241.00
    CA$241.00
    CA$193.00
    CA$193.00 - CA$193.00
    CA$193.00
    Save 20% Save %
  • Save 20% Save %
    CA$241.00
    CA$241.00 - CA$241.00
    CA$241.00
    CA$193.00
    CA$193.00 - CA$193.00
    CA$193.00

    Baader Hyperion 68° 24mm Eyepiece - 1.25"/2"

    BAA-2454624
    4 in stock

    Baader Hyperion Eyepiece 24mm Huge 68 degree wide angle field, tailored to the maximum Visual angle of the human eye Phantom group coatings in Zei...

    View full details
    CA$241.00
    CA$241.00 - CA$241.00
    CA$241.00
    CA$193.00
    CA$193.00 - CA$193.00
    CA$193.00
    Save 20% Save %
  • Save 20% Save %
    CA$241.00
    CA$241.00 - CA$241.00
    CA$241.00
    CA$193.00
    CA$193.00 - CA$193.00
    CA$193.00

    Baader Hyperion 68° 5mm Modular Eyepiece - 1.25" & 2"

    BAA-2454605
    4 in stock

    Variable focal length with optional extensions 68° Field of view Comfortable 20mm eye relief 1.25" and 2" compatible Camera ready (with optional a...

    View full details
    CA$241.00
    CA$241.00 - CA$241.00
    CA$241.00
    CA$193.00
    CA$193.00 - CA$193.00
    CA$193.00
    Save 20% Save %
  • Save 20% Save %
    CA$241.00
    CA$241.00 - CA$241.00
    CA$241.00
    CA$193.00
    CA$193.00 - CA$193.00
    CA$193.00

    Baader Hyperion 68° 8mm Eyepiece - 1.25"/2"

    BAA-2454608
    4 in stock

    Variable focal length with optional extensions 68° Field of view Comfortable 20mm eye relief 1.25" and 2" compatible Camera ready (with optional a...

    View full details
    CA$241.00
    CA$241.00 - CA$241.00
    CA$241.00
    CA$193.00
    CA$193.00 - CA$193.00
    CA$193.00
    Save 20% Save %
  • Save 20% Save %
    CA$1,566.00
    CA$1,566.00 - CA$1,566.00
    CA$1,566.00
    CA$1,253.00
    CA$1,253.00 - CA$1,253.00
    CA$1,253.00

    Baader Hyperion 68° Eyepiece Set

    BAA-2454600
    4 in stock

    Baader Hyperion Eyepiece Complete Set of 7 eyepieces, including fitted foam case. Huge 68 degree wide angle field, tailored to the maximum Visual ...

    View full details
    CA$1,566.00
    CA$1,566.00 - CA$1,566.00
    CA$1,566.00
    CA$1,253.00
    CA$1,253.00 - CA$1,253.00
    CA$1,253.00
    Save 20% Save %
  • Save 20% Save %
    CA$284.00
    CA$284.00 - CA$284.00
    CA$284.00
    CA$228.00
    CA$228.00 - CA$228.00
    CA$228.00

    Baader Hyperion Aspheric 72° 31mm Eyepiece - 1.25"/2"

    BAA-2454631
    1 in stock

    Baader Hyperion Aspheric Eyepiece 31mm Huge 72 degree wide angle field, tailored to the maximum Visual angle of the human eye Phantom group coatin...

    View full details
    CA$284.00
    CA$284.00 - CA$284.00
    CA$284.00
    CA$228.00
    CA$228.00 - CA$228.00
    CA$228.00
    Save 20% Save %
  • Save 20% Save %
    CA$299.00
    CA$299.00 - CA$299.00
    CA$299.00
    CA$240.00
    CA$240.00 - CA$240.00
    CA$240.00

    Baader Hyperion Aspheric 72° 36mm Eyepiece - 1.25"/2"

    BAA-2454636
    1 in stock

    Baader Hyperion Aspheric Eyepiece 36mm Huge 72 degree wide angle field, tailored to the maximum Visual angle of the human eye Phantom group coatin...

    View full details
    CA$299.00
    CA$299.00 - CA$299.00
    CA$299.00
    CA$240.00
    CA$240.00 - CA$240.00
    CA$240.00
    Save 20% Save %
  • Save 20% Save %
    CA$401.00
    CA$401.00 - CA$401.00
    CA$401.00
    CA$321.00
    CA$321.00 - CA$321.00
    CA$321.00

    Baader Hyperion Universal Zoom Mark IV 8-24mm - 1.25"/2"

    BAA-2454826
    4 in stock

    The Baader Hyperion 8-24mm Clickstop Zoom continues the Hyperion tradition of delivering top-of-class performance and quality, at very reasonable p...

    View full details
    CA$401.00
    CA$401.00 - CA$401.00
    CA$401.00
    CA$321.00
    CA$321.00 - CA$321.00
    CA$321.00
    Save 20% Save %