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  • $173.00 - $173.00
    $173.00
    $173.00 - $173.00
    $173.00

    ZWO Off-Axis Guider (OAG)

    ZWO Off-Axis Guider The ZWO OAG comes with all adapters you will need for imaging and guiding. Lightweight 16.5mm thickness Large prism: 8x8mm Con...

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    $173.00 - $173.00
    $173.00
    $173.00 - $173.00
    $173.00
  • $237.99 - $237.99
    $237.99
    $237.99 - $237.99
    $237.99

    Askar Off-Axis Guider (OAG)

    In stock

    Askar Off-Axis Guider Askar introduced M54 off-axis guider for astronomy enthusiasts to achieve better guiding effect. The prism of Askar M54 OAG i...

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    $237.99 - $237.99
    $237.99
    $237.99 - $237.99
    $237.99
  • $2,004.31 - $2,004.31
    $2,004.31
    $2,004.31 - $2,004.31
    $2,004.31

    Astrodon MMOAG Off-Axis Guider - 4 Guide Ports (MMOAG-4)

    Astrodon Off-Axis Guider Astrodon Off-Axis Guider MonsterMOAG (Manual Off-Axis Guider) allows you to guide your telescope to obtain sharp, round st...

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    $2,004.31 - $2,004.31
    $2,004.31
    $2,004.31 - $2,004.31
    $2,004.31
  • $1,601.99 - $1,601.99
    $1,601.99
    $1,601.99 - $1,601.99
    $1,601.99

    Astrodon MMOAG Off-Axis Guider - 3 Guide Ports (MMOAG-3)

    Astrodon Off-Axis Guider Astrodon Off-Axis Guider MonsterMOAG (Manual Off-Axis Guider) allows you to guide your telescope to obtain sharp, round st...

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    $1,601.99 - $1,601.99
    $1,601.99
    $1,601.99 - $1,601.99
    $1,601.99
  • $1,199.66 - $1,199.66
    $1,199.66
    $1,199.66 - $1,199.66
    $1,199.66

    Astrodon MMOAG Off-Axis Guider - 2 Guide Ports (MMOAG-2)

    Astrodon MMOAG Off-Axis Guider Astrodon Off-Axis Guider MonsterMOAG (Manual Off-Axis Guider) allows you to guide your telescope to obtain sharp, ro...

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    $1,199.66 - $1,199.66
    $1,199.66
    $1,199.66 - $1,199.66
    $1,199.66
  • $797.34 - $797.34
    $797.34
    $797.34 - $797.34
    $797.34

    Astrodon MMOAG Off-Axis Guider - 1 Guide Port (MMOAG-1)

    Astrodon MMOAG Off-Axis Guider Astrodon Off-Axis Guider MonsterMOAG (Manual Off-Axis Guider) allows you to guide your telescope to obtain sharp, ro...

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    $797.34 - $797.34
    $797.34
    $797.34 - $797.34
    $797.34
  • $335.00 - $335.00
    $335.00
    $335.00 - $335.00
    $335.00

    Antlia OAG and Filter Drawer Assembly (OAGFD)

    In stock

    Antlia OAG and Filter Drawer Assembly OAG means Off-Axis Guider. Antlia OAG and filter drawer assembly is an innovative accessory that integrates...

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    $335.00 - $335.00
    $335.00
    $335.00 - $335.00
    $335.00
  • $269.00 - $269.00
    $269.00
    $269.00 - $269.00
    $269.00

    ZWO Off-Axis Guider Large (OAG-L)

    ZWO Off-Axis Guider - Large OAG-L is the latest iteration of M68 OAG with a larger prism size of 12*12mm. The bigger clear aperture brings wider fi...

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    $269.00 - $269.00
    $269.00
    $269.00 - $269.00
    $269.00
  • $178.22 - $178.22
    $178.22
    $178.22 - $178.22
    $178.22

    ADM D Series Universal 90m Adjustable Ring Set (DUPR90)

    ADM D Series Single 90m Adjustable Ring Set The ADM D Series Universal 90m Adjustable Ring Set fits D Series saddles. Includes two 90mm (ID) adjust...

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    $178.22 - $178.22
    $178.22
    $178.22 - $178.22
    $178.22
  • $171.57 - $171.57
    $171.57
    $171.57 - $171.57
    $171.57

    ADM D Series Universal 75mm Adjustable Ring Set (DUPR75)

    ADM D Series Single 75mm Adjustable Ring Set The ADM D Series Universal 75mm Adjustable Ring Set fits D Series saddles. Includes two 75mm (ID) adju...

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    $171.57 - $171.57
    $171.57
    $171.57 - $171.57
    $171.57
  • $198.17 - $198.17
    $198.17
    $198.17 - $198.17
    $198.17

    ADM D Series Universal 150mm Adjustable Ring Set (DUPR150)

    ADM D Series Single 150mm Adjustable Ring Set The ADM D Series Universal 150mm Adjustable Ring Set fits D Series saddles. Includes two 150mm (ID) a...

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    $198.17 - $198.17
    $198.17
    $198.17 - $198.17
    $198.17
  • $191.52 - $191.52
    $191.52
    $191.52 - $191.52
    $191.52

    ADM D Series Universal 125mm Adjustable Ring Set (DUPR125)

    ADM D Series Single 125mm Adjustable Ring Set The ADM D Series Universal 125mm Adjustable Ring Set fits D Series saddles. Includes two 125mm (ID) a...

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    $191.52 - $191.52
    $191.52
    $191.52 - $191.52
    $191.52
  • $184.87 - $184.87
    $184.87
    $184.87 - $184.87
    $184.87

    ADM D Series Universal 100mm Adjustable Ring Set (DUPR100)

    ADM D Series Single 100mm Adjustable Ring Set The ADM D Series Universal 100mm Adjustable Ring Set fits D Series saddles. Includes two 100mm (ID) a...

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    $184.87 - $184.87
    $184.87
    $184.87 - $184.87
    $184.87
  • $191.52 - $191.52
    $191.52
    $191.52 - $191.52
    $191.52

    ADM D Series Single 90m Adjustable Ring Set (SDR90)

    In stock

    ADM D Series Single 90m Adjustable Ring Set The ADM D Series Single 90m Adjustable Ring Set fits D Series dovetail bars. Includes two 90mm (ID) adj...

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    $191.52 - $191.52
    $191.52
    $191.52 - $191.52
    $191.52
  • $184.87 - $184.87
    $184.87
    $184.87 - $184.87
    $184.87

    ADM D Series Single 75mm Adjustable Ring Set (SDR75)

    ADM D Series Single 75mm Adjustable Ring Set The ADM D Series 75mm Adjustable Ring Single Set fits D Series dovetail bars. Includes two 75mm (ID) a...

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    $184.87 - $184.87
    $184.87
    $184.87 - $184.87
    $184.87
  • $211.47 - $211.47
    $211.47
    $211.47 - $211.47
    $211.47

    ADM D Series Single 150mm Adjustable Ring Set (SDR150)

    ADM D Series Single 150mm Adjustable Ring Set The ADM D Series Single 150mm Adjustable Ring Set fits D Series dovetail bars. Includes two 150mm (ID...

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    $211.47 - $211.47
    $211.47
    $211.47 - $211.47
    $211.47
  • $204.82 - $204.82
    $204.82
    $204.82 - $204.82
    $204.82

    ADM D Series Single 125mm Adjustable Ring Set (SDR125)

    ADM D Series Single 125mm Adjustable Ring Set The ADM D Series Single 125mm Adjustable Ring Set fits D Series dovetail bars. Includes two 125mm (ID...

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    $204.82 - $204.82
    $204.82
    $204.82 - $204.82
    $204.82
  • $198.17 - $198.17
    $198.17
    $198.17 - $198.17
    $198.17

    ADM D Series Single 100mm Adjustable Ring Set (SDR100)

    ADM D Series Single 100mm Adjustable Ring Set The ADM D Series Single 100mm Adjustable Ring Set fits D Series dovetail bars. Includes two 100mm (ID...

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    $198.17 - $198.17
    $198.17
    $198.17 - $198.17
    $198.17
  • $191.52 - $191.52
    $191.52
    $191.52 - $191.52
    $191.52

    ADM D Series 90m Adjustable Ring Set (DR90)

    ADM D Series 90mm Adjustable Ring Set The ADM D Series 90mm Adjustable Ring Set fits D Series dovetail bars. Includes two 90mm (ID) adjustable guid...

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    $191.52 - $191.52
    $191.52
    $191.52 - $191.52
    $191.52
  • $184.87 - $184.87
    $184.87
    $184.87 - $184.87
    $184.87

    ADM D Series 75mm Adjustable Ring Set (DR75)

    ADM D Series 75mm Adjustable Ring Set The ADM D Series 75mm Adjustable Ring Set fits D Series dovetail bars. Includes two 75mm (ID) adjustable guid...

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    $184.87 - $184.87
    $184.87
    $184.87 - $184.87
    $184.87
  • $204.82 - $204.82
    $204.82
    $204.82 - $204.82
    $204.82

    ADM D Series 125mm Adjustable Ring Set (DR125)

    ADM D Series 125mm Adjustable Ring Set The ADM D Series 125mm Adjustable Ring Set fits D Series dovetail bars. Includes two 125mm (ID) adjustable g...

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    $204.82 - $204.82
    $204.82
    $204.82 - $204.82
    $204.82
  • $144.97 - $144.97
    $144.97
    $144.97 - $144.97
    $144.97

    William Optics Slide-Base UniGuide 32mm Scope

    William Optics Slide-Base UniGuide 32mm Scope In the Box William Optics Saddle Vixen Style Mounting Base Two Mounting Screws Warra...

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    $144.97 - $144.97
    $144.97
    $144.97 - $144.97
    $144.97
  • $85.12 - $85.12
    $85.12
    $85.12 - $85.12
    $85.12

    William Optics Slide-Base 50mm Guiding Rings with Adjustment Screws (M-GR50SL)

    In stock

    William Optics Slide-base 50mm Guiding Rings with Adjustment Screws Weight：260g In the Box William Optics Slide-Base 50mm Guiding Rings 6 x Adju...

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    $85.12 - $85.12
    $85.12
    $85.12 - $85.12
    $85.12
  • $85.12 - $85.12
    $85.12
    $85.12 - $85.12
    $85.12

    William Optics Slide-Base 50mm Guiding Rings (M-GR50IISL)

    In stock

    William Optics Slide-Base 50mm Guiding Rings Install your 50mm William Optics Guide Scope or Finder scope on your slide handle with the William Opt...

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    $85.12 - $85.12
    $85.12
    $85.12 - $85.12
    $85.12
  • $582.54 - $582.54
    $582.54
    $582.54 - $582.54
    $582.54

    William Optics Guide Star 61

    William Optics Guide Star 61         Technical Specifications Focal Ratio f/5.9Optical Design RefractorTelescope Aperture 61mm (2.4″)Telescope Mo...

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    $582.54 - $582.54
    $582.54
    $582.54 - $582.54
    $582.54
  • $134.00 - $134.00
    $134.00
    $134.00 - $134.00
    $134.00

    ZWO 30mm Mini Guide Scope (30F4)

    In stock

    ZWO 30mm Mini Guide Scope The ZWO 30mm Mini Guide Scope is compatible with all ASI cameras. It's perfect for guiding short focal length telescopes....

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    $134.00 - $134.00
    $134.00
    $134.00 - $134.00
    $134.00
  • $216.79 - $216.79
    $216.79
    $216.79 - $216.79
    $216.79

    William Optics UniGuide 50mm Slide-Base Guide Scope

    William Optics UniGuide 50mm Slide-Base Guide Scope Technical Specifications Focal Length: 200 mm (7.87") Focal Ratio: f/4 Diamet...

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    $216.79 - $216.79
    $216.79
    $216.79 - $216.79
    $216.79
  • $187.53 - $187.53
    $187.53
    $187.53 - $187.53
    $187.53

    William Optics 50mm Guide Scope

    In stock

    William Optics 50mm Guide Scope The RotoLock fully multicoated William Optics 50mm Guide Scope f/4 fits perfectly on your William Optics and other ...

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    $187.53 - $187.53
    $187.53
    $187.53 - $187.53
    $187.53
  • $450.00 - $450.00
    $450.00
    $450.00 - $450.00
    $450.00

    Sky-Watcher Evoguide 50DX APO Guide Scope Astrograph (S11174)

    In stock

    Sky-Watcher Evoguide 50DX APO Guide Scope Astrograph The EvoGuide 50DX Apo Guide Scope Astrograph takes Sky-Watcher's doublet design and packages i...

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    $450.00 - $450.00
    $450.00
    $450.00 - $450.00
    $450.00
  • $225.00 - $225.00
    $225.00
    $225.00 - $225.00
    $225.00

    Starfield Optics 60mm Guide Scope (SFG-60GII)

    Starfield Optics 60mm Guide Scope The Starfield Optics 60mm Guide Scope is high quality, compact 60mm aperture guide-scope made of metal-alloy that...

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    $225.00 - $225.00
    $225.00
    $225.00 - $225.00
    $225.00
  • $200.01 - $200.01
    $200.01
    $200.01 - $200.01
    $200.01

    Starfield Optics 50mm Guide Scope (SFG-50GII)

    Starfield Optics 50mm Guide Scope 50mm F4.1 205mm guidescope with Helical Focuser with Lens diameter: 60mm Adjustable micro-focuser Fully multi-coa...

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    $200.01 - $200.01
    $200.01
    $200.01 - $200.01
    $200.01
  • $239.40 - $239.40
    $239.40
    $239.40 - $239.40
    $239.40

    QHYCCD OAG Small (QHYOAG-S)

    In stock

    QHYCCD OAG Small There are three models of QHYOAG: QHYOAG-S, QHYOAG-M, and QHYOAG-L for different size sensors. The QHYOAG is a thin and solid desi...

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    $239.40 - $239.40
    $239.40
    $239.40 - $239.40
    $239.40
  • $144.97 - $171.57
    $144.97 - $171.57
    $144.97 - $171.57
    $144.97

    QHYCCD mini Guide Scope (MINIGS-WM)

    QHYCCD miniGuideScope with Telescope Connector Elegant Appearance The miniGuideScope is exquisite in workmanship, elegant in style, and has a high ...

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    $144.97 - $171.57
    $144.97 - $171.57
    $144.97 - $171.57
    $144.97
  • $305.90 - $305.90
    $305.90
    $305.90 - $305.90
    $305.90

    QHYCCD Medium OAG (QHYOAG-M)

    QHYCCD Medium OAG There are three models of QHYOAG: QHYOAG-S, QHYOAG-M, and QHYOAG-L for different size sensors. The QHYOAG is a thin and solid des...

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    $305.90 - $305.90
    $305.90
    $305.90 - $305.90
    $305.90
  • $372.40 - $372.40
    $372.40
    $372.40 - $372.40
    $372.40

    QHYCCD Large OAG (QHYOAG-L)

    QHYCCD Large OAG There are three models of QHYOAG: QHYOAG-S, QHYOAG-M, and QHYOAG-L for different size sensors. The QHYOAG is a thin and solid desi...

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    $372.40 - $372.40
    $372.40
    $372.40 - $372.40
    $372.40
  • $66.57 - $66.57
    $66.57
    $66.57 - $66.57
    $66.57

    PrimaluceLab Guide Rings PLUS 80mm (PLLANGU80P)

    PrimaluceLab Guide Rings PLUS 80mm If you want to install a guide telescope in parallel to the main one, guide rings offer the simplest and cheapes...

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    $66.57 - $66.57
    $66.57
    $66.57 - $66.57
    $66.57
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