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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!

Optical Accessories

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    William Optics STC Ultra Layer Astro Multispectra Filter - 48mm

    WO-YF-STC-M48

    Multi-bandpass filter for astrophotography 48mm thread-on design for easy attachment Description The William Optics STC Ultra ...

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    William Optics SWAN 72° 40mm Eyepiece - 2"

    WO-E-SWA40

    2-inch eyepiece with 72° apparent field of view 40mm focal length for wide-field, low-magnification viewing Description The Wi...

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    William Optics SWAN 72° 9mm Eyepiece - 1.25"

    WO-E-SWA09

    1.25-inch eyepiece with 72° apparent field of view 9mm focal length for high-magnification, wide-field viewing Description The...

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    CA$1,045.00

    William Optics WO x0.72 Reducer Flattener 8

    WO-P-FLAT8

    0.72x reducer/flattener for William Optics refractor telescopes Reduces focal length and corrects field curvature for improved astrophotogra...

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    William Optics x0.8 Reducer Flattener 7A

    WO-P-FLAT7A

    0.8x reducer/flattener for William Optics refractor telescopes Reduces focal length while correcting field curvature Description ...

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    ZWO 1/3" 2.1mm 150° lens

    ZWO-LENS-2.1
    1 in stock

    ZWO 1/3″ 2.1mm 150 degree lensTechnical Parameter:Format support: 1/3″ sensorFocal length: 2.1mmWide angel: 150 degreeMatch Model：ASI120mm, ASI120m...

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    ZWO 2.5mm 170° lens

    ZWO-LENS-2-5
    1 in stock

    ZWO 2.5mm 170 degree lensTechnical Parameter:Format support: 1/2″ sensorFocal length: 2.5mmWide angel: 170 degreeMatch Model：ASI178MM, ASI178MC, AS...

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    ZWO AR Protective Window

    Options available

    AR Protective WindowZWO D21 AR protect windowTechnical Parameter:Diameter: 21mmType: AR windowThickness: 1.1mmFlatness: 1/4 λProtect the sensor fro...

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    ZWO Atmospheric Dispersion Corrector

    ZWO-ADC
    4 in stock

    ZWO ADC is voted as “ HOT SKY PRODUCT – 2017” by SKY&TELESCOPE magazine! Specifications

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    ZWO CH4 Methane Filter - 20nm 1.25"

    ZWO-CH4
    1 in stock

    The ZWO Methane band (CH4) filter is a special filter for photographical use.Its FWHM is 20nm which is suitable for most IR sensetive color or mono...

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    ZWO CS Lens 2.8mm-12mm F1.4

    ZWO-LENS-2.8-12
    1 in stock

    2.8mm-12mm F1.4 lens is suitable for ASI120MM/MC，ASI290MM/MC and ASI224MCThis lens has bigger diameter than the 2.1mm lens come with ASI120MM/MC.It...

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    ZWO Duo-Band Filter

    Options available
    7 variants in stock

    ZWO Duo-Band Filter is a dual narrowband filter primarily aimed at complementing our range of colour ASI cameras. The Duo-Band filter is aimed at t...

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    ZWO FF107/FF130 APO 0.7× Universal Reducer

    ZWO-F107130RE
    2 in stock

    Shortens the Focal Ratio of the FF107APO & FF130APO Focal Ratio shortened to f/4.9 Reduces th...

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    ZWO FF65 APO 0.75× Full Frame Reducer

    ZWO-F65RE
    1 in stock

    Shortens the Focal Ratio of the FF65APO Focal Ratio from f/6.4 to f/4.8 Reduces the Focal Length to 312mm Reduction Factor of 0.75x Standard 55mm ...

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    ZWO FF80 APO 0.76× Full Frame Reducer

    ZWO-F80RE
    1 in stock

    Shortens the Focal Ratio of the FF80APO Focal Ratio from f/7.5 to f/5.7 Reduces the Focal Length ...

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    ZWO Filter Masks

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    ZWO filter masks are used for ZWO filter wheels.Please use the M2 screws and masks to fix the filters:⚫ Remove the screws securing the back cover a...

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    ZWO IR 850nm Pass Filter – 1.25"

    ZWO-850IR1-25
    1 in stock

    ZWO 1.25″ IR 850nm Pass Filter suitable for IR sensitive cameras. You don’t need to debayer and get the full resolution of this sensor when use it ...

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    ZWO IR-Cut Protective Window

    Options available

    UV IR-CUT Protective WindowZWO D21 UV IR-CUT protect windowTechnical Parameter:Diameter: 21mmType: UV IR-cut windowThickness: 1.1mmFlatness: 1/4 λM...

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    ZWO LRGB Optimized Filters

    Options available
    3 variants in stock

    The new ZWO LRGB Filters are designed to approximately equalize the flux of ASI1600 mono sensorBetter transmission, Better coating, Better color...

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    ZWO Narrowband Filter Set - 7nm H-alpha, OIII & SII

    Options available
    1 variants in stock

    7nm Bandpass for Precision Imaging Enhanced Nebula Imaging Light Pollution Suppression ...

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    ZWO Narrowband H-alpha Filter - 7nm

    Options available
    3 variants in stock

    7nm Bandpass for Precision Imaging Enhanced Nebula Imaging Light Pollution Suppression ...

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    ZWO Narrowband OIII Filter - 7nm

    Options available
    3 variants in stock

    7nm Bandpass for Precision Imaging Enhanced Nebula Imaging Light Pollution Suppression ...

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    ZWO Narrowband SII Filter - 7nm

    Options available
    3 variants in stock

    Precise 7nm Bandpass Enhanced Contrast for Emission Nebulae Light Pollution Reduction ...

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    ZWO UV/IR CUT Filter

    Options available
    13 variants in stock

    IR-Cut 1.25" or 2" Thread Size Description Specifications Diagrams & Ressources In the ...

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