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Use Code: SB10 To Get 10% Off For Your First Onstep V4 Kit

    Onstep V4 telescope upgrade controller unit

    $135.60 $199.24
    Unit price  per 


    • Automatic nightscape tracking platform: Motorized tracking platform perfect for capturing incredible detail of the Milky Way, eclipses and other astronomical objects.
    • Automatically locates and tracks objects for you. Tracking Rates Sidereal, Solar and Lunar.
    • Double motor drive provides regulated sidereal-rate tracking in right ascension and declination.
    • Wifi/Bluetooth/USB connect.¬†Mobile terminal support ONSTEP,¬†¬†GotoMote,¬†¬†Stellarium+,¬†¬†SkySafari6/7 Pro.
    • 2.5 mm camera interface, no need to purchase dditional cable, can through the phone APP to control the shutter release/exposure time, exposure interval number.
    • PC terminal support PHD , NINA , Stellarium , SGP , INDI , ASCOM

      Please through our official website to purchase our Onstep kit.

      You wiil enjoy better transportation service and after-sales service.

      If you have any questions ,please feel free to contact me.

      Download the manual document and software
      EQ3D Installation instruction videoEQ3D installation instrction videoCelestron cg4 mount Onstep V4 Upgrade kit Tracking/star guide photography /ascomCelestron cg4 mount Onstep V4 Upgrade kit Tracking/star guide photography /ascomCelestron cg4 mount Onstep V4 Upgrade kit Tracking/star guide photography /ascomCelestron cg4 mount Onstep V4 Upgrade kit Tracking/star guide photography /ascom


    • Can you send me the wifi, English firmware and instruction?

    Please view our download page, we have ready wifi, English, reset firmware and their instructions for you to download.

    • What power and specificaiton of adapter do I need?

    If you don't powering other device, you can use 12V3A adapter. The specification of the adapter DC header is 5.5-2.1.

    • Can you tell me how long it will take me to receive the kit?

    We need three days to test your kit and ship out after we receive your order. The tracking time is 8-14 days .

    • Can I need to duty the customs fee or TVA?

    If you choose the international express, You may to duty the customs fee or TVA, the tracking time is 8-14 days but exclude the customs fee and TVA.If you choose the special line, you don't need to duty the customs fee and TVA, the tracking time is 15-25 days but include the customs fee and TVA.You can choice the express or special line in payment.

    • What language for the Onstep setting interface?

    Default, The SWS interface language is English.

    • Will your Onstep kit work with the iOS platform?

    Yes,our device can work with the IOS platform. You can choose our Onstep kit based on your mount.

    Worldwide Shipping

    Average 8-14 days shipping to North America.*Check the shipping policy for more information.

    30 Days Money Back

    If your product have issue or you don't like it,we will do our best to understand the issue and refund you directly!

    Security Payment

    Multiple payment methods

    In-Time Response

    24/7 Customer Support