Vixen SX2 GoTo Mount with Star Book One Controller Vixen
Vixen SX2 GoTo Mount with Star Book One Controller Vixen

Vixen SX2 GoTo Mount with Star Book One Controller

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    Estimated Arrival: Between Apr 30 and May 02. *ETA to USA Only

    Free Shipping to Continental US & Canada

    Features of the Vixen SX2 GoTo Mount with Star Book One Controller


    • Declination body acting as part of counterweight
    • Retractable counterweight bar
    • STAR BOOK ONE dual-axis controller


    The SX2 equatorial mount offers simple and easy operation of your telescope with a newly developed STAR BOOK ONE dual-axis handheld controller. With Vixen's accurate micro-step motion control technology, the SX2 mount achieves highly stable and smooth rotations of the pulse motors. The SX2 mount is a good choice for starting the first step to serious celestial observing.

    The massive motor units are placed in the lower part of the declination body so that the center of balance of the SX2 shifts below the intersection of the RA and Dec axes. This makes the lower portion of the declination body perform as a counterweight and allow the mount to work with less counterweight.

    Durable stainless steel is used for the counterweight bar. It is moved back into the mount body for storage by loosing the bar lock lever. It is convenient for transporting the mount and for easy set up.

    The SX2 mount comes with the STAR BOOK ONE controller featuring a variety of functions in a simple design. Designed for ease of use, the lightweight STAR BOOK ONE moves the SX2 mount on the X and Y dual axis (RA and Dec directions). Versatile tracking options are available in addition to sidereal and solar tracking rates. Backlash compensation, autoguider port and built-in red LED light are some of the useful functions of the STAR BOOK ONE


    RA slow motion; Worm and wheel gears with 180-tooth whole circle micro movement, 72mm in diameter
    DEC slow motion; Worm and wheel gears with 180-tooth whole circle micro movement, 72mm in diameter
    Worm shaft 9mm in diameter, brass
    RA and DEC axis RA: 40mm in diameter, aluminum alloy die casting, Dec: 35mm in diameter, aluminum alloy
    Number of bearings 5 pieces
    Counterweight bar 20mm in diameter retractable, stainless steel
    Polar scope Optional, Illuminator is pre-installed in the mount
    Altitude adjustment range Latitude adjustable between 0 degree and 70 degrees in 2 degrees increments(high, middle and low altitude settings at +/-15 degrees range of each)
    Azimuth fine adjustments Twin screw knobs (1.2 degrees per rotation)
    Altitude fine adjustments Tangent screw (0.8 degrees per rotation)
    Motor drive Pulse motors with micro-step motion control (250 pps)
    Automatic slewing High precision tracking with STAR BOOK ONE, 1,000X of sidereal rate at maximum slewing speed (X999 on display)
    Photographic loading weight 12 kg (Maximum torque load: 300 kg-cm at a point of 25cm from the place where the RA and Dec axes cross.)
    Controller; connecting port D-SUB9PIN Male
    Power; connecting port DC12V EIAJ RC5320A Class4
    Working voltage; Electricity consumption DC12V, 0.3A - 2.0A, With SX cigarette-lighter plug cord (center plus polarity)
    Size 343 x 360 x 128 mm
    Weight; 7 kg (without counterweight)
    Counterweight bar; 1.9 kg


    Vixen warranties its products to be free from initial defects in materials and workmanship for a specified period based on part type:

    Vixen Electronic Parts: Limited One Year Warranty 

    Vixen Mechanical Parts: Limited Two Year Warranty  

    These warranties do not cover defects caused by owner negligence. If a product has a qualifying defect, Vixen will repair or replace such product or part thereof that upon inspection by Vixen or an authorized representative is found to be defective in materials or workmanship. As a condition to the obligation of Vixen to repair or replace such product, the product must be returned together with proof‐of‐purchase and product registration satisfactory to Vixen. Repair Procedure:   To initiate the repair process for any Vixen product that presents with a defect during the period covered by the warranty, please contact a Customer Service representative at (855) 875-4515 or by email at to obtain a Return Merchandise Authorization (RMA) number and shipping address information.   Once you have received the RMA number, return said product or part to Explore Scientific. Customers are responsible for all shipping costs related to repairing the unit both returning the product to our facility and return shipment. In the event that you must return your Vixen product to Explore Scientific, we recommend that you use a carrier that offers shipment tracking for all returns with the ability to insure your package for full value and safe return to Explore Scientific so that you are completely protected if the shipment is lost or damaged in transit. (If you choose not to (1) use a carrier that offers tracking or (2) insure or declare the full value of the product, you will be responsible for any lost shipment.) Each return must include the RMA number (which should be written on the outside of the box), and proof of purchase to show that the return is within the warranty window, a written statement detailing the nature of the claimed defect, as well as your name, return shipping address, and a phone number where we and/or the carrier returning your product can reach you. (Usually included on the RMA Paperwork) Once the product arrives at Explore Scientific, our Quality Control team will inspect the item and address the reported problem if possible. If the Explore Scientific representatives are unable to repair the product, it will need to be returned to Japan for repair. At that point, the customer will be notified that the item needs to be returned to Japan for repair.  Customer will be informed of bi‐directional shipping costs related to returning the product to Vixen headquarters in Japan. To reduce those costs, Explore Scientific will be consolidating shipments to Japan once a month, and said product will also return together once corrected

    Shipping Policy

    Shipping Options:

    FREE STANDARD SHIPPING - Upon placement of the order, the parcel should ship out within 5 business days. Some products require a signature and some do not, it will depend on the price of the product. If the delivery driver does not feel comfortable leaving the package outside the home, they will keep it at a pickup location and leave you a note or attempt re-delivery at a later date.


    Order Confirmation:

    As soon as you place your order, you will receive an order confirmation e-mail.  This means that we have received your order in our system and pre-authorized your payment method for the purchase.  As soon as we receive your order, we automatically reach out to our suppliers to confirm that it is in stock and available for immediate shipment.  If your item is on back order or unavailable, we will void the pre-authorization and reach out to you via phone or e-mail. If your item(s) are available for immediate shipment (within five business days), we will process the charges and submit the order for delivery.

    Order Shipment:

    All products are shipped directly from the manufacturer. As a result, shipment times may vary. 

    If your order is in stock and we process the charges to your payment method, it will ship within five business days from the date of your order.  We will send you a shipping notification within 24 hours of your order leaving the warehouse to the e-mail address you provided when checking out.  If you do not receive shipping information from us within six business days of your order, please follow up with us at or give us a call @ (855) 875-4515


    Please inspect the packaging of your item(s) when they arrive, if you notice any damage you should make a note of it on the document when signing for delivery.  If your item(s) do arrive damaged, please send photos to, and we will process a return/refund on your behalf. 

    Return Policy

    Our policy lasts 30 days. If 30 days have gone by since your purchase, unfortunately we can’t offer you a refund or exchange.

    To be eligible for a return, your item must be unused and in the same condition that you received it. It must also be in the original packaging.

    All returns require an RMA number ( Return Merchandise Authorization). Please contact us at or call us at (855) 875-4515 and we will be more than happy to help with this process. No returns will be accepted without an RMA number, no exceptions.

    Several types of goods are exempt from being returned. Perishable goods such as food, flowers, newspapers or magazines cannot be returned. We also do not accept products that are intimate or sanitary goods, hazardous materials, or flammable liquids or gases.

    Additional non-returnable items:
    Gift cards
    Downloadable software products

    To complete your return, we require a receipt or proof of purchase.

    There are certain situations where only partial refunds are granted (if applicable)

    Book with obvious signs of use
    CD, DVD, VHS tape, software, video game, cassette tape, or vinyl record that has been opened
    Any item not in its original condition, is damaged or missing parts for reasons not due to our error
    Any item that is returned more than 30 days after delivery

    Refunds (if applicable)
    Once your return is received and inspected, we will send you an email to notify you that we have received your returned item. We will also notify you of the approval or rejection of your refund.
    If you are approved, then your refund will be processed, and a credit will automatically be applied to your credit card or original method of payment, within a certain amount of days.

    Late or missing refunds (if applicable)
    If you haven’t received a refund yet, first check your bank account again.
    Then contact your credit card company, it may take some time before your refund is officially posted.
    Next contact your bank. There is often some processing time before a refund is posted.
    If you’ve done all of this and you still have not received your refund yet, please contact us at

    Exchanges (if applicable)
    We only replace items if they are defective or damaged. If you need to exchange it for the same item, send us an email at


    You will be responsible for paying for your own shipping costs for returning your item. Shipping costs are non-refundable. If you receive a refund, the cost of return shipping will be deducted from your refund.

    Depending on where you live, the time it may take for your exchanged product to reach you, may vary.

    If you are shipping an item over $75, you should consider using a trackable shipping service or purchasing shipping insurance. We don’t guarantee that we will receive your returned item.

    The Vixen SX2 GoTo Mount with Star Book One Controller is a perfect choice for those who are looking for a reliable and accurate mount for their astronomical observation. It is equipped with a Star Book One controller that makes it easy to find and track your desired celestial object. Here are some of the features of this mount:

    1. Precise and smooth tracking - The Vixen SX2 GoTo Mount uses a high-precision motor that allows for ultra-smooth and accurate tracking of celestial objects. This ensures that you can observe your target objects for longer periods of time.

    2. Dual encoder technology - The mount is equipped with dual encoders that provide accurate and reliable position information for the mount. This allows for precise alignment and tracking, even during long observation sessions.

    3. Star Book One controller - The Star Book One controller is a user-friendly interface that allows you to quickly and easily find and track your desired celestial objects. It has a large LCD screen that displays all the necessary information, including the current time and location, as well as the position of your target object.

    4. Easy setup and operation - The Vixen SX2 GoTo Mount is easy to set up and operate, even for beginners. It comes with all the necessary accessories and cables, and the Star Book One controller has an intuitive menu system that guides you through the setup process.


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