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Vixen - AXD Equatorial Mount - (StarBook Ten)

Model#: 36911

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Manufactured by: Vixen


Vixen AXD Mount with StarBook Ten

The sleek design of the AXD Equatorial Mount covers innovative gearing (View here) for superior performance. Controlled by Vixen's new STAR BOOK TEN, the AXD combines all the features that the serious astronomer has been waiting for. The AXD Mount was names a 2011 Star Product by Astronomy Magazine. Read what Astronomy Magazine wrote about the AXD Mount. 

TEN in Japanese means "The Heavens" and this mount will get you there with ease. With observatory quality controls, popular objects appear on the High Definition screen and the AXD "SEE-TO" Technology shows you the sky before the GO-TO sends you there. With the ability to zoom to any area you can easily find your target object. When you have viewed all 270000 objects, you can enter and save your own discoveries. No computer needed with the STAR BOOK TEN.

The new Astro Imaging capabilities of the STAR BOOK TEN include integrated video imaging and Video Auto Guiding. With the Zoom In feature for guiding and planetary observing, you can lock on an object, capture the image, and save it to stack later. The full metal construction of this observatory quality mount incorporates bronze 135mm 270 tooth RA Gear and 21 Needle Bearings (13 on RA Axis & 8 on DEC Axis). With all these features and Permanent PEC, Night Vision Mode, and a 270,000 Database the STAR BOOK TEN with the NEW AXD Mount is a revolutionary design for telescope mounts. See the New STAR BOOK TEN in action. Covered by Vixen's 5 Year Warranty and manufactured in Japan.


Key Features:

  • Sturdy yet Light Weight: Strong and durable A7075 Aluminum Alloy is used for the R.A and DEC axes on the AXD Mount. The A7075 material is stronger than titanium and has a specific gravity 38% less than titanium. This makes the AXD Mount very sturdy but easily transported.


  • Smooth Movement: A total of 21 bearings are used in the mount's movable parts, for smooth movement and precise slewing of the AXD Mount.


  • Solid R.A. Worm Wheel: The AXD Mount has an R.A. Axis 50mm (abut 2" thick) and it is 20% larger when compared to the Atlux Mount. The brass R.A. worm wheel has 270 teeth, which contributes to the precise tracking of the AXD Mount.


  • Precision Stepping Motor: Vixen's precise micro-step motion control system generates 400 signal pulses per second on the stepping motor. The accurate rotations guarantees outstanding performance of the AXD Mount and excellent responsiveness. The stepping motors have a torque strong enough to slew a payload of 66lbs (30kg)


  • Advanced Motor Layout: The built in R.A. and DEC motors are placed in he lower part of the declination body on the AXD Mount. This brings the center of balance of the declination body under the crossing point between the R.A. and DEC axes and serves as a portion of counterweight. Moreover, the short distance from the crossing point to the mount head is a configuration designed to lighten a heavy counterweight.


  • VPEC Periodic Error Correction: The periodic motions of each AXD Mount are individually measured at Vixen's factory for accurate performance and precise periodic error correction. The periodic error, which is measured by the VPEC, is recorded on nonvolatile memory inside the mount and it is not lost when you turn off the power. This is a great advantage to both the novice and experienced astrophotographers, enabling you to take impressive astrophotographs with less likelihood of failure. Both PEC and VPEC can also be added by the user to raise the tracking accuracy as the occasion demands.


  • Minimum Backlash: The stepping motors control the rotation of the gears from low to high speed by means of Vixen's unique micro-step motion control system,. This eliminates the need for numerous reduction gears in the motor gear train resulting in excellent decrease in backlash.



Additional Information

Name Vixen - AXD Equatorial Mount - (StarBook Ten)
Manufacturer Vixen
Model 36911
Altitude Adjustment Latitude between 0° and 70° (3 divided adjustments, +-15° per zone), 2° increments, 3 altitude zones (For high, middle, and low latitude) Twin T-bar handles: 0.5° per rotation
Azimuth Adjustment Coarse setting: 360°; Fine Adjustment: About 7°, Twin tangent screws/knobs: About 1° per rotation
Counterweights 15.4lb
DEC Coordinates Display 50mm diameter, A7075 Aluminum alloy
DEC Slow Motion Axis 216 tooth full circle micro-movement gear, 108mm diameter, brass wheel
Dimensions 18x18.3x 6 Inches
Gear 14mm diameter, brass
Motor Drive Stepping (Pulse) Motors with 400PPS
Payload Capacity 30 kg (66 lb) (750kgs, cm torque load: About 30kgs at a point of 25cm from the fulcrum)
Polar Axis Scope Built in 6x20mm scope, FOV: 8
Power Requirements DC12V: 0.4 – 1.7A
R.A. Slow Motion Axis 50mm diameter, A7075 Aluminum alloy