Vixen Optics

 

 

Vixen AXD Mount 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.
 
Vixen AXD Mount
 
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.

 
 

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