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Vixen Optics SXP2 Sphinx GoTo EQ Mount with PFL Polar Scope
Vixen Optics SXP2 Sphinx GoTo EQ Mount with PFL Polar Scope

Vixen Optics SXP2 Sphinx GoTo EQ Mount with PFL Polar Scope

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Your Price: CAD7,863.46
Out of Stock
Part Number:25131HAL130

Choose Options or Accessories if Applicable

Vixen Sphinx Accessories
2529 Vixen Star Book Screen Brightness Film (+CAD9.00)
2536 Vixen SX Battery Box (+CAD79.00)
2571 Vixen SX Decl Clamp Unit (+CAD269.00)
2573 Vixen SX Polar Axis Scope (+CAD329.00)
2574 Vixen SX Counterweight Shaft Unit (+CAD189.00)
2576 Vixen SX Accessory Plate (+CAD279.00)
2577 Vixen SX Counterweight 1.7kg (+CAD89.00)
2578 Vixen SX Counterweight 2.8 kg (+CAD109.00)
2579 Vixen SX Counterweight 3.1 kg (+CAD119.00)
25227 Vixen STAR BOOK TEN Cable (+CAD59.00)
35532 Polar Alignment Scope PF-L II for Sphinx mounts (+CAD499.00)
Product Highlights
  • Motorized Computer-Controlled EQ Mount
  • Precision Dual-Axis Stepper Motor
  • Star Book Ten Hand Controller
  • 272,342-Object Database

Designed to give astrophotographers maximum performance and easy portability, the precision hardware of the SXP2 Sphinx GoTo EQ Mount from Vixen Optics gets a performance boost by adding the PF-L polar axis alignment scope and Star Book Ten (SB10) computer control system to boost alignment, GoTo, and tracking accuracy. Micro stepper motors with a belt-drive system, 180-tooth brass worm wheels, and ball bearings provide smooth and precise tracking abilities with virtually zero vibrations or backlash.

The included polar axis scope has an illuminated star-pattern reticle that requires the user to simply superimpose the star pattern over the three prominent stars over the North Pole for proper polar alignment. With this simple alignment done, the SB10 controller can be used to provide full GoTo capabilities with a color display and intuitive menu system. Outfitted with an internal and updatable database of over 272,000 objects, the SB10 offers phased star charts, customized guided tours of the night sky, and the ability to program out tracking errors with Permanent Periodic Error Correction (PPEC), Vixen Periodic Error Correction (VPEC), and backlash to improve the precision of the tracking system during long-duration observation sessions and which gets better the more you use it.

The addition of the HAL 130SXG tripod completes this observation and astrophotography rig, so all that is required is an optical tube assembly (OTA) with a Vixen-style dovetail plate. It is made out of lightweight and durable aluminum to offer stability when open while maintaining its portability if it has to be carried any distance to the observation site. Its two-section legs adjust from 25 to 39" to accommodate a wide variety of users, and it folds up to just 32". The mount and tripod have a maximum payload capacity of 60 pounds for observation purposes, but if this rig will be used for astrophotography or imaging, Vixen recommends the max payload be kept to 50 pounds excluding the two included counterweights.


  • Motorized German equatorial design
  • Innovative mount head design makes the weight of the head act as part of the counterweight system
  • Payload capacity (excluding counterweights): 60 pounds recommended for observation use, 50 pounds recommended for astrophotography/imaging
  • Polar axis alignment scope included for faster and more precise alignment, which improves GoTo and tracking accuracy
  • Azimuth adjustment: ±7°, 2° per rotation
  • Altitude adjustment: 0 to 70° 0.8° per rotation
  • 20mm retractable counterweight bar reduces interference during long tracking sessions
  • 4.2- and 8.2-pound counterweights
  • Runs on 12 VDC power supply
  • Vixen-style dovetail saddle accepts any compatible OTA

Gears and Motors

  • Precision stepper (pulse) motor, 300 pulse/second
  • Belt-drive system improves tracking and slewing accuracy while reducing vibration and eliminating backlash
  • 9mm diameter brass worm gears
  • Right ascension and declination gears: 180-tooth 360° movement; 72mm diameter; brass wheels
  • Right ascension and declination axes: 40mm diameter; carbon steel
  • 15 ball bearings reduce vibrations and allow for smooth tracking

Polarie PF-L Polar Axis Scope

  • 6x power magnifies view while maintaining a wide angle of view
  • 20mm objective lens diameter
  • Ease of use: In the Northern Hemisphere, align three bright stars with the corresponding pattern on the scope's illuminated reticle
  • No need to set hour angle
  • Red illumination allows reticle to be easily seen without affecting night-adjusted vision
  • Eight adjustable intensity levels allow precise brightness control
  • Automatic off function after 2 minutes to conserve battery power

Star Book Ten Computer Controller

  • 5" TFT full-color display
  • Phased star charts display only relevant info for what is visible overhead
  • Automatic GoTo Slewing
  • Sidereal tracking and different tracking rates for the Sun, Moon, planets, comets, and artificial satellites
  • Proprietary Vixen Periodic Error Protection (VPEC): Intrinsic errors are measured and entered into memory at the factory for precision tracking out of the box, use with PPEC to boost tracking performance
  • Permanent Periodic Error Correction (PPEC) enables you to train out tracking errors for more accurate tracking over extended periods of time, such as long-exposure astrophotography
  • Backlash compensation allows you to train out the play inherent in all gears for more precise tracking
  • LAN port to update database via Internet
  • Powered by mount via controller cable

Database details:

  • 272,342 objects
  • NC objects: 784
  • IC objects: 5386
  • Messier objects:109
  • Solar system: Moon, Sun, planets, and Pluto

HAL 130 Tripod

  • Lightweight and durable aluminum legs
  • Two leg sections with secure thumbscrew locks
  • Variable height: 25 to 39"
  • Spiked feet provide added stability on soft or uneven ground
  • Folded length: 32"
  • Weight: 12 pounds


Mount TypeMotorized; German Equatorial
GoTo CapabilityYes, Star Book Ten
Payload CapacityAstrophotography
50 lb / 22.6 kg (without Counterweight)
60 lb / 27.2 kg (without Counterweight)
MotorDual Axis
Altitude Adjustment0 to 70°
Latitude Adjustment-7 to 7°
Counterweight1 x 4.2 lb / 1.9 kg
Polar Axis ScopeYes (Included)
Height Adjustment Range25 to 39" / 63.5 to 99.1 cm
Leg Sections2
MaterialsAluminum Alloy
Folded Length32" / 81.3 cm
Adapter12 VDC
Mounting SystemVixen Style
Dimensions14 x 13.5 x 5" / 35.6 x 34.3 x 12.7 cm (Mount)
Weight12.1 lb / 5.5 kg (Tripod)
24.25 lb / 11 kg (Fully Assembled without Counterweight)
Packaging Info
Package Weight60.45 lb
Box Dimensions (LxWxH)38.5 x 27.5 x 26"

In the Box

  • Vixen Optics SXP2 Sphinx GoTo EQ Mount with Star Book Ten
  • Mount Head
  • 12 VDC Power Supply
  • Limited 5-Year Warranty

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