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75121 SXP-PFL Equatorial Mount

Discontinued October 2018

SXP MountCombining the best functions of the Sphinx series of mounts and of the latest Star Book GO-TO controller, Vixen has introduced a new generation of SX equatorial mount for high-performance observing and astrophotography.

The Vixen SXP mount comes with Star Book Ten controller for manual or computer controlled observation or astrophotography.

Using the same high precision stepper motors as the top of the range AXD mount, the new SXP brings a new level of performance to the mid-range Vixen mount family. The SXP is quieter and smoother in its tracking than the SX and SXD2 mounts and the increased precision of the motors allows for improved performance for long-exposure astrophotography.


Product Features

The new mount comes as standard with the Star Book Ten which is the latest generation Vixen handheld controller. Its high resolution screen and extensive feature set make it the perfect companion for this sturdy mount.

Stepping Motors

The SXP mount uses high-precision pulse stepper motors. Vixen's micro-step motion control makes the movement of the motors very accurate, quiet and extremely smooth.


The RA and DEC gear wheels have 180 teeth and are 72mm in diameter. High-precision CNC-machined brass wheels and worm gears ensure accurate tracking. The uprated RA and DEC shafts are made of carbon steel and are supported by a combination of 15 bearings.RA DEC Axes


As with the other mounts in the SX range, the declination body of the SXP mount acts as part of the counterweight system. This helps to reduce the amount of additional weight carried on the counterweight shaft.

The Star Book Ten controller allows for permanent periodic error correction data to be saved.


Polar Scope PF-LPolar axis scope
The polar scope PF-L with built-in dark field illuminator is supplied as standard with the SXP mount and is mounted in the RA body. Vixen’s excellent reticle design and precise RA axis/polar scope alignment allow for precision polar alignment. No hour angle setting is required, making set up quick and simple.


Specifications SXP-PFL Mount
R.A. slow motion axis 180-tooth full circle micro-movement gear, 72mm diameter, brass wheel
DEC slow motion axis 180-tooth full circle micro-movement gear, 72mm diameter, brass wheel
Worm gears 9mm diameter, brass
R.A. & DEC. axes 40mm diameter, carbon steel
Number of bearings 15 pieces
Counterweight bar 20mm in diameter, retractable
R.A. setting circle 10 minutes increments (accurate to 1 minute)
DEC. setting circle 2° increments (accurate to 10 minutes, about 0.167°)
Polar axis scope 6x20mm PF-L polar axis scope
Drive motor Stepping (Pulse) motors with 300PPS
Slewing Maximum 1000x sidereal rate
Maximum loading weight 16kg (35.2lb)
Power source DC12V 0.6 ~ 2.5A
Dimensions 343 x 359 x 128mm
Weight 10.5kg (23.1lb) without counterweight
Counterweight 3.7kg (8.15lb) x 1pc and 1.9kg (4.2lb) x 1pc


Optional Accessories

Half Pillar
75167 Half Pillar
Weight 1.8kg (3.9lb)
Accessory Plate DX
72576 Accessory Plate DX
Weight: 1275g (44.97oz)
Size: 330x120x12mm
For SX, SXD2, SXP, GP2 and GPD2.
Dovetail mounting block is required to use with VC and VMC
optical tubes.
Aluminium Case
72697 SX Aluminium Case
Weight: 6.1kg (13.4lb)
Size: 470x500x220mm
Note: Special order only
Aluminium Tripod
75161 Aluminium Tripod SXG-HAL130
Lightweight rigid box section legs adjustable from 81cm to 130cm in length.
Weight: 5.5kg (12.1lb)
Note: Tripod not included with SX series mounts.
Carrying Bag for Tripod
75655 Carry Bag for 80/100mm Tube or HAL130 Tripod
Soft padded carry bag with two accessory pouches.
Tripod Accessory Tray
75460 Tripod Accessory Tray
Provides storage for eyepieces and other accessories and also improves the stability of the HAL130 tripod.
Advance Unit
75301 Advance Unit
Available for Star Book Ten only.
Works as a built-in autoguider in combination with an optional CCD video camera.
Size: 90x76x24mm
Weight: 100g (3.52oz)

Please note: The SXP Mount is available to special order only