Vixen ED115S Refractor Telescope & Sphinx SXP EQ Mount w/ Starbook 10

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Vixen ED115S Refractor Telescope & Sphinx SXP EQ Mount w/ Starbook 10
Item # VX-25092DS
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Waiting List

  • The Vixen ED115S refractor optical tube features Vixen's Super Low Dispersion optical glass.
  • Virtually free from false color.
  • 115mm aperture with a focal ratio of f/7.7.
  • Sphinx SXD EQ mount offers a strong platform for the VC200L and your choice of imaging accessories.
  • Large precision gears provide a smooth ride with minimal backlash.
  • Starbook 10 controller features a 5 inch full-color screen, gaming-style control and a wide variety of tracking modes.
  • 5 year warranty!


Vixen ED115S Refractor & Sphinx SXP Mount with Starbook 10

Vixen combines a 115mm ED refractor optical tube with the Sphinx SXP EQ mount for a perfect imaging set up.  The ED115S's extra-low dispersion optical glass virtual elminates false color and maximizes light transmission.  The Sphinx SXP is a smart equatorial mount with a load capacity of 35 pounds allowing it to easily carry the 115mm optical tube and any imaging gear you might choose with ease.  Large precision gears offer a smooth and accurate ride. 

About the ED115S Refractor Optical Tube

The ED115S utilizes Vixen's Super Low Dispersion Optical Glass which helps to eliminate nearly all of the natural occuring false color in your view.  Precision coated and produced elements maximize light transmission to increase contrast, brightness and detail.   A dual speed focuser is included for both coarse and fine focus adjustments. 

Additional Features:

  • 147.2mm back focus from rear edge of focuser body
  • 63.5mm back focus with reducer from rear edge of focuser body
  • Resolving power of 1.01 arc seconds
  • 12.1 limiting magnitude
  • 270x light gathering power
  • 60mm/ 50.8mm adapting thread
  • Built in dew shield with diameter of 140mm
  • Compression ring visual back
  • Includes tube ring and Vixen-style dovetail

About the Sphinx SXP EQ Mount

Decades of EQ mount design experience have gone in to the creation of the SXP mount.  A unique offset design lets the body of the mount head act as part of the counterweight system, reducing the need for as many additional counterweights when compared to traditional EQ mounts.  Large, 180 teeth gears enable fluid precision movement with minimal backlash. 

About the Starbook 10 Controller

Included with the SXP EQ mount is Vixen's innovative Starbook 10 controller.   Featuring a gorgous full color, large LCD screen, the Starbook 10 contains an extensive catalog of over 270,000 objects so no matter what your location or desired target you're sure to find it.  Other convenience features include a night-vision mode for the screen, brightness control, glowing control buttons, hibernate control, and bilingual options.   Adding to the mount's gear accuracy, the Starbook 10 controller also provies backlash compensation, automated Go-To functions, and lunar, sideral, solar, artificial sattelite and comet tracking modes, virtual and permanent PEC. 

The Screen:

  • Full-color, 5" HD quality LCD screen. 
  • Adjustable brightness.
  • Red nightvision mode available for both screen and controller buttons.

The "Brain": 

  • Database of 272,342 objects.
  • User defined objects allowed.
  • Comet tracking mode.
  • Sattelite tracking mode.
  • Backlash compensation.
  • Virtual and permanent PEC.  Virtual PEC is automatically loaded on the mount's programing and will compensate for typical errors.  Permanent PEC is a user determined correction which can be saved to controller, further refining the SXD's tracking accuracy.
  • Hibernate mode - adjustable.  Save your battery life! "Wake up" your mount by simply switching over the power switch.  No need to loosen clamp levers on the RA and DEC axis. 

Controller Hardware:

  • LAN PC connection.
  • Autoguider port built in.
  • Expansion slot available with purchase of separately available Advance Unit.
Additional Information

Additional Information

SKU VX-25092DS
Manufacturer Vixen
Telescope Series Vixen ED
Optical Design Refractor - Achromatic with ED Glass
Mount Type Equatorial - GoTo
Warranty 5 Year Warranty
Telescope Aperture 115mm
Telescope Focal Length 890mm
Telescope Focal Ratio f/7.7
Limiting Stellar Magnitude 12.1
Optical Coatings Fully Multi-Coated
Dew Shield Included? Yes
Optical Tube Outer Diameter 115mm
Length of Optical Tube 810mm
Optical Tube Weight 8 lbs.
Tube Color or Finish Gloss White
Focuser Size 2"
Focuser Style Rack & Pinion
Manual or Electronic Focusing? Manual
Focusing Speeds Two-Speed
Eyepiece(s) Included None
Finder Included None
Objects in Database 272,342
Power Adapter Included AC Wall Adapter
Counterweights Included (1) 4.2 lbs. & (1) 8 lbs.
Hand Controller Included? Yes
Mount Weight 24.25 lbs.
Tripod Type Included Adjustable with Aluminum Legs
Total Telescope Weight 34.25 lbs.
Included Items

Included Items

  • ED115S Optical Tube
  • Dual Speed Focuser
  • Tube Ring
  • Vixen-Style Dovetail Plate
  • SXP EQ Mount
  • Tripod
  • Starbook 10 Controller
  • (1) 4.2 lbs. Counterweight
  • (1) 8 lbs. Counterweight
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