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Pegasus FocusCube 2 Motorised Electronic Focuser

Pegasus FocusCube 2 Motorised Electronic Focuser
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Pegasus FocusCube 2 Motorised Electronic FocuserPegasus FocusCube 2 Motorised Electronic FocuserPegasus FocusCube 2 Motorised Electronic Focuser
Pegasus FocusCube 2 Motorised Electronic FocuserPegasus FocusCube 2 Motorised Electronic Focuser
Price:  £250.00(Inc. 20% VAT)
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Product Code:  PEG-FC2-UNIV
Manufacturer:  Pegasus Astro

Pegasus Astro


Focus fast, reliable and accurate your telescope by using the “FocusCube 2″. The evolution of technology in astronomy requires a system which will assist the focusing of the telescope with great accuracy. Fast optics and modern camera devices require automatic focusing in every small period of time as temperature can affect focal length and modify the optimal focus position. Pegasus FocusCube has been developed to meet all of these requirements.

Designed in high quality with modern electronics, FocusCube can provide digital precise focus control from a PC. Device includes a stepper motor for absolute position focusing. Electronics and stepper motor are enclosed in a compact sized box. Do not be fooled by its size! This device can easily lift more than 6kg (212 ounces) of imaging equipment when the telescope points to the zenith!

This stepper motor is a high resolution geared stepper motor (Step Angle 7.5, Deg 120, Gear Ration 1:120). Its gearbox has very low backlash and high torque suitable to focus in micron scale! You only need this device to focus! Attach the FocusCube to your refractor / reflector / SCT telescope, plug the power, USB cable, download ASCOM drivers or standalone software and you are ready to go!

IMPORTANT NOTE
FocusCube is a standalone device and includes controller functionality. 
No physical hand controller is included or required.
DO NOT pair it with the Dual Motor Focus Controller or any other controller in the market.
DO NOT connect this RJ45 port to the Ultimate Powerbox RJ45 Stepper Output
The RJ45 port at the back is only for the hand controller or the included temperature sensor.

High torque & resolution stepper motor

Embedded unipolar stepper motor has a powerful and very low backlash gearbox. Motor Step Angle is 7.5 deg but the 1:120 reduction gearbox turns the reduction rate to 0.06255 deg / step. As firmware implements half step drive, the motor can execute twice the steps per cycle. This means 11510 steps per cycle! Bottom line: You can focus in microns, easily and with great accuracy.

Motor can lift up to 6Kg of equipment (212 ounces) of imaging equipment when the telescope points to the zenith!

Two diferent bracket versions

You can choose between:

Universal bracket: which fits to most focusers in the market

  • Baader Diamond Steeltrack
  • Baader Steeltrack
  • Explore Scientific Focuser
  • MoonLite Focusers
  • Skywatcher Esprit Series Focuser
  • Starlight Feathertouch Series
  • Stellarvue Focusers
  • Takahashi Focusers
  • Vixen ED81S
  • William Optics GT71
  • William Optics RedCat

SCT Bracket: SCT Bracket fits to Celestron C Series, Celestron Edge and Celestron RASA telescopes.

Please notice
We provide three SCT versions. The difference is in the metal pulley bore diameter & the screw length in the package. Please make sure you have selected the correct type!

  • Celestron Classic & EdgeHD 6, 8, 9.25 (SKU:PEG-FC2-SCT68925)
  • Celestron Classic & Edge HD 11 (SKU:PEG-FC2-SCT11)
  • Celestron Classic & Edge HD 14 (SKU:PEG-FC2-SCT14)
  • Celestron RASA 8 (SKU: PEG-FC2-SCT68925)
  • Cellestron RASA 11 (V2 – For V1 you will need Celestron Retrofit Kit) (SKU:PEG-FC2-SCT11)
  • Celestron RASA 14” (SKU:PEG-FC2-SCT14)

Temperature Probe

An external digital temperature sensor input is located near the motor connector. A digital probe of one meter (3 feet) length is supplied. The probe can be placed near the focuser so the exact temperature of the focuser / environment can be seen through the supplied software or ASCOM driver (probe is always included)

Expansion Port / Manual Focus (optional accessory)

FocusCube includes an expansion RJ45 port at the back of the enclosure.  This port provides input for the temperature sensor. An optional hand controller for manual focus control can be acquired for those who might want to add this functionality.

ASCOM supported

The controller is fully compatible with latest ASCOM 6.4

INDI (Open Astronomy Instrumentation) supported

Pegasus Focuscube is fully compatible with INDI. Driver is included in stable libindi.
Official Indi Driver : http://indilib.org/devices/focusers/pegasus-dmfc.html

Standalone program supported

The controller can be operated by the standalone software.
(Only available for Windows)

All required cables are included

  • A 1.8m USB Type B cable
  • A 1.5m Cigarette lighter adapter power cable

Six solid motor couplers are included

Six solid, different bore size, motor couplers are provided so you can select the coupler that fits to your focuser’s shaft. Choose between 3mm to 8mm couplers. All of them are included in the “Universal” package.

Firmware upgrade support

Controller firmware supports re-programming via the USB 2.0 connection using upgrade software, for future upgrades which may become available. We constantly receive feedback from our customers and keep updating the firmware and software with new features.

2 Years warranty

For the FocusCube device and the temperature sensor.

Compact size

56 x 63 x 39 mm / Weight 350g

In the box

  • FocusCube (L Universal Bracket or SCT Bracket) [✔]
  • Temperature Sensor (0.6m) [✔]
  • USB type B Cable (1.8m) [✔]
  • Cigarette Lighter Adapter (3A fused) [✔]
  • Six different motor couplers (bore diameter from 3mm to 8mm) – Universal Version [✔]
  • Two Aluminium Pulleys (60 & 40 teeth) and transmission belt – SCT Version [✔]
  • Different sizes (Pairs of M3x10, M4x10, M4x30 M5x10, M6x10, ) of metric bolts and spacers (Universal Version) [✔]

Technical Specifications

  • Supply Voltage 12V – 13.8V DC
  • Motor Compatibility Stepper Motor is inside the enclosure
  • Motor Output None
  • (Stepper Motor inside in the enclosure)
  • USB Connectivity USB 2.0 Type B plug
  • Thermal Sensor Resolution 9-bit Celsius temperature measurements
  • Power Input Connector 2.1mm Centre Positive Socket
  • Motor Specs High resolution geared stepper motor
  • (Step Angle (Deg) 7.5 / 120
  • (Gearbox reduction rate = 0.06255 Deg).
  • 5755 steps per circle of rotation.
  • about 1 micron per step
  • * Firmware implements half step drive so one motor cycle is 5755 x 2 = 11510 steps
  • Very low backlash (about 30 steps in half step drive)
  • Dimensions 56 mm x 63 mm x 39 mm
  • Weight 300g
  • Operating Temperature -40 °C to +80 °C

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