FocusCube Zero: A Must Have for Successful Astrophotography Sessions with your SCT Telescope Focus fast, reliable, and accurate your Celestron SCT telescope by using the "FocusCube Zero". The Stepper motor provides high speed, focus accuracy, and zero backlash. You only need this device to focus! Attach the FocusCube Zero to your SCT telescope, plug the power, the USB cable, download ASCOM drivers or our Unity platform and you are ready to go! Zero Backlash Stepper Motor The embedded bipolar stepper motor provides a zero-backlash movement. The motor allows you to quickly move from any focus point to another. As there is no reduction gearbox the speed is suitable to move the primary mirror in or out at very fast rates. Easy and Repeatable V-Curve Focus A V-Curve is the result of moving the focus of a telescope from an outside focus position into the focus and then further into the same direction out of focus again. With FocusCube Zero you can easily achieve nearly perfect v-curve lines leading to a sharply focused image. SCT Bracket A special shaped black anodised aluminium bracket, hard to bend, can be attached to most of the Celestron SCT telescopes. Celestron Classic & EdgeHD 6, 8, 9.25 (SKU:PEG-FCZERO-SCT68925) Celestron Classic & Edge HD 11 (SKU:PEG-FCZERO-SCT11) Celestron Classic & Edge HD 14 (SKU:PEG-FCZERO-SCT14) Celestron RASA 8" (SKU: PEG-FCZERO-SCT68925) Cellestron RASA 11" (SKU:PEG-FCZERO-SCT11) V2 only – For V1 you will need Celestron Retrofit Kit Celestron RASA 14" (SKU:PEG-FCZERO-SCT14) Please notice that we provide three different 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 for your telescope. Additional Features 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 included in package) 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 the latest ASCOM 6 INDI (Open Astronomy Instrumentation) Supported - Pegasus Focuscube is fully compatible with INDI. Driver is included in stable libindi. Firmware Upgrade Support - Firmware supports re-programming via the USB 2.0 connection using upgrade software (only available for Windows), for future upgrades which may become available. We constantly receive feedback from our customers and keep updating the firmware and software with new features. Dimensions & Weight - 52 x 58 x 35 mm / Weight 280g Unity Platform Support - Unity Platform allows the full control and configuration of FocusCube Zero. Other Notes & Information SCT Bracket was designed to support Celestron SCT Telescopes. Although, we have seen that it perfectly fits on Meade SCT telescopes that have the round focus knob. Please check the image if your Meade Telescope is the same as the photo on the right. 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. Specifications Supply Voltage 12V - 13.8V DC Motor Compatibility Stepper Motor is inside the enclosure Motor Output None (Stepper Motor is inside 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 Bipolar Stepper Motor Zero Backlash Sep Angle: 1.8 deg Hold Torque: 0.8Kg/cm Detent Torque: 0.18Kg/cm For C8 & C9.25 Motor Pulleys have: 16 and 60 teeth Ratio is 1:3.75 For C11 & C14 Motor Pulleys have: 16 and 80 teeth Ratio is 1:5 Dimensions(enclosure only) 52 mm x 58 mm x 35 mm Weight (including bracket) 280g Operating Temperature -40 °C to +80 °C
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