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378 EUR
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price without VAT: 307 EUR
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FocusCube Zero for Celestron SCT C14", Edge HD and RASA 14 (PegasusAstro, SKU: PEG-FCZERO-SCT14) is a high-precision electronic focuser designed specifically for Celestron’s largest Schmidt-Cassegrain telescopes. It is a complete standalone solution for astrophotography, providing fast, repeatable and fully remote focusing with zero mechanical backlash.
The device features an integrated bipolar stepper motor with zero backlash, enclosed together with the control electronics in a compact housing. The absence of a reduction gearbox allows rapid movement of the primary mirror, which is especially important in large optical tubes with long focus travel. FocusCube Zero delivers excellent repeatability and enables precise autofocus routines based on clean V-curves.
The PEG-FCZERO-SCT14 version is factory-configured for Celestron SCT C14, Edge HD 14 and RASA 14 telescopes. It uses a 16- and 80-tooth pulley set, providing a 1:5 drive ratio optimized for the heavier focusing mechanisms of large SCT systems. A rigid black anodized aluminum SCT mounting bracket ensures a stable and secure mechanical connection to the telescope’s focus knob.
FocusCube Zero is a standalone device with an integrated controller and does not require any external motor controller. Operation is handled via USB from a PC using ASCOM drivers or the Pegasus Astro Unity Platform. The RJ45 port on the rear of the enclosure is intended only for an optional hand controller or the included temperature sensor and must not be connected to motor outputs of other controllers.
• electronic focuser for Celestron SCT C14", Edge HD 14 and RASA 14 telescopes
• version optimized for large SCT systems with 1:5 drive ratio
• integrated bipolar stepper motor with zero backlash
• fast primary mirror movement without reduction gearbox
• excellent repeatability and clean V-curve autofocus performance
• standalone device with built-in control electronics
• USB control via ASCOM drivers or Unity Platform software
• temperature sensor included for focus temperature compensation
• rigid black anodized aluminum SCT mounting bracket
• wide operating temperature range from -40°C to +80°C
• FocusCube Zero
• SCT mounting bracket (margarita style)
• temperature sensor (0.6 m)
• USB Type-B cable (1.8 m)
• 2 aluminum pulleys (16 and 80 teeth) and drive belt
• 4 × M3 × 6 mm screws (enclosure to bracket)
• 3 metric screws with washers (bracket to telescope)
• supply voltage: 12–13.8 V DC
• power input connector: 2.1 mm center positive
• motor type: bipolar stepper motor (integrated)
• backlash: zero
• step angle: 1.8°
• holding torque: 0.8 kg/cm
• detent torque: 0.18 kg/cm
• drive ratio (C14 / RASA 14): 1:5 (16 / 80 tooth pulleys)
• connectivity: USB 2.0 Type-B
• temperature sensor resolution: 9-bit (°C)
• enclosure dimensions: 52 × 58 × 35 mm
• weight (including bracket): 280 g
• operating temperature: -40°C to +80°C
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