Motor Focus Kit Zero for Celestron SCT C11", EdgeHD, RASA 11 v2 (PegasusAstro, SKU: PEG-MFKZERO-SCT11) is a motorized focusing kit designed for Celestron SCT 11", EdgeHD 11" and RASA 11 v2 telescopes. It includes a stepper motor with a belt and pulley system, enabling precise focus control when connected to a compatible motor controller.

Key features

• Motor Focus Kit Zero drive for SCT telescopes
• bipolar stepper motor with zero backlash operation
• fast and repeatable focusing travel
• belt and pulley design, positioning the motor away from the focus knob axis
• anodized aluminium SCT „margarita” bracket
• compatible with Celestron Classic SCT 11", EdgeHD 11" and RASA 11 v2
• requires a compatible motor controller, such as PegasusAstro Dual Motor Focus Controller, Ultimate Powerbox v2 or eXternal Motor Controller
• Ultimate Powerbox v1 is not compatible with this kit

Kit contents

• Motor Focus Kit Zero
• black anodized aluminium „margarita” bracket for Celestron SCT telescopes
• transmission belt
• GT2 pulley with 22 mm bore for Celestron 11" and 14" telescopes
• 4 M3x6 mm screws for attaching the housing to the bracket
• 3 metric screws and 3 plastic washers
• 1 m RJ45 to RJ45 cable

Technical specifications

• motor type: bipolar stepper motor
• drive operation: zero backlash
• step angle: 1.8°
• holding torque: 0.8 kg/cm
• detent torque: 0.18 kg/cm
• housing dimensions: 52 × 58 × 35 mm
• weight with bracket: 280 g
• operating temperature: –40°C to +80°C
• controller connection: RJ45 to RJ45
• compatibility: Celestron Classic SCT 11", EdgeHD 11", RASA 11 v2

The kit allows a precise focusing drive to be added to SCT 11" telescopes when it is to operate as part of an automatic focusing system with a suitable controller.