Motor Focus Kit Zero for Celestron SCT C6, 8, 9.25", EdgeHD, RASA 8 (PegasusAstro, SKU: PEG-MFKZERO-SCT68925) is a fast, zero-backlash stepper motor designed for precise automated focusing of SCT telescopes. The GT2 pulley and belt design prevents collision with filter wheels when using a focal reducer.

Key features

• 1.8° step angle bipolar stepper motor with zero backlash drive
• fast focus transitions
• anodized aluminium SCT “margarita” style bracket
• GT2 timing belt and pulley system
• compatible with Celestron Classic/EdgeHD 6", 8", 9.25" and RASA 8
• requires external stepper controller (not included)

In the box

• Motor Focus Kit Zero motor
• anodized SCT bracket
• GT2 timing belt
• GT2 pulley (13 mm bore for 6", 8", 9.25")
• mounting screws (M3x6 mm and screw/washer set)

Technical specifications

• step angle: 1.8°
• phases: 4 (bipolar motor)
• voltage: 12V DC
• hold torque: 0.8 kg/cm
• detent torque: 0.18 kg/cm
• current: 0.25 A
• total weight: 280 g
• enclosure dimensions: 52 × 58 × 35 mm

Provides fast and precise automated focusing for SCT telescopes used in astrophotography (requires a compatible PegasusAstro controller).