This iOptron electronic automatic focuser (iEAF) is designed for Crayford and rack-and-pinion focusers. It is powered by a 5V USB port. The focuser is ASCOM compatible and will work with most planetarium and imaging software. It can also be manually adjusted by pressing a button on the focuser.

Features:

• Integrated temperature sensor
• Quiet operation
• Powerful stepper motor
• Zero backlash
• USB connection to a computer
• ASCOM compatible
• Manual adjustment
• Position memory when powered off
• Compatible with most focusers with the appropriate mounting support/adapter

Technical specifications:

• Focuser: Crayford or rack-and-pinion
• Drive mechanism: Stepper motor
• Power/Communication: USB2.0 port
• Maximum load: 5 kg
• Temperature sensor: Yes (integrated)
• Control: ASCOM compatible or manual
• Focuser speed: 3 rpm
• Dimensions: 51 x 61 x 41 mm
• Weight: 254 g (focuser only)