EFA Electronic Focusing Accessory CDK14/17/20/24

The EFA electronic focusing device automates focusing on Hedrick focusers, monitors the temperature with the optional Delta-T Heater and controls the fans built into CDK telescopes.

• The EFA control box can be mounted on the rear plate of any CDK telescope.
• A hand control is included to control an optional focuser or rotator on the eyepiece.
• The EFA kit includes PlaneWave Interface (PWI), a software package that controls all external instruments from a PC.

All cables for connecting the EFA to a PC are included. The EFA is ASCOM-compatible.