Tag Archives: Automatic Focuser

iOptron 8453 Electronic Automatic Focuser Instruction Manual

The iOptron #8453 Electronic Automatic Focuser (iEAF) user manual explains how to install and use this powerful, ASCOM-compatible device. With a built-in temperature sensor and USB connection, the iEAF can be adjusted manually or controlled by a computer. Its powerful stepper motor and zero backlash make it compatible with most focusers with proper mounting brackets.