iOptron Electronic Automatic Focuser iEAF

Stock count is accurate & shown in real time.
- This item is out of stock.
- Sign up for back-in-stock alerts to be notified when this item becomes available (account login required).
- This item is out of stock.
- Sign up for back-in-stock alerts to be notified when this item becomes available (account login required).
Contiguous US / Lower 48:
Free shipping applies to orders over $50 using our chosen carrier/method. Faster paid options are available at checkout.
Alaska, Hawaii & US Territories:
Free shipping applies to many—but not all—products. Enter your ZIP code in cart or upon checkout to confirm options and costs.
International:
International orders do not qualify for free shipping. Shipping, duties, brokerage, tariffs, and taxes are the customer’s responsibility. Some items may be restricted due to export, size, or manufacturer limitations.
This iOptron Electronic Automatic Focuser (iEAF) # 8453 is designed for both Crayford and Rack-and-Pinion focusers. It is powered by a 5V USB-C port. The focuser is ASCOM compatible and will work with most planetarium and imaging software. It also can be adjusted manually by pressing a button on the focuser.
Features:
- Whisper quiet operation
- Powerful stepper motor
- Zero backlash
- Built-in temperature sensor
- USB connection to a computer
- ASCOM compatible
- Manual adjustment
- Position memorizing during power off
- Compatible to most focuser with proper mounting bracket/adapter
Specifications:
- Focuser: Crayford or Rack-and-Pinion focuser
- Driving train: Stepper motor
- Power/Communication: USB2.0 port
- Maximum payload: 5 kg
- Temperature Sensor: Yes (Built-in)
- Control: ASCOM compatible or manually
- Focuser speed: 3 rpm
- Dimensions (mm): 51 X 61 X 41
- Weight 254g (focuser only)
- Warranty: One year limited
Other Information
- Country of Manufacture: China
This iOptron Electronic Automatic Focuser (iEAF) # 8453 is designed for both Crayford and Rack-and-Pinion focusers. It is powered by a 5V USB-C port. The focuser is ASCOM compatible and will work with most planetarium and imaging software. It also can be adjusted manually by pressing a button on the focuser.
Features:
- Whisper quiet operation
- Powerful stepper motor
- Zero backlash
- Built-in temperature sensor
- USB connection to a computer
- ASCOM compatible
- Manual adjustment
- Position memorizing during power off
- Compatible to most focuser with proper mounting bracket/adapter
Specifications:
- Focuser: Crayford or Rack-and-Pinion focuser
- Driving train: Stepper motor
- Power/Communication: USB2.0 port
- Maximum payload: 5 kg
- Temperature Sensor: Yes (Built-in)
- Control: ASCOM compatible or manually
- Focuser speed: 3 rpm
- Dimensions (mm): 51 X 61 X 41
- Weight 254g (focuser only)
- Warranty: One year limited
This iOptron Electronic Automatic Focuser (iEAF) # 8453 is designed for both Crayford and Rack-and-Pinion focusers. It is powered by a 5V USB-C port. The focuser is ASCOM compatible and will work with most planetarium and imaging software. It also can be adjusted manually by pressing a button on the focuser.
Features:
- Whisper quiet operation
- Powerful stepper motor
- Zero backlash
- Built-in temperature sensor
- USB connection to a computer
- ASCOM compatible
- Manual adjustment
- Position memorizing during power off
- Compatible to most focuser with proper mounting bracket/adapter
Specifications:
- Focuser: Crayford or Rack-and-Pinion focuser
- Driving train: Stepper motor
- Power/Communication: USB2.0 port
- Maximum payload: 5 kg
- Temperature Sensor: Yes (Built-in)
- Control: ASCOM compatible or manually
- Focuser speed: 3 rpm
- Dimensions (mm): 51 X 61 X 41
- Weight 254g (focuser only)
- Warranty: One year limited
Other Information
- Country of Manufacture: China

iOptron Electronic Automatic Focuser iEAF

