ASI ZWOptical
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Equip the 3" MONORAIL focuser from TS-Optics with the ZWO EAF motor focus system.

  • Suitable for all 3" Monorail focusers and telescopes equipped with these focusers
  • Suitable for all TS-Optics RC and Cassegrain telescopes with 10" aperture and larger
  • Allows the use of the EAF motor focus system from ZWO
  • Includes mounting adapter and four screws
  • Easy and self-explanatory mounting, you will receive the mounting instructions after your purchase in an environmentally friendly PDF format
  • Dimensionally stable up to 90 °C due to the use of PETG in 3D printing
119.00 €
Estimated delivery time : 3-4 days
 
 
Equip the 2" MONORAIL focuser from TS-Optics with the ZWO EAF motor focus system.
  • Suitable for all 2" Monorail focusers and telescopes equipped with these focusers
  • Allows the use of the EAF motorfocus system from ZWO
  • Includes mounting adapter and four screws
  • Simple and self-explanatory assembly, you will receive the assembly instructions after your purchase in an environmentally friendly PDF format
  • Dimensionally stable up to 90 °C due to the use of PETG for 3D printing
119.00 €
Estimated delivery time : 3-4 days
 
 

Equip the 2" Crayford focuser from TS-Optics with the ZWO EAF motor focus system.

  • Suitable for all 2" Crayford focusers and telescopes equipped with these focusers, e.g. TS-Photon Newtons
  • Fits to the Crayford focusers with and without micro-reduction
  • Allows the use of the EAF motor focus system from ZWO
  • Elaborate and elegant adaptation to the focuser
  • Includes mounting adapter and screw
  • Simple and self-explanatory mounting incl. mounting instructions
  • Dimensionally stable up to 110 °C due to the use of special PLA for 3D printing
99.00 €
Estimated delivery time : 3-4 days
 
 

Equip the 2.5" RAP focuser from TS-Optics with the ZWO EAF motor focus system.

  • Suitable for all 2.5" TSFOCR25, TSFOCR25S and TSFOCR25-117 focusers and telescopes equipped with these focusers
  • Allows the use of the EAF motor focus system from ZWO
  • Includes the complete mounting, you do not need any accessories
  • Simple and self-explanatory mounting
  • Dimensionally stable up to 110 °C due to the use of special PLA for 3D printing
  • Eyepiece extension and motor focus are not included in the scope of delivery
79.90 €
Estimated delivery time : 3-4 days
 
 
Equip the 3" RAP focuser from TS-Optics with the ZWO EAF motor focus system.
  • Allows the use of the EAF motorfocus system from ZWO
  • Includes the complete mounting, you do not need any accessories
  • Simple and self-explanatory mounting
  • Dimensionally stable up to 110 °C due to the use of special PLA for 3D printing
  • Eyepiece focuser and motor focus are not included in the scope of delivery
84.90 €
Estimated delivery time : 3-4 days
 
 

Equip the 3.7" TS-Optics rack and pinion focuser with the ZWO EAF motor focus system.

  • Suitable for 3.7" TSFOCR, focusers and telescopes equipped with these focusers
  • Allows the use of the EAF motorfocus system from ZWO
  • Includes the complete mount, you do not need any accessories
  • Simple and self-explanatory mounting
  • Dimensionally stable up to 110 °C due to the use of special PLA for 3D printing
  • Eyepiece focuser and motor focus are not included in the scope of delivery
79.90 €
Estimated delivery time : 3-4 days
 
 
Equip these two focusers from TS-Optics with the ZWO EAF motor focus system.
  • Suitable for UNCN2-G2 and TSRPN2 focusers
  • Enables the use of the EAF motor focus system from ZWO
  • Elaborate and elegant adaptation to the focuser
  • Simple and self-explanatory mounting
  • Dimensionally stable up to 110 °C due to the use of special PLA for 3D printing
89.90 €
Estimated delivery time : 3-4 days
 
 

The USB-C equipped focus motor from ZWO allows precise motorized focusing of your telescope for astrophotography and observation

  • USB-C port for data transfer and power supply
  • Can easily move up to 5 kg
  • ASCOM, ASIAIR and INDI are supported
  • The ZWO EAF works with all common astrophotography programs and the ASIAir
  • Can be controlled via smartphone or tablet
  • With versatile connection plate for all common focusers, e.g. from TS-Optics, Astro Tech, Feather Touch ...
  • Standard version with focus motor, connection rail and USB-C cable etc.
  • Handbox and temperature sensor available separately (included in the scope of delivery of the EAF Pro, see "Similar products")
259.00 €
Estimated delivery time : 1-4 days (as from Availability)
Availability acc. to manufacturer :
Jul 25 2025

Equipped with USB-C, Bluetooth and rechargeable battery, the focus motor from ZWO allows precise motorized focusing of your telescope for astrophotography and observation.

  • USB-C connection for data transfer and power supply
  • Can be controlled via Bluetooth
  • Integrated rechargeable battery with up to one week of operating time
  • Can easily move up to 5 kg
  • ASCOM, ASIAIR and INDI are supported
  • The ZWO EAF works with all common astrophotography programs and the ASIAir
  • Can be controlled via smartphone or tablet
  • With versatile connection plate for all common focusers, e.g. from TS-Optics, Astro Tech, Feather Touch ...
  • On/off switch and focus buttons
379.00 €
Estimated delivery time : 1-4 days (as from Availability)
Availability acc. to manufacturer :
Jul 25 2025

Temperature sensor allows accurate control of ambient temperature to maintain focus position during temperature changes

  • The sensor is connected directly to the motor focus.
  • The outdoor temperature is measured and can automatically compensate the focus drift by changing the temperature via the corresponding software.
19.90 €
Estimated delivery time : 1-4 days