Focuser & Accessories

Esatto by Primaluce is a motorized focuser of the latest generation for the best possible results in astrophotography.

• Load capacity up to 5 kg without bending due to 8 specially developed ball bearings
• Short design with only 67 mm overall height
• 15 mm focus path with an incredible resolution of only 0.04 micron per step
• Adapters for connection to various telescopes and camera adapters are available
• Remote control by EAGLE or any Windows computer with control software (ASCOM compatible)
• USB connection to your computer (cable included)
• Remote control with WIFI possible from any smartphone, tablet or computer - due to the ESTATTO Virtual-HandPad app also for visual use

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")

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

Equip the 2.5" RAP focusers from popular manufacturers such as TS-Optics, Omegon, APM, etc. with the Toup Tek for AAF motor focus system.

• Suitable for all 2.5" FOCR25, FOCR25S, and FOCR25-117 focusers and telescopes equipped with these focusers
• Enables the use of the Toup Tek AAF motor focus system
• Includes all mounting hardware; no additional accessories required
• Simple and self-explanatory assembly
• Dimensionally stable up to 80 °C thanks to the use of PETG in 3D printing
• Eyepiece extension and motor focus are not included in the scope of delivery 

ESATTO 3" is the robotic microfocuser perfect for many telescopes like large refractors, Ritchey-Chrétiens or Cassegrains, specifically designed for astrophotography.

• Crayford style focuser with 28 ball bearings
• Specially designed for very high load capacity (up to 8 kg) with no flexure
• Low profile design with only 77 mm thickness
• 25 mm focuser travel with an incredible resolution of 0.04 microns per step!
• Special adapters available to easily connect to many different telescopes
• Remotely controlled from EAGLE or any Windows computer, with dedicated control software or ASCOM drivers
• USB-C connector offering greater reliability and can be connected to any USB type port thanks to the included cable
• Remote control with WiFi from any smartphone, tablet or computer and ESATTO Virtual HandPad app also for visual use!
• Many camera threaded adapters available with stop ring on the camera side to rotate and keep the camera in the optical axis
• ARCO port to easily connect the ARCO camera rotator to the ESATTO without the need for additional data or power cables

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.

Adapt the Toup Tek AAF motor focus to Starlight Feather Touch focusers with this adapter 

• Compatible with all Toup Tek AAF motor focuses
• Compatible with all Starlight FTF 2“, 2.5” and 3" focusers
• Manufactured using 3D printing
• Resistant to UV rays and temperatures up to approx. 80° C

Equip the 3" RAP focuser from popular manufacturers such as TS-Optics, Omegon, APM, etc. with the Toup Tek for AAF motor focus syste.

• Suitable for all 3" FOCR30, FOCR30S focusers and telescopes equipped with these focusers
• Enables the use of the Toup Tek AAF motor focus system
• Includes all mounting hardware; no additional accessories required
• Simple and self-explanatory installation
• Focuser and motor focus are not included in the scope of delivery