Astronomy Specialist

PRIMA LUCE LAB ESATTO 4" ROBOTIC FOCUSER

$2,299.00


Click here for instructions on how to install the ESATTO to refractor telescopes.

ESATTO 4" is the most advanced large-dimension robotic microfocuser designed for observatory class telescopes or for astrographs needing a large free aperture, like the Takahashi FSQ-106. Compared to the smaller models, ESATTO 4" offers a larger free aperture of 102mm, a longer draw tube travel of 35mm and a higher payload capacity of 10 kg. The ESATTO 4" features incredible resolution of 0.04 microns per step, dimmable LEDs, USB-C port for computer control, WiFi connection with included Virtual HandPad and ARCO rotator port. 



Dimensions comparison: ESATTO 2" (left), ESATTO 3" (center) ed ESATTO 4" (right). Dimensions comparison: ESATTO 2" (left), ESATTO 3" (center), ESATTO 4" (right).

 

ESATTO 4” robotic microfocuser - main features:

  • Crayford style focuser with 40 ball bearings, specially designed for very high load capacity (up to 10 kgs) with no flexure.
  • Low profile design with only 65mm thickness (91mm with internal flange). 
  • 15mm focuser travel with an incredible resolution of 0.04 microns per step! 
  • 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! 
  • ARCO port to easily connect the ARCO rotator to the ESATTO without the need for additional data or power cables.
  • Weight: 2050 gr. 

 

The perfect focuser for Takahashi FSQ-106 astrograph

 

The perfect focuser for Takahashi FSQ-106 astrograph

Thanks to special optics, Takahashi FSQ-106 is one of the best performing astrographs and it's used by the best astrophotographers in the world. The special internal corrector is so large that ir requires a very large focuser to use it. For this reason ESATTO 4" is the ideal focuser for the Takahashi FSQ-106 telescope thus allowing remote and high precision control even of very heavy cameras and accessories.

 

ESATTO 4" installed on the Takahashi FSQ-106 ESATTO 4" installed on the Takahashi FSQ-106 (with the optional adapter) and with optional M92x1 adapter. The FSQ-106 telescope is shown with PLUS 125mm support rings.

Special adaptor for Takahashi FSQ-106 and to connect Takahashi photographic adaptors

In order to allow you to install ESATTO 4" in place of the original Takahashi focuser, we have designed a special adaptor that makes ESATTO 4" have the same thickness of the original focuser. In addition, we have created an adaptor to be screwed to the M110x1 thread of the ESATTO 4" draw tube to convert it into an M92x1 female thread which is the same as the one on the original Takahashi focuser. In this way you can remove the original focuser, install ESATTO 4" with the optional adaptors and you will find focus point with the same photographic adaptors you used before!

 

ESATTO 4" installed on the Takahashi FSQ-106

ESATTO 4" installed on the Takahashi FSQ-106 (with the optional adapter) and with optional M92x1 adapter. The FSQ-106 telescope is shown with PLUS 125mm support rings.

 

Payload
10 kg
Clear aperture
102 mm
Resolution 0.04 micron / step
Draw tube excursion 35 mm
Thread on camera side
M110 x 1 Female
Weight
2050 g
Dimensions 65 mm (91 mm with internal flange)
Focuser travel 15 mm
SKU PLLEST4

 

Dimensions of the ESATTO 4" robotic microfocuser. Dimensions of the ESATTO 4" robotic microfocuser.

 

  • Prima Luce Lab Esatto 4"
  • Power supply cable
  • USB-C cable

 

 

 
ZWO camera software Manual (English)

ZWO camera software Manual (Italian)

ZWO camera software Drivers

 

To have access to the latest version of the manual, software package and firmware visit www.primalucelab.com/astronomy/downloads 

 

To connect Esatto via WiFi to your computer, smartphone or tablet and use the virtual hand pad: 

  • Connect your device to the focuser WiFi network ESATTOxxxxx;
  • Enter the password "primalucelab", 
  • Open your browser and enter the address 192.168.4.1
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