Primaluce Lab Sesto Senso V2 Robotic Stepper Focus Motor
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Primaluce Lab Sesto Senso V2 Robotic Stepper Focus MotorPrimaluce Lab Sesto Senso V2 Robotic Stepper Focus MotorPrimaluce Lab Sesto Senso V2 Robotic Stepper Focus Motor

Primaluce Lab Sesto Senso V2 Robotic Stepper Focus Motor

£269.00
  (4 Reviews)
✓ 2 year warranty

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Usually shipped 7-10 working days.
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About this product

Model:  pl_sesto_senso
Part Number:  SESTOSENSOII

The new updated Sesto Senso 2 is a highly accurate, vibration free, robotic focusing motor for your telescope! 

Connect it to the USB port of your EAGLE or Windows® computer to electronically control focus while still allowing you to manually move your focuser by hand if needed.

If you don’t want to focus using a computer, you can connect wirelessly from any smartphone or tablet using the integrated Virtual HandPad via the built-in Wifi network in the SESTO SENSO 2!

Thanks to the Self Centering Clamp technology (SCC), SESTO SENSO 2 can be installed on most focusers without the need of external brackets.

The supplied FOCUS Manager software and ASCOM driver allow easy configuration of the many advanced features of SESTO SENSO 2.

Thanks to the precisely controlled motor with integrated electronics, SESTO SENSO 2 achieves incredible precision of just 0.7 microns.

Compact, lightweight, integrated design

The control electronics are integrated into a single compact enclosure with its ports displayed on the side.

In the upper area you find the dimmable status LEDs that can even be turned off for better light management at night.

Below the LEDs, you will find the USB-C port to connect SESTO SENSO 2 to an EAGLE or other Windows® computer using the provided cable, the ARCO port to power and control the optional ARCO camera rotator with a single cable, the 12V power supply port that powers the motor and integrated electronics using the provided cigarette lighter socket power cable (an optional cable is also available to power it directly from the EAGLE) and the port for the optional temperature sensor that allows (by using third party software) to perform auto focus adjustment procedures with the ambient temperature variation.

Control it via USB-C from the EAGLE or from any Windows® computer with a standard USB port

Includes a sturdy USB-C port to connect to the USB port on your EAGLE or any Windows® computer (cable provided), and control it via the provided FOCUSER Manager software or the ASCOM driver. SESTO SENSO 2 uses a USB-C port providing increased reliability with its reversible plug: you can connect the USB cable in either orientation, preventing problems when connected in the dark.

Control via WiFi, from any smartphone or tablet via the Virtual HandPad

The SESTO SENSO 2 now has built-in WiFi remote control capability so you can control it from any smartphone or tablet, without the need of a computer! Just connect your device to the WiFi network of the SESTO SENSO 2 and start the app - You will be able to control the focuser by using the dedicated Virtual HandPad. Thanks to convenient preset settings, you can easily record and move the focuser to specific predetermined positions - Great for visual use too! WiFi control works even if SESTO SENSO 2 is also connected to a computer so you can control it simultaneously from 2 devices.

Easily connects to most focusers thanks to its Self Centering Clamp (SCC) without the need of external brackets

SESTO SENSO 2 doesn’t require any external brackets to attach to focusers: just remove the fine and coarse knobs from your focuser and you will reveal a shaft. SESTO SENSO 2 is designed to fit to a 25mm diameter shaft, common to most focusers on the market (optional adapters available for focusers with shaft diameters of 33 or 37mm - other diameters are currently not compatible). SESTO SENSO 2 uses a new shaft connection bushing, improved over the previous generation, that has been designed to accommodate different focusers more easily. Another advantage of the SCC technology is that you can always use the manual (coarse) knobs of your focuser, even if SESTO SENSO 2 is installed (if you move the focuser by hand, in order to control the focuser again with SESTO SENSO you will only need to manually bring the focuser to the minimum position and press the "Set position as 0" button to calibrate it again). SESTO SENSO is compatible with many telescopes, like (but not lmited to these):

  • SkyWatcher EVOSTAR 72 ED, 80 ED, 100 ED and 120 ED
  • SkyWatcher ESPRIT 80 ED, 100 ED and 120 ED
  • SkyWatcher Newton 200mm and 250mm, f/4 and f/5
  • Takahashi FSQ85
  • Takahashi FSQ106
  • Telescopes with Baader SteelTrack® focuser
  • Telescopes with FeatherTouch 2" focuser (3" and 3,5" models require optional 33mm or 37mm adapter)
  • GSO Ritchey-Chretien with 2" and 3" focusers
  • TS-Optics TSED80F7 (with 33mm optional adatper)
  • TS-Optics TSApo60f6RED (with 33mm optional adatper)
  • TS-Optics TSAPO72F6 (with 33mm optional adatper)
  • TS-Optics TLAPO804 (with 33mm optional adatper)
  • TS-Optics TS71SDQ
  • TS-Optics TS86SDQ

SESTO SENSO 2 can be used with many different telescopes, like Newtonians, refractors, and Schmidt-Cassegrain (and aplanatic versions) with external manual focusers. If you are searching for a motorized focuser for your SC/RC type telescope and you haven’t already installed an external focuser, may we suggest our ESATTO focuser with a high load capacity, integrated motor, and the same advanced electronic control found in the SESTO SENSO 2.

What's in the box

  • Sesto Senso 2
  • 12v DC cigarette-style plug power cable
  • USB-C to standard USB cable
  • Hex keys for assembly
  • Set of 5 colour-coded bushes for different focusers
  • Quick installation guide

Customer reviews

Average Rating (4 Reviews):  
Write a Review and share your opinions!

Rating (max 5):  
Sesto Senso gen1
Monday, 23 December 2019  | 

Great quality product, easy to install, easy to use in APT.
A handcontroller would be interesting for visual use, but gen 2 is fixing this.
I recommend this product !


Rating (max 5):  
Primaluce Lab Sesto Senso Sixth Sense Robotic Stepper Focus Motor
Wednesday, 12 June 2019  | 

I get this focuser motor to use it with my Esprit 150, I fitted it easily on the fucuser and it works just fine. The focuser feels high quality and well made and easy to use, it comes with nice software and ASCOM driver which means that it can be controlled via lots of applications such as Kstars, SGP, and others!
Although it is a bit pricey but I really like it and would deferentially recommend it.


Rating (max 5):  
Stylish design with good performance
Tuesday, 23 April 2019  | 

I have been gradually updating my AP kit so that I can spend less time imaging in the cold outdoors and more time viewing from the PC screen indoors. Being able to remotely focus was an essential element and so i was looking for something to attach to my small refractor (WO Megrez 72). FLO recommended the Sesto Senso which, although a bit expensive, looked like a more stylish and modern solution than some of the other 'Heath-Robinson' options on the market. The focus motor arrived from FLO in a few days and I was able successfully to attach it to my scope without too much difficulty. The main things to be aware of are (a) the grub screws are small and can be a bit fiddly, and (b) although there are a range of couplers included to match different size focuser shafts, unless the coupler hole is exactly matched to the shaft then you may need to adjust the setup a few times to get the motor and focuser shafts perfectly concentric (ideally to allow adjustment there would be 4 screws to attach the focuser rather than just 2).

From a software control perspective the Sesto Senso was very straightforward to set up, I use it with SGP via the Ascom drivers and so far (1 month in) it works perfectly on my rig. One small annoying feature: there is a white semi-opaque plastic top to the unit with a red light which flashes underneath when in use and can be a bit distracting in the dark. The other point to note is that I needed to balance my scope along the third axis after fitting the motor to counterbalance the weight hanging off one side.

Overall I am very happy with the performance of the unit, it only dropped 1 star in this review because of the value for money equation - though I see that FLO have now reduced the price which makes it an even more attractive option.


Rating (max 5):  
Very nice design and manufacture at a competitive price
Tuesday, 19 February 2019  | 

I have been looking for sometime to provide a stepper motor drive for my first generation Explore Scientific ED102 which has a reasonable Rack and Pinion focuser. Up to now the options seem to be either expensive and convoluted (requiring a new focuser plus special adaptor etc.) or a bit 'Heath Robinson'. This new product caught my eye. The standard adaptor clamp for the SESTO SENSO is 25 mm in dia. I removed the focusing knobs from the ES 102 and measured the diameter - seemed to be about right (but the ES 102 is not in the list of compatible scopes). When it arrived from FLO, I found I had to carefully file away about 30 thou from part of the clamp in order to get it to fit snugly.

Now it's fitted it works a treat! Software installs without problems and is easy to use (although I have not tried the ASCOM driver yet). I am very pleased with the product - it is nicely designed and made, and easy to disassemble if needed. For me it is a much better solution than the alternatives.

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