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Focusers

The most complete line of made in Italy focusers for telescopes and astrophotography! Great design, lots of features and high performance at an affordable price.

- ESATTO is the all-in-one robotic focuser with high performance and load capacity that can be controlled from EAGLE or a Windows computer via a simple USB cable or from a smartphone/tablet with a WiFi connection.

- SESTO SENSO is the universal focusing motor that connects to the focusers of many telescopes and allows remote control.

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ESATTO 2"
ESATTO 2"
ESATTO 3”
ESATTO 3”
ESATTO 3,5" LP
ESATTO 3,5" LP
ESATTO 4”
ESATTO 4”
SESTO SENSO
SESTO SENSO
Spare parts
Spare parts
ESATTO 2" LP
ESATTO 2" LP
FOR VERY LARGE TELESCOPES
FOR VERY LARGE TELESCOPES
ESATTO 7.5" LP focuser with ARCO 7" rotator|FOR VERY LARGE TELESCOPES|Primalucelab en
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FOR VERY LARGE TELESCOPES

ESATTO 7.5" LP focuser with ARCO 7" rotator

PLLEST75LPARCO7
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ESATTO 7.5" LP focuser with ARCO 7" rotator is the focusing rotator we designed even for the largest telescopes! This bundle (weight 13.5 kg) includes our most advanced motorized focuser and rotator designed for large professional telescopes, offering an ultra-low profile (90mm optical thickness), a massive 183mm free aperture, with extreme 0.08-micron...
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SESTO SENSO 3 robotic...
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SESTO SENSO

SESTO SENSO 3 robotic focusing motor for external focusers

SESTOSENSO3
$299.00
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SESTO SENSO 3 is our most advanced robotic focusing motor for rack-and-pinion or Crayford-style focusers, combining high precision, flexibility, and ease of use in a compact design. Developed and manufactured in Italy by PrimaLuceLab, it introduces key innovations such as the integrated position encoder, which allows manual movement of the focuser without...
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ESATTO 2" LP low profile robotic focuser|ESATTO 2" LP|Primalucelab en
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ESATTO 2" LP

ESATTO 2" LP low profile robotic focuser

PLLEST2LP-B
$980.00
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ESATTO 2” LP is the most compact low profile robotic focuser specially designed for telescopes with low backfocus and it can fit also the Celestron EdgeHD 8"! At just 32mm of thickness, ESATTO 2” LP provides a large 50.9mm free aperture with 10mm of travel, 5 kg of payload capacity and an incredible resolution of 0.03 microns per step! And like all the...
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ESATTO 3,5" LP low profile robotic focuser|ESATTO 3,5" LP|Primalucelab en
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ESATTO 3,5" LP

ESATTO 3,5" LP low profile robotic focuser

PLLEST35LP-B
$1,339.00
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ESATTO 3,5” LP is the most advanced yet affordable low profile robotic focuser specially designed for the most demanding astrophotography! At just 32mm of thickness, ESATTO 3,5” LP provides a large 90mm free aperture with 10mm of travel, impressive 10 kg of payload capacity and an astounding resolution of 0.01 microns per step! ESATTO 3,5” LP has been...
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Red color bushing for SESTO SENSO 2|Spare parts|Primalucelab en
Spare parts

Red color bushing for SESTO SENSO 2

PL3600116A
$11.00
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This red color bushing allows you to connect SESTO SENSO 2 motor shaft to focusers with 2.5mm diameter shaft. This bushing is included in the SESTO SENSO 2 box but you can also order this as spare part if needed. This red color bushing is not compatible with SESTO SENSO first generation.
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ESATTO 2" robotic focuser|ESATTO 2"|Primalucelab en
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ESATTO 2"

ESATTO 2" robotic focuser

PLLEST2-B
$756.00
2 Reviews
ESATTO is the new generation robotic focuser that includes motor and advanced electronics and you control with EAGLE or any Windows computer by connecting it to a USB port, or via WiFi by using the Virtual HandPad on your smartphone or tablet! The 2” version of the ESATTO 2" has 50.9mm free aperture, 15mm of draw tube travel, 5kg load capacity and...
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ESATTO 3" robotic focuser|ESATTO 3”|Primalucelab en
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ESATTO 3”

ESATTO 3" robotic focuser

PLLEST3-B
$1,058.00
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ESATTO robotic focuser is also available in 3" version with 76.3mm free aperture, 25mm of draw tube travel, 8kg of payload capacity and an incredible resolution of 0,04 micron per step! The perfect solution for apochromatic refractors and Ritchey-Chretien or Cassegrain telescopes, and heavy imaging trains with large cameras and accessories like off axis...
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ESATTO 4" robotic focuser|ESATTO 4”|Primalucelab en
ESATTO 4”

ESATTO 4" robotic focuser

PLLEST4
$1,562.00
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ESATTO 4" is the large dimensions robotic focuser that we designed for observatory class telescopes or for astrographs that need for large free aperture, like the Takahashi FSQ-106. Compared to the smaller models, ESATTO 4" offers a larger free aperture of 102.2mm, a longer draw tube travel of 35mm and a higher payload capacity of 10 kg, always with the...
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SESTO SENSO 3 SC robotic...
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SESTO SENSO

SESTO SENSO 3 SC robotic focusing motor for SC type telescopes

SESTOSENSO3SC
$349.00
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SESTO SENSO 3 SC is the advanced robotic focusing motor specifically designed for Schmidt-Cassegrain, EdgeHD, RASA, and other telescopes with internal mirror focus systems. Developed and manufactured in Italy by PrimaLuceLab, it features key innovations such as the Direct Pulley Clamp (DPC) — a backlash-free, pulley-driven coupling that allows precise...
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ESATTO 3,5" LP focuser with ARCO 3" rotator|ESATTO 3,5" LP|Primalucelab en
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ESATTO 3,5" LP

ESATTO 3,5" LP focuser with ARCO 3" rotator

PLLEST35LPARCO3
$2,903.00
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This bundle includes the ESATTO 3,5" LP low profile focuser, the ARCO 3" rotator and the adapter to connect them, allowing you to take remote control of focusing and rotation in a compact focuser with just 58mm of thickness and 76.3mm of free aperture.
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ESATTO 4" focuser with ARCO 3" rotator|ESATTO 4”|Primalucelab en
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ESATTO 4”

ESATTO 4" focuser with ARCO 3" rotator

PLLEST4ARCO3
$3,186.00
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This bundle includes the ESATTO 4" focuser, the ARCO 3" rotator and the adapter to connect them, allowing you to take remote control of focusing and rotation in a compact focuser with just 93.0mm of thickness and 76.3mm of free aperture.
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ESATTO 3" focuser with ARCO 3" rotator|ESATTO 3”|Primalucelab en
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ESATTO 3”

ESATTO 3" focuser with ARCO 3" rotator

PLLEST3ARCO3
$2,622.00
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This bundle includes the ESATTO 3" focuser, the ARCO 3" rotator and the adapter to connect them, allowing you to take remote control of focusing and rotation in a compact focuser with just 86.5mm of thickness and 76.3mm of free aperture.
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Focusers

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