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 microfocuser 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 3,5" LP low profile... ESATTO 3,5" LP low profile... 2
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ESATTO 3,5" LP

ESATTO 3,5" LP low profile robotic focuser

PLLEST35LP-B
$1,195.00
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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...
Red color bushing for SESTO...
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Spare parts

Red color bushing for SESTO SENSO 2

PL3600116A
$9.00

We do not ship PrimaLuceLab products to UK or USA, you can order to one of our UK or USA dealers.

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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.
ESATTO 2" robotic focuser ESATTO 2" robotic focuser 2
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ESATTO 2"

ESATTO 2" robotic focuser

PLLEST2-B
$645.00

We do not ship PrimaLuceLab products to UK or USA, you can order to one of our UK or USA dealers.

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...
ESATTO 3" robotic focuser
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ESATTO 3”

ESATTO 3" robotic focuser

PLLEST3-B
$895.00

We do not ship PrimaLuceLab products to UK or USA, you can order to one of our UK or USA dealers.

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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...
Adapter ESATTO 4" for...
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$149.00

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Adapter ESATTO 4" for Takahashi FSQ-106EDX 3 and 4 allows you to install ESATTO 4" instead of the original Takahashi focuser. This adapter is designed to have, when used together with ESATTO 4", the same thickness of the original focuser in order to allow you to reach focus with the telescope. Not compatible with standard FSQ-106.
ESATTO 4" robotic focuser
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ESATTO 4”

ESATTO 4" robotic focuser

PLLEST4
$1,395.00

We do not ship PrimaLuceLab products to UK or USA, you can order to one of our UK or USA dealers.

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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...
SESTO SENSO 2 robotic...
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SESTO SENSO

SESTO SENSO 2 robotic focusing motor

SESTOSENSOII
$299.00

We do not ship PrimaLuceLab products to UK or USA, you can order to one of our UK or USA dealers.

7 Reviews
SESTO SENSO 2 - The highly accurate, advanced, 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...
ESATTO 3,5" LP focuser with...
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ESATTO 3,5" LP

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

PLLEST35LPARCO3
$2,685.00
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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 58.5mm of thickness and 76.3mm of free aperture. Order now - shipments start November 5th!
ESATTO 4" focuser with ARCO...
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ESATTO 4”

ESATTO 4" focuser with ARCO 3" rotator

PLLEST4ARCO3
$2,935.00
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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. Order now - shipments start October 18th!
ESATTO 3" focuser with ARCO...
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ESATTO 3”

ESATTO 3" focuser with ARCO 3" rotator

PLLEST3ARCO3
$2,385.00
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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. Order now - shipments start October 18th!
ESATTO 2" focuser with ARCO...
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$1,489.00
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This bundle includes the ESATTO 2" focuser, the ARCO 2" rotator and the adapter to connect them, allowing you to take remote control of focusing and rotation in a compact focuser with just 90.5mm of thickness and 50.9mm of free aperture. Order now - shipments start October 18th!
Black color bushing for...
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Spare parts

Black color bushing for SESTO SENSO 2

PL3600116B
$9.00

We do not ship PrimaLuceLab products to UK or USA, you can order to one of our UK or USA dealers.

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This black color bushing allows you to connect SESTO SENSO 2 motor shaft to focusers with 2.8mm 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.
SESTO SENSO 2 26mm adapter
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Focusers

SESTO SENSO 2 26mm adapter

SESTOSENSO-AD26II
$76.00

We do not ship PrimaLuceLab products to UK or USA, you can order to one of our UK or USA dealers.

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This 26mm adapter allows you to install SESTO SENSO 2 on focusers that come with a 26mm diameter shaft, like focusers from Explorer Scientific (or other focusers with a 26mm diameter shaft). Out of the box, SESTO SENSO 2 connects to focusers that come with a 25mm diameter shaft (the most common diameter on the market). In order to connect it to focusers...
Blue color bushing for...
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Spare parts

Blue color bushing for SESTO SENSO 2

PL3600116C
$9.00

We do not ship PrimaLuceLab products to UK or USA, you can order to one of our UK or USA dealers.

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This blue color bushing allows you to connect SESTO SENSO 2 motor shaft to focusers with 2.4mm 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.
M56 15mm extension tube for...
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$45.00

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The M56 15mm extension tube can be directly threaded to the ESATTO 2" draw tube and allows you to fix camera and accessories further away from the ESATTO microfocuser. This M56 extension tube has 15mm thickness, it's made up of aluminum, black anodized and it has a M56 female on the camera side this way you can connect all the ESATTO 2" camera adapters.
M81 25mm extension tube for...
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$48.00

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The M81 25mm extension tube can be directly threaded to the ESATTO 3" draw tube and allows you to fix camera and accessories further away from the ESATTO microfocuser. This M81 extension tube has 25mm thickness, it's made up of aluminum, black anodized and it has a M81 female on the camera side this way you can connect all the ESATTO 3" camera adapters.
SESTO SENSO 2 33mm adapter
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Focusers

SESTO SENSO 2 33mm adapter

SESTOSENSO-AD33II
$76.00

We do not ship PrimaLuceLab products to UK or USA, you can order to one of our UK or USA dealers.

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This 33mm adapter allows you to install SESTO SENSO 2 on focusers that come with a 33mm diameter shaft, like 2,5" and 3" FeatherTouch focusers (or other focusers with a 33mm diameter shaft). Out of the box, SESTO SENSO 2 connects to focusers that come with a 25mm diameter shaft (the most common diameter on the market). In order to connect it to focusers...
3" visual back for ESATTO...
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$85.00
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If you want to connect a camera with a 3" nosepiece to your ESATTO 3" or ARCO 3", just connect the 3" visual back to the M81 thread of ESATTO 3" or ARCO 3" . This adapter has an internal brass compression ring to avoid scratching the inserted nosepiece as well as 3 locking screws (120° separation) for a perfect fit, even for heavy cameras or accessories.
Adapter from M98 to M68...
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$125.00
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Adapter from M98 to M68 with stop ring for ESATTO 3,5" LP allows you to connect any camera or accessory with M68 female thread. Just thread this adapter to the M98 thread of the ESATTO 3,5" LP draw tube. Thanks to the M68 stop ring for ESATTO 3,5" LP you can also fix the camera at a precise angle in order to better frame your camera sensor at the desired...
Green color bushing for...
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Spare parts

Green color bushing for SESTO SENSO 2

PL3600116D
$9.00

We do not ship PrimaLuceLab products to UK or USA, you can order to one of our UK or USA dealers.

Be the first to review this product
This green color bushing allows you to connect SESTO SENSO 2 motor shaft to focusers with 3.5mm 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.
SESTO SENSO 2 37mm adapter
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Focusers

SESTO SENSO 2 37mm adapter

SESTOSENSO-AD37II
$85.00

We do not ship PrimaLuceLab products to UK or USA, you can order to one of our UK or USA dealers.

Be the first to review this product
This 37mm adapter allows you to install SESTO SENSO 2 on focusers that come with a 37mm diameter shaft, like 3,5" FeatherTouch and FSQ-130 (or other focusers with a 37mm diameter shaft). Out of the box, SESTO SENSO 2 connects to focusers that come with a 25mm diameter shaft (the most common diameter on the market). In order to connect it to focusers with...
2" visual back for ESATTO...
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In Stock
$85.00

We do not ship PrimaLuceLab products to UK or USA, you can order to one of our UK or USA dealers.

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If you want to use your telescope visually with ESATTO 2" or if you want to connect a camera with a 2" nosepiece, just connect the 2" visual back for ESATTO 2" to M56 thread of the focuser draw tube. This adapter has an internal brass compression ring to avoid scratching the inserted nosepiece as well as 3 locking screws (120° separation) for a perfect...
3" visual back for ESATTO... 3" visual back for ESATTO... 2
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ESATTO 3,5" LP

3" visual back for ESATTO 3,5” LP

PL8410011
$95.00
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If you want to connect a camera with a 3" nosepiece to your ESATTO 3,5” LP, just connect the 3" visual back to the M98 thread of ESATTO 3,5” LP. This adapter has an internal brass compression ring to avoid scratching the inserted nosepiece as well as 3 locking screws (120° separation) for a perfect fit, even for heavy cameras or accessories. Optical...
Grey color bushing for...
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Spare parts

Grey color bushing for SESTO SENSO 2

PL3600116E
$9.00

We do not ship PrimaLuceLab products to UK or USA, you can order to one of our UK or USA dealers.

Be the first to review this product
This grey color bushing allows you to connect SESTO SENSO 2 motor shaft to focusers with 3.1mm 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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