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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Focusers

SESTO SENSO 2 37mm adapter

SESTOSENSO-AD37II
$85.00

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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...
$85.00

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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...
$95.00
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Adapter ESATTO 2” LP for telescopes with large 3.3" SC thread allows you to connect the ESATTO 2" LP to Celestron SCT (11" and 14") and EdgeHD (925, 1100, and 1400) models. Since the ESATTO 2" LP has an optical thickness of 32mm and the 3.3” adapter has only 2mm of optical thickness, this leaves 112mm of backfocus for your camera and accessories, also...
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...
Spare parts

Grey color bushing for SESTO SENSO 2

PL3600116E
$9.00

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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.
$85.00

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If you want to use your telescope visually with ESATTO 3" or if you want to connect a camera with a 2" nosepiece, just connect the 2" visual back for ESATTO 3" to the M81 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...
$145.00

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If you are searching for the most precise motorized focuser to use the SkyWatcher/Orion ED80, ED100 or ED120 apochromatic refractors for astrophotography, this adapter allows you to connect ESATTO 2" to this telescope. By adding this adapter to ESATTO, your new focuser will have the same thickness of the standard one. Based on the camera and accessories...
$125.00
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Adapter from M60 to M48 with stop ring for ESATTO 2" LP allows you to connect any camera or accessory with M48 female thread. Just thread this adapter to the M60 thread of the ESATTO 2" LP draw tube. Thanks to the M48 stop ring for ESATTO 2" LP you can also fix the camera at a precise angle in order to better frame your camera sensor at the desired...
ESATTO 3”

40mm extension tube for ESATTO 3"

PL3600317
$125.00
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When installing ESATTO 3" in a telescope with a long travel focuser (such as those usually found on refractors), it is necessary to take into account the lower travel of ESATTO 3" since it's a micrometric focuser. For this reason we have designed this 40mm extension that can be installed between ESATTO 3" and the telescope tube. A precise dovetail...
$95.00
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By adding this adapter, you can connect the ESATTO 3,5" LP low profile robotic focuser directly onto the back of SC telescopes. Optical thickness of this adapter is just 10mm.
$9.00

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This yellow color bushing allows you to connect SESTO SENSO 2 motor shaft to focusers with 4.0mm 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.
$149.00

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Adapter ESATTO 4" for Takahashi FSQ-106 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 FSQ-106EDX 3 and 4.
$165.00

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If you are searching for the most precise motorized focuser to use the SkyWatcher/Orion Newton 250 f4 and f5 reflector for astrophotography, this adapter allows you to connect ESATTO 2" to this telescope. With this adapter the focuser thickness is the same of the original focuser (excluded camera adapter or visual back for ESATTO) in order to allow you...
$125.00
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Adapter from M60 to M54 with stop ring for ESATTO 2" LP allows you to connect any camera or accessory with M54 female thread. Just thread this adapter to the M60 thread of the ESATTO 2" LP draw tube. Thanks to the M54 stop ring for ESATTO 2" LP you can also fix the camera at a precise angle in order to better frame your camera sensor at the desired...
Spare parts

Flexible bushing for SESTO SENSO 2

PL3600119
$19.00
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This flexible bushing connects the SESTO SENSO 2 motor to one of the red, black, blue, green, grey or yellow bushings for different focusers. This flexible bushing is included in the SESTO SENSO 2 box but you can also order this as spare part if needed. This flexible bushing is not compatible with SESTO SENSO first generation.
$95.00
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Adapter ESATTO 3,5” LP for telescopes with large 3.3" SC thread allows you to connect the ESATTO 3,5" LP to Celestron SCT (11" and 14") and EdgeHD (925, 1100, and 1400) models. Since the ESATTO has a depth of 32mm and the 3.3” adapter has only 2mm of optical thickness, this leaves 112mm of backfocus for your camera and accessories, also when used together...
$165.00

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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 has 35mm optical thickness and it is designed to have, when used together with ESATTO 4", the same thickness of the original focuser (100.5mm) in order to allow you to reach focus with the telescope. Not compatible...
$138.00

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

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When installing ESATTO 3" in a telescope with a long travel focuser (such as those usually found on refractors), it is necessary to take into account the lower travel of ESATTO 3" since it's a micrometric focuser. For this reason we have designed this 65mm extension that can be installed between ESATTO 3" and the telescope tube. A precise dovetail...
$165.00

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

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If you are searching for the most precise motorized focuser to use the SkyWatcher/Orion Newton 200 f4 and f5 reflectors for astrophotography, this adapter allows you to connect ESATTO 2" to these telescopes. With this adapter the focuser thickness is the same of the original focuser (excluded camera adapter or visual back for ESATTO) in order to allow you...
$125.00
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Adapter from M60 to T2 with stop ring for ESATTO 2" LP allows you to connect any camera or accessory with T2 (M42x0.75) female thread. Just thread this adapter to the M60 thread of the ESATTO 2" LP draw tube. Thanks to the T2 stop ring for ESATTO 2" LP you can also fix the camera at a precise angle in order to better frame your camera sensor at the...
$16.00
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Black color bushing long is usually included in 33 or 37mm adapters that allow to connect SESTO SENSO 2 to focusers with shafts larger than 25mm. If you upgraded from SESTO SENSO first generation to SESTO SENSO 2 and you also have one of the first generation adapters, you can just order the "Black color bushing long for SESTO SENSO 2 adapters" and connect...
$195.00
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The adapter ESATTO 3,5” LP for OfficinaStellare Veloce RH200 allows you to install ESATTO 3,5" LP focuser to Veloce RH200 telescopes by Officina Stellare. Optical thickness of this adapter is 9mm. 
$145.00

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If you are searching for the most precise motorized focuser for Takahashi FS-60Q, this adapter allows you to connect ESATTO 2" to this telescope. Optical thickness is 5mm. Based on the camera and accessories train you want to connect, you may need extenders to reach the focus with your camera.

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