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Rotators

ARCO is the robotic ARCsecond resolution rOtator, with low-profile and high load capacity, specifically designed to work with ESATTO or SESTO SENSO 2. Thanks to the incredible resolution of 1 arcsecond per step and to the special design, it allows you to rotate the camera and to de-rotate the field!

Connect ARCO to ESATTO or SESTO SENSO 2 by using the special port and you won't need other USB or 12V power cables. ARCO is available in different versions based on the free aperture you need and many optional adapters are available in order to personalize your system.

ARCO 2"
ARCO 2"
ARCO 3"
ARCO 3"
Spare parts
Spare parts
ARCO rotator port cable -...
In Stock
Spare parts

ARCO rotator port cable - 220mm long

PL3600421
$9.00
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The ARCO rotator port cable - 220mm long is included in the ARCO package but you can also order it as spare part if needed. This cable connects rotator port of ARCO to ESATTO or SESTO SENSO 2. Since this is the shorter cable provided within ARCO package, it's che cable we suggest to connect ARCO to ESATTO.
3" nosepiece for ARCO 3"
In Stock
Rotators

3" nosepiece for ARCO 3"

PL3600466
$65.00
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3" nosepiece for ARCO 3" allows you to connect rotator to focusers that come with 3" visual back and to control it through SESTO SENSO 2 installed on the same focuser.
ARCO 3" camera rotator and...
In Stock
ARCO 3"

ARCO 3" camera rotator and field de-rotator

PLLARCO3
$1,295.00
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ARCO 3" is the larger version of our ARC second resolution rOtator that, thanks to its incredible resolution of 1 arc second per step, is the most precise camera rotator and field de-rotator! The 3” version of ARCO has a thickness of only 23mm and a free aperture of 76.3mm. When used together with an equatorially mounted telescope, ARCO allows you to...
ARCO 2" camera rotator and...
In Stock
ARCO 2"

ARCO 2" camera rotator and field de-rotator

PLLARCO2
$695.00
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ARCO 2" is the new low profile ARC second resolution rOtator that, thanks to its incredible resolution of 1 arc second per step, is the most precise camera rotator and field de-rotator! The 2” version of ARCO has a thickness of only 20mm and a free aperture of 50.9mm. When used together with an equatorially mounted telescope, ARCO allows you to rotate the...
ARCO rotator port cable -...
In Stock
Spare parts

ARCO rotator port cable - 690mm long

PL3600422
$12.00
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The ARCO rotator port cable - 690mm long is included in the ARCO package but you can also order it as spare part if needed. This cable connects rotator port of ARCO to ESATTO or SESTO SENSO 2. Since this is the longer cable provided within ARCO package, it's che cable we suggest to connect ARCO to SESTO SENSO 2.
M63x1 adapter for ARCO 3"
In Stock
ARCO 3"

M63x1 adapter for ARCO 3"

PL3600465
$69.00
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M63x1 adapter for ARCO 3" allows you to connect rotator to focusers or correctors that come with 63x1 female thread and to control it through SESTO SENSO 2 installed on the focuser. Optical thickness of PL3600465 adapter is 2mm.
2" nosepiece for ARCO 2"
In Stock
ARCO 2"

2" nosepiece for ARCO 2"

PL3600413
$49.00
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2" nosepiece for ARCO 2" allows you to connect rotator to focusers that come with 2" visual back and to control it through SESTO SENSO 2 installed on the same focuser.
M86x1 adapter for ARCO 3"
In Stock
ARCO 3"

M86x1 adapter for ARCO 3"

PL3600463
$69.00
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M86x1 adapter for ARCO 3" allows you to connect rotator to focusers or correctors that come with 86x1 female thread and to control it through SESTO SENSO 2 installed on the focuser.
M48x0.75 female adapter for...
In Stock
ARCO 2"

M48x0.75 female adapter for ARCO 2"

PL3600424
$49.00
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M48x0.75 female adapter for ARCO 2" allows you to connect rotator to focusers or correctors that come with M48x0.75 male thread and to control it through SESTO SENSO 2 installed on the focuser. ​PL3600424 adapter adds 6.7mm to ARCO 2” optical thickness so the total optical thickness (ARCO 2" + PL3600424) becomes 26.7mm.
M56x1 male adapter for ARCO 2"
In Stock
ARCO 2"

M56x1 male adapter for ARCO 2"

PL3600427
$49.00
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M56x1 male adapter for ARCO 2" allows you to connect rotator to focusers that come with M56x1 female thread and to control it through SESTO SENSO 2 installed on the focuser. ​PL3600427 adapter adds 1mm to ARCO 2” optical thickness so the total optical thickness (ARCO 2" + PL3600427) becomes 21mm.
Adapter ESATTO 3" for ARCO 3"
In Stock
ARCO 3"

Adapter ESATTO 3" for ARCO 3"

PL3600458
$95.00
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Adapter ESATTO 3" for ARCO 3" allows you to connect the rotator to ESATTO 3" microfocuser and control it through the special port on ESATTO. By adding this adapter to ARCO 3", thickness of rotator is 24.5mm.
Adapter ESATTO 4" for ARCO 3"
In Stock
ARCO 3"

Adapter ESATTO 4" for ARCO 3"

PL3600459
$145.00
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Adapter ESATTO 4" for ARCO 3" allows you to connect the rotator to ESATTO 4" microfocuser and control it through the special port on ESATTO. By adding this adapter to ARCO 3", thickness of rotator is 24.5mm.
Adapter ESATTO 2" for ARCO 2"
In Stock
ARCO 2"

Adapter ESATTO 2" for ARCO 2"

PL3600412
$49.00
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Adapter ESATTO 2" for ARCO 2" allows you to connect the rotator to ESATTO 2" microfocuser and control it through the special port on ESATTO. By adding this adapter to ARCO 2", thickness of rotator is 21mm.
Adapter ESATTO 3,5” LP for...
In Stock
ARCO 3"

Adapter ESATTO 3,5” LP for ARCO 3"

PL3600467
$95.00
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Adapter ESATTO 3,5” LP for ARCO 3" allows you to connect the rotator to ESATTO 3,5" LP low profile focuser and control it through the special port on ESATTO. By adding this adapter (that has an optical thickness of 3mm) to ARCO 3", thickness of rotator becomes 26mm.
Adapter ESATTO 3" for ARCO 2"
In Stock
Rotators

Adapter ESATTO 3" for ARCO 2"

PL3600416
$69.00
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Adapter ESATTO 3" for ARCO 2" allows you to connect the rotator to ESATTO 3" microfocuser and control it through the special port on ESATTO. By adding this adapter to ARCO 2", thickness of rotator is 21mm.
M65x1 adapter for ARCO 3"
In Stock
ARCO 3"

M65x1 adapter for ARCO 3"

PL3600468
$69.00
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M65x1 adapter for ARCO 3" allows you to connect rotator to focusers or correctors that come with 65x1 female thread and to control it through SESTO SENSO 2 installed on the focuser. Optical thickness of this adapter is 3.5mm.
Adapter ESATTO 4" for ARCO 2"
Not available
ARCO 2"

Adapter ESATTO 4" for ARCO 2"

PL3600423
$89.00
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Adapter ESATTO 4" for ARCO 2" allows you to connect the rotator to ESATTO 4" microfocuser and control it through the special port on ESATTO. By adding this adapter to ARCO 2", thickness of rotator is 21mm.
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Adapter ESATTO 2" LP for...
In Stock
ARCO 2"

Adapter ESATTO 2" LP for ARCO 2"

PL3600538
$95.00
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Adapter ESATTO 2" LP for ARCO 2" allows you to connect the rotator to ESATTO 2" LP robotic focuser and control it through the special port on ESATTO. By adding this adapter to ARCO 2", thickness of rotator is 22mm.
Adapter ESATTO 4" for ARCO...
In Stock
ARCO 3"

Adapter ESATTO 4" for ARCO 3", only for FSQ106

PL3600469
$145.00
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In order to prevent the ARCO 3" rotator to touch the internal field flattener of FSQ-106 telescope, we designed this special version of adapter that allows you to connect the ARCO 3" rotator to ESATTO 4" focuser, when installed on the FSQ-106. This adapter optical thickness is 10,5mm so, by adding it to ARCO 3", rotator optical thickness becomes 33,5mm....
Rotators

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