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Canada's top-tier Telescopes & Accessories

Focusers


75 products

  1. $2,079.85 USD
    Back Order / Waiting List

    Flight Lakes Instrumentation: FLI Atlas Digital Focuser (95.25mm Aperture)

    Today’s sophisticated imaging systems include color filter wheels (asymmetrical weight distribution), off-axis guiders, rotators, corrective optics, and CCD cameras. Together they present a formidable group of equipment that must be moved with micron accuracy and no image shift to achieve the finest results. The Atlas Digital Focuser is up to the task; an engineering ”pièce de résistance” with unique solutions to achieving critical focus with heavy loads. 

    FLI's digital focusers are specifically designed for modern CCD imaging where the digital imaging system is mounted very close to correct focus. The thin designs allow focusing with short-travel optical designs.
    The production load test setup consists of an Atlas focuser horizontally mounted to a fixed base and loaded with a ProLine camera at the end of a 10" long aluminum tube. As the focuser is moved repeatedly in both directions, it comes back to the same position every time. The displacement is measured by a dial indicator with 0.0001" resolution, a close-up of the dial face is shown for clearer viewing. Small step actuation at the end of the sequence highlights the precision of the instrument.
    Tested Under Extreme Conditions
    Ice crystals form on the surface of the Atlas focuser after it was removed from FLI's temperature chamber. The focuser handles operation in temperatures below -25°C thanks to a high-performance low-temperature lubricant. Special precautions are necessary for those cold nights, ice buildup must be in kept in check in order to allow the focuser parts to move freely.

  2. $785.00 USD
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    MoonLite Accessories: The modular design of the CFL large 2.5" large format refractor focuser makes it very versatile. Just pick the options you need in these 4 categories: Flange, Draw tube, Focus knob/motor, and Color.  Includes 1 flange, stepper motor, and mini V2 controller.

    Contact us to ensure we select the correct flange for your telescope.

  3. $382.50 USD
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    Scheduled Delivery

    PrimaluceLab: Adapter Paramount MX adapter for C120 pier
    This adapter allows you to install the Paramount MX mount on the C120 pier.

  4. $12.24 USD
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    Scheduled Delivery

    PrimaluceLab: T2 spacers are available with 0,5mm or 1mm thickness and are used together with T2 extensions in order to fine set extension total thickness.
    T2 spacers can be used together with T2 extensions in order to fine set the total thickness of the extension.

  5. $12.24 USD
    specialorder
    Scheduled Delivery

    PrimaluceLab: T2 spacers are available with 0,5mm or 1mm thickness and are used together with T2 extensions in order to fine set extension total thickness.
    T2 spacers can be used together with T2 extensions in order to fine set the total thickness of the extension.

  6. $19.38 USD
    specialorder
    Scheduled Delivery

    PrimaluceLab: PrimaLuceLab T2 extensions are available in different lengths and they present on both sides of a T2 thread (one side is male, the other is female). Completely made of metal with black anodizing (both internal and external), these extensions offer an external knurling for a better grip (very useful for example when screwing or unscrewing). Thanks to different T2 extensions and spacers, by ordering different combinations you can adjust the thickness of your personalized extension, in 0.5mm steps!

    T2 extension rings have different use:

    • can be screwed to optical accessories (such as field flatteners or focal reducers) to bring the camera sensor at the right distance from the lens (to optimize performance)
    • can be used to separate the mechanical accessories that, when used together, can touch and then not work properly (eg an off-axis guider could touch a filter wheel and it could prevent its rotation searching for a guide star)

    T2 extension installed (together with the M48 female to T2 male adapter) between camera and corrector in order to correctly set backfocus.

    5mm T2 extension: specifications
    - Thickness: 5mm
    - Material: aluminum
    - Black anodizing
    - T2 male and female thread on sides
    - External knurling to improve grip
    T2 extensions can be screwed together. In order to set the perfect thickness you need, you can also add the T2 1mm and 0.5mm spacers in between.
     

  7. $19.38 USD
    specialorder
    Scheduled Delivery

    PrimaluceLab: PrimaLuceLab T2 extensions are available in different lengths and they present on both sides of a T2 thread (one side is male, the other is female). Completely made of metal with black anodizing (both internal and external), these extensions offer an external knurling for a better grip (very useful for example when screwing or unscrewing). Thanks to different T2 extensions and spacers, by ordering different combinations you can adjust the thickness of your personalized extension, in 0.5mm steps!

    T2 extension rings have different use:

    • can be screwed to optical accessories (such as field flatteners or focal reducers) to bring the camera sensor at the right distance from the lens (to optimize performance)
    • can be used to separate the mechanical accessories that, when used together, can touch and then not work properly (eg an off-axis guider could touch a filter wheel and it could prevent its rotation searching for a guide star)

    T2 extension installed (together with the M48 female to T2 male adapter) between camera and corrector in order to correctly set backfocus.

    7mm T2 extension: specifications
    - Thickness: 7mm
    - Material: aluminum
    - Black anodizing
    - T2 male and female thread on sides
    - External knurling to improve grip
    T2 extensions can be screwed together. In order to set the perfect thickness you need, you can also add the T2 1mm and 0.5mm spacers in between.

  8. $24.48 USD
    specialorder
    Scheduled Delivery

    PrimaluceLab: PrimaLuceLab T2 extensions are available in different lengths and they present on both sides of a T2 thread (one side is male, the other is female). Completely made of metal with black anodizing (both internal and external), these extensions offer an external knurling for a better grip (very useful for example when screwing or unscrewing). Thanks to different T2 extensions and spacers, by ordering different combinations you can adjust the thickness of your personalized extension, in 0.5mm steps!

    T2 extension rings have different use:

    • can be screwed to optical accessories (such as field flatteners or focal reducers) to bring the camera sensor at the right distance from the lens (to optimize performance)
    • can be used to separate the mechanical accessories that, when used together, can touch and then not work properly (eg an off-axis guider could touch a filter wheel and it could prevent its rotation searching for a guide star)

    T2 extension installed (together with the M48 female to T2 male adapter) between camera and corrector in order to correctly set backfocus.

    9mm T2 extension: specifications
    - Thickness: 9mm
    - Material: aluminum
    - Black anodizing
    - T2 male and female thread on sides
    - External knurling to improve grip
    T2 extensions can be screwed together. In order to set the perfect thickness you need, you can also add the T2 1mm and 0.5mm spacers in between.

  9. $22.44 USD
    specialorder
    Scheduled Delivery

    PrimaluceLab: The M48 male to T2 female adapter allows you to connect accessories with M48 thread (48x0.75 female) to those with T2 thread (42x0,75 male). Sometimes in fact the photographic accessories come with different threads: the T2 and the M48 are the most widespread and used.

    This adapter is made entirely of metal and has black anodizing. The adapter is very thin and, when engaged, adds only 3mm thick to the accessory that is connected to.
    This M48 male to T2 female adapter can be used in many cases, for example to convert a M48 female thread into a T2 female one. In fact, some photographic accessories (such as some filter wheels or off axis guiders) are equipped with M48 female thread and using this adapter, you can connect them with other accessories that have a T2 male thread.
     

  10. $22.44 USD
    specialorder
    Scheduled Delivery

    PrimaluceLab: M48 female to T2 male adapter allows you to connect accessories with M48 thread (48x0.75 male) to those with T2 thread (42x0,75 female). In fact sometimes the photographic accessories come with different threads: the T2 and the M48 are the most widespread and used.
    This adapter is made entirely of metal and has black anodizing. The adapter is very thin and, when engaged, adds only 5mm thickness to the accessory that is connected to.
    This adapter can be used in many cases, eg for connecting a corrector with M48 thread to a camera (which often presents a T2 female thread) or a digital SLR (with special T2 ring).

  11. $25.50 USD
    specialorder
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    PrimaluceLab: These WiFi antennas can be connected to the EAGLE control units, by using the sma connectors that are present on the EAGLE chassis. These antennas are included in the EAGLE's box and they provide 2 dBi gain. Compatible with all the EAGLE models, 2 antennas included in every set.

  12. $66.30 USD
    specialorder
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    PrimaluceLab: This GPS antenna is included with every EAGLE4, EAGLE4 S and EAGLE4 PRO. This GPS antenna is not compatible with other and/or previous versions of the EAGLE control units.

  13. $9.18 USD
    specialorder
    Scheduled Delivery

    PrimaluceLab: 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.

  14. $9.18 USD
    specialorder
    Scheduled Delivery

    PrimaluceLab: This black 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.

  15. $9.18 USD
    specialorder
    Scheduled Delivery

    PrimaluceLab: 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.

  16. $9.18 USD
    specialorder
    Scheduled Delivery

    PrimaluceLab: This green 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.

  17. $9.18 USD
    specialorder
    Scheduled Delivery

    PrimaluceLab: This gray 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.

  18. $9.18 USD
    specialorder
    Scheduled Delivery

    PrimaluceLab: This yellow 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.

  19. $16.32 USD
    specialorder
    Scheduled Delivery

    PrimaluceLab: Black color bushing long for SESTO SENSO 2 adapters

  20. $19.38 USD
    specialorder
    Scheduled Delivery

    PrimaluceLab: Flexible bushing for SESTO SENSO 2

  21. $127.50 USD
    1 in stock specialorder
    Scheduled Delivery

    PrimaluceLab: Adapter ESATTO 3" for GSO/Orion/TPO Ritchey-Chretien 10, 12, 14 and 16 inches

  22. $117.30 USD
    1 in stock specialorder
    Scheduled Delivery

    PrimaluceLab: Adapter ESATTO 3" for Takahashi telescopes with M72 thread

  23. $606.90 USD
    specialorder
    Scheduled Delivery

    PrimaluceLab: This adapter allows you so use the ESATTO 2" robotic microfocuser with the Borg 55mm fluorite lens and 7880 reducer to create the Borg 55FL f3.6 astrograph. This set is composed by 5 rings and adapters and, in order to complete the Borg 55FL f3.6 astrograph, you have to add the Borg 2555 55FL lens, Borg 7880 0,8x reducer for 55FL and Borg 7352 rotator.

  24. $70.38 USD
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    PrimaluceLab: Adapter from M81 to M72 female for ESATTO 3"

  25. $260.10 USD
    1 in stock specialorder
    Scheduled Delivery

    PrimaluceLab: Adapter ESATTO 3" for SkyWatcher ESPRIT 120 ED and 150 ED

  26. $147.90 USD
    specialorder
    Scheduled Delivery

    PrimaluceLab: 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. Based on the camera and accessories train you want to connect, you may need extenders to reach the focus with your camera.

  27. $96.90 USD
    1 in stock specialorder
    Scheduled Delivery

    PrimaluceLab: Adapter from M81 to M68 with stop ring for ESATTO 3"

  28. $96.90 USD
    specialorder
    Scheduled Delivery

    PrimaluceLab: Adapter ESATTO 3" for Takahashi FSQ85

  29. $96.90 USD
    specialorder
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    PrimaluceLab: Adapter from M81 to M72 with stop ring for ESATTO 3"

  30. $96.90 USD
    1 in stock specialorder
    Scheduled Delivery

    PrimaluceLab: Adapter from M81 to M54 with stop ring for ESATTO 3"

  31. $96.90 USD
    specialorder
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    PrimaluceLab: Adapter from M81 to M48 with stop ring for ESATTO 3"

  32. $96.90 USD
    1 in stock specialorder
    Scheduled Delivery

    PrimaluceLab: Adapter from M81 to T2 with stop ring for ESATTO 3"

  33. $127.50 USD
    1 in stock specialorder
    Scheduled Delivery

    PrimaluceLab: 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 coupling system with 3 screws set at 120° allows you to manually rotate the focuser.
    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 coupling system with 3 screws set at 120° allows you to manually rotate the focuser.

  34. $60.18 USD
    specialorder
    Scheduled Delivery

    PrimaluceLab: 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.

  35. $45.90 USD
    specialorder
    Scheduled Delivery

    PrimaluceLab: 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.

    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.

  36. $260.10 USD
    specialorder
    Scheduled Delivery

    PrimaluceLab: Adapter ESATTO 3" for SkyWatcher ESPRIT 100 ED

  37. $86.70 USD
    specialorder
    Scheduled Delivery

    PrimaluceLab: Adapter from M81 to M68 female for ESATTO 3"
    Adapter from M81 to M68 female for ESATTO 3" allows you to connect any camera or accessory with M68 male thread. Just thread this adapter to the M81 thread of the ESATTO 3" draw tube.
    Optical length of adapter from M81 to M68 female for ESATTO 3" is 5mm.

  38. $300.90 USD
    specialorder
    Scheduled Delivery

    PrimaluceLab: Adapter ESATTO 3" for Meade 16 inches with 4” thread allows you to connect ESATTO 3" to Meade LX200 SCT, LX200 GPS, LX200-ACF, LX600-ACF, LX800-ACF, LX850-ACF 16 inches telescopes or to all the telescopes that have 4-inch male thread

  39. $300.90 USD
    1 in stock specialorder
    Scheduled Delivery

    PrimaluceLab: Adapter ESATTO 3" for Takahashi TSA 120

  40. $168.30 USD
    specialorder
    Scheduled Delivery

    PrimaluceLab: 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.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.

  41. $158.10 USD
    specialorder
    Scheduled Delivery

    PrimaluceLab: This 37mm adapter allow you to install SESTO SENSO on focusers that come with 37mm diameter large shaft, like the 3,5" FeatherTouch and FSQ-130 (or other focusers with 37mm diameter large shaft). SESTO SENSO as standard connects to focusers that comes with 25mm diameter shaft (that are the most of the focusers on the market): in order to connect it to focusers that comes with 37mm diameter large shaft, you need to add this adapter.

  42. $107.10 USD
    specialorder
    Scheduled Delivery

    PrimaluceLab: The M110 35mm extension tube can be directly threaded to the ESATTO 4" draw tube and allows you to fix camera and accessories further away from the ESATTO microfocuser. This M110 extension tube has 35mm thickness, it's made up of aluminum, black anodized and it has a M110 female on the camera side this way you can connect all the ESATTO 4" camera adapters.

  43. $239.70 USD
    specialorder
    Scheduled Delivery

    PrimaluceLab: Adapter ESATTO 4" for Officina Stellare ProRC, RiDK, RiFAst

  44. $300.90 USD
    specialorder
    Scheduled Delivery

    PrimaluceLab: Adapter ESATTO 3,5” LP for OfficinaStellare Veloce RH300

  45. $96.90 USD
    specialorder
    Scheduled Delivery

    PrimaluceLab: Adapter ESATTO 3,5” LP for telescopes with large 3.3" SC thread

  46. $127.50 USD
    specialorder
    Scheduled Delivery

    PrimaluceLab: Adapter from M98 to M68 with stop ring for ESATTO 3,5” LP

  47. $198.90 USD
    specialorder
    Scheduled Delivery

    PrimaluceLab: Adapter ESATTO 3,5” LP for OfficinaStellare Veloce RH200

  48. $96.90 USD
    specialorder
    Scheduled Delivery

    PrimaluceLab: Adapter ESATTO 3,5" LP for telescopes with SC thread

  49. $107.10 USD
    specialorder
    Scheduled Delivery

    PrimaluceLab: M110 10mm extension tube for ESATTO 4"
    Adapter from M110 to M92 female for ESATTO 4" converts M110x1 thread of the ESATTO 4" draw tube into a M92x1 female thread that is the same of the Takahashi original focuser. This way you can connect to ESATTO 4" the Takahashi photographic adapters.

  50. $198.90 USD
    specialorder
    Scheduled Delivery

    PrimaluceLab: Adapter ESATTO 4" for Takahashi TOA130

  51. $49.98 USD
    specialorder
    Scheduled Delivery

    PrimaluceLab: 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.
    ARCO 2" rotator connected to a focuser by adding the optional PL3600413 2" nosepiece for ARCO 2" and controlled from SESTO SENSO 2 robotic focusing motor.

  52. $49.98 USD
    specialorder
    Scheduled Delivery

    PrimaluceLab: 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.
    ARCO 2" rotator connected to a focuser by adding the optional PL3600413 2" nosepiece for ARCO 2" and controlled from SESTO SENSO 2 robotic focusing motor.

  53. $9.18 USD
    specialorder
    Scheduled Delivery

    PrimaluceLab: ARCO rotator port cable - 220mm long

  54. $12.24 USD
    specialorder
    Scheduled Delivery

    PrimaluceLab: ARCO rotator port cable - 690mm long

  55. $49.98 USD
    specialorder
    Scheduled Delivery

    PrimaluceLab: M56x1 male adapter for ARCO 2"

  56. $504.90 USD
    specialorder
    Scheduled Delivery

    PrimaluceLab: ALTO-3L adapter for OS RiDK 400

  57. $86.70 USD
    specialorder
    Scheduled Delivery

    PrimaluceLab: 2” visual back for ESATTO 3” and ARCO 3” 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 perfect fit, even for heavy cameras or accessories.

  58. $86.70 USD
    specialorder
    Scheduled Delivery

    PrimaluceLab: 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.
    Optical length of the 3" visual back for ESATTO 3" and ARCO 3" is 12,5mm.

  59. $96.90 USD
    specialorder
    Scheduled Delivery

    PrimaluceLab: 3" visual back for ESATTO 3,5” LP

  60. $810.90 USD
    specialorder
    Scheduled Delivery

    PrimaluceLab: 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, you can control rotation also of heavy cameras and large research instruments.

    Connect ARCO to ESATTO or SESTO SENSO 2 by using the special port and you won't need other USB or 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" is the robotic ARCsecond resolution rOtator, with low-profile and high load capacity, specifically designed to work with ESATTO or SESTO SENSO 2. ARCO allows you to rotate the camera without touching the telescope and with the incredible resolution of 1 arcsecond per step, by connecting it with a short cable to ESATTO or SESTO SENSO 2. Thanks to the special design, you can rotate even heavy cameras and accessories, without flexures, and control ARCO from EAGLE, any Windows computer or via WiFi from a smartphone or tablet! ARCO will be available later this year.

    Connect ARCO 2" to ESATTO or SESTO SENSO 2 by using the special port and you won't need other USB or power cables. With ARCO, you can remotely control rotation angle of your camera with an incredible resolution of 1 arcsecond per step!
    You can connect ARCO 2" to ESATTO 2" and 3" microfocusers (for example by adding the PL3600412 Adapter ESATTO 2" for ARCO 2") and power and control it with the ARCO cable that comes in the box. If you have SESTO SENSO 2 connected to an external focuser, you add the optional PL3600413 2" nosepiece for ARCO 2" to connect ARCO 2" to your focuser.

    ARCO 2" rotator connected to a focuser by adding the optional PL3600413 2" nosepiece for ARCO 2" and controlled from SESTO SENSO 2 robotic focusing motor.

    Dimensions in millimiters of the ARCO 2" robotic rotator: all the mechanical and electrical parts are included in the aluminum case without protruding parts in order to avoid touching of camera, accessories or telescope. ARCO 2" case thickness is 19.7mm and, by adding the adapter to connect to ESATTO or the one to connect to 2" focuser, total thickness is 21mm.

    Please note: in order to be used, ARCO rotator has to be connected to ESATTO microfocuser or SESTO SENSO 2 focusing motor. ARCO is not designed as a stand alone unit.

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