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Focusers

    • The product FLI - Six position CFW holding up to 79mm diameter filters has been added to comparison list.
    • The product FLI - Atlas Digital Focuser has been added to comparison list.

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  1. ASA - OK3 Focuser

    ASA - OK3 Focuser

    This focuser is a standard with all ASA-Astrographs but can also be purchased as stand- alone for other telescopes.

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    Model#: ASAOK3
    $1,345.50

  2. ASA - OK3-Z Electric Focuser

    ASA - OK3-Z Electric Focuser

    ASA Astrosysteme has just completed tests and has released its newest electric focuser for heavy payloads and image trains over 6kg payload (tested up to 20kg). The OK3-Z comes with an internal gear rack which greatly improves stability and repeatability of focus positions (crucial for remote operations).

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    Model#: ASAOK3-Z
    $1,612.00

  3. AstroSystems - Feathertouch Focuser

    AstroSystems - Feathertouch Focuser

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    FREE SHIPPING
    (excludes AK & HI)
    Model#: TK-feathertouch
    $269.00

  4. AstroSystems - Feathertouch focuser (TeleKit SFL accessory)

    AstroSystems - Feathertouch focuser (TeleKit SFL accessory)

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    FREE SHIPPING
    (excludes AK & HI)
    Model#: FeathertouchfocuserSFL
    $200.00

  5. Baader Planetarium - 2" NT Steeltrack Crayford focuser

    Baader Planetarium - 2" NT Steeltrack Crayford focuser

    2" Newtonian Low-Profile Steeltrack®Upgrade practically any Newtonian, small or large, with all of the smoothness, precision, and features of Baader Planetarium's 2" Newtonian Low-Profile Steeltrack Focuser. Low Profile ... Learn More
    FREE SHIPPING
    (excludes AK & HI)
    Model#: FOC-NT
    $294.00

  6. FOC-RT2

    Baader Planetarium - 2" RT Steeltrack Crayford focuser with 2" / 1.25" Reducer

    2" Refractor Steeltrack®Baader Planetarium's 2" Refractor Steeltrack Focuser gives refractors a full 3.1" (80mm) of velvety smooth focusing travel. Easily adaptable to popular refractors ... Learn More
    FREE SHIPPING
    (excludes AK & HI)
    Model#: FOC-RT2
    $319.00

  7. FOC-SC

    Baader Planetarium - 2" SC Steeltrack Crayford focuser incl. Adapters (#2957036 and 2957037) for SC thread 2"/3,3" and M58

    2" SC Steeltrack®The Baader 2" SC Steeltrack Focuser enables Schmidt Cassegrains to deliver ultra-smooth focusing with zero image shift. Fits Schmidt Cassegrains from 6" to 14" ... Learn More
    FREE SHIPPING
    (excludes AK & HI)
    Model#: FOC-SC
    $327.00

  8. Baader Planetarium - 3" Focuser Steeltrack Hyperion for Refractor 130mm travel

    Baader Planetarium - 3" Focuser Steeltrack Hyperion for Refractor 130mm travel

    3" Refractor Steeltrack®Baader Planetarium's Giant 3" Refractor Steeltrack Focuser gives large refractor owners the same ultra-smooth focusing and robustness as their 2" focusers, but in an oversized 3" format ... Learn More
    FREE SHIPPING
    (excludes AK & HI)
    Model#: FOC-RT3
    $467.00

  9. FLI - Atlas Digital Focuser

    FLI - Atlas Digital Focuser

    Atlas Large Payload FocuserMaximum Payload: 25lbsPayload at 6" Distance: 10lbs Minimum Travel: 0.35" Resolution per Step: 150nm/step Weight: 3lbs PC Interface: USB 2 ... Learn More
    FREE SHIPPING
    (excludes AK & HI)
    Model#: Atlas
    $2,295.00

  10. FLI - Digital Focuser (50mm Aperture)

    FLI - Digital Focuser (50mm Aperture)

    DF-2 SpecificationsMinimum Travel: 0.20" Number of Steps: 2000 Resolution per Step: 1.25 micron Clear Aperture: 50 mm Weight: 2.0lbs PC Interface: USB 2.0 Telescope Side Threads: 2 ... Learn More
    FREE SHIPPING
    (excludes AK & HI)
    Model#: DF-2
    $995.00

  11. FLI - Precision Digital Focuser (85mm Aperture)

    FLI - Precision Digital Focuser (85mm Aperture)

    Precision Digital FocuserMinimum Travel: 0.35" Number of Steps: 7000 Resolution per Step: 1.25 micron Clear Aperture: 89 mm Weight: 2.4lbs PC Interface: USB 2.0 Telescope Side Threads: 3 ... Learn More
    FREE SHIPPING
    (excludes AK & HI)
    Model#: PDF
    $1,450.00

  12. JMI - Cassegrain Base for EV Focusers

    JMI - Cassegrain Base for EV Focusers

    Base for EV Focuser with 2 inch Cassegrain Thread ... Learn More
    Model#: EV-BASC
    $44.00

  13. JMI - Digital Focus Counter for Celestron SCTs

    JMI - Digital Focus Counter for Celestron SCTs

    DFC for Celestron SCTsCelestron early C5 (dual fork arm), C5 / C5+ (single fork arm), C5-S, C5-SGT, C8, C8+, C8-S, C8-SGT, C11, C14, Celestar 8, Celestar 8 Deluxe, CG-11, CG-14, CGE 1100, CGE 1400, Classic 8, CM-1100, CM-1400, Fastar 8, G-5, G-8, Great ... Learn More
    Model#: DFCC
    $111.00

  14. JMI - Digital Focus Counter for JMI Motofocus

    JMI - Digital Focus Counter for JMI Motofocus

    DFC for JMI MOTOFOCUS UpgradeUpgrades a MOTOFOCUS unit with a piggy-back DFC at the time of purchase (see exceptions below). (MOTOFOCUS units cannot be upgraded with DFC after purchase ... Learn More
    Model#: DFCMF
    $90.00

  15. JMI - Digital Focus Counter for Meade SCTs non-GPS

    JMI - Digital Focus Counter for Meade SCTs non-GPS

    DFC for Meade SCTsMeade 203SC, 2080, 2120, Gem mounted 2080 / 2120, Basic (2080 / 2120), LX2, LX3, LX5, LX6, LX10, LX50 7″ Maksutov / 8″ / 10″, LX90, LX100 8″ / 10″, LX200 7″ Maksutov / 8″, LX200 10″, LX2 ... Learn More
    Model#: DFCM
    $111.00

  16. JMI - Digital Read Out for JMI Motofocus

    JMI - Digital Read Out for JMI Motofocus

    DRO Encoder Assembly for JMI MOTOFOCUSUpgrades a MOTOFOCUS unit with a piggy-back DRO encoder assembly (see exceptions below). This is the portion attached to the MOTOFOCUS motor. A DRO Hand Unit or Smart Focus is also necessary for proper operation ... Learn More
    Model#: DROMF
    $117.00

  17. JMI - Digital Read Out for NGF-CM, NGF-55SM, NGF-55DM Focusers

    JMI - Digital Read Out for NGF-CM, NGF-55SM, NGF-55DM Focusers

    DRO Encoder Assembly for JMI NGF FocuserDigital Read Out for NGF-CM, NGF-55SM, NGF-55DM Focusers This is the portion of a DRO system that attaches to the NGF focuser (Specify the NGF focuser model) ... Learn More
    Model#: DRONGFC
    $90.00

  18. JMI - Digital Read Out for NGF-DX1/ -DX2/ -DX3/ -DX4 Focusers

    JMI - Digital Read Out for NGF-DX1/ -DX2/ -DX3/ -DX4 Focusers

    DRO Encoder Assembly for JMI NGF FocuserNGF-DX1/ -DX2/ -DX3/ -DX4 FocusersThis is the portion of a DRO system that attaches to the NGF focuser (Specify the NGF focuser model). A DRO Hand Unit or Smart Focus is also necessary for proper operation ... Learn More
    Model#: DRONGF
    $90.00

  19. JMI - Digital Read Out for NGF-S Focuser

    JMI - Digital Read Out for NGF-S Focuser

    DRO Encoder Assembly for JMI NGF FocuserDigital Read Out for NGF-S FocuserThis is the portion of a DRO system that attaches to the NGF focuser (Specify the NGF focuser model). A DRO Hand Unit or Smart Focus is also necessary for proper operation ... Learn More
    Model#: DRONGFS
    $90.00

  20. JMI - Digital Read Out for NGF-XT Focuser

    JMI - Digital Read Out for NGF-XT Focuser

    DRO Encoder Assembly for JMI NGF FocuserDigital Read Out for NGF-XT FocuserThis is the portion of a DRO system that attaches to the NGF focuser (Specify the NGF focuser model). A DRO Hand Unit or Smart Focus is also necessary for proper operation ... Learn More
    Model#: DRONGFXT
    $90.00

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