Adapters

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  1. Astrodon - 1.25'' Eyepiece Extender

    $28.00
    SKU: ADO-MOAG-EYE

    Wait Time is 3-5 Days

    This eyepiece extension is designed to work with all Astrodon Manual Off-Axis Guiders, or MOAG's.

  2. Optec - AP2.7 knurled female threaded retaining ring, 1/10" thick.

    $15.00
    SKU: OPT-19888

    Wait Time is 3-5 Days

    AP2.7 Retaining RingOverall Height: 0.10" (2.5mm)Outside Diameter: 3.0" (88.9mm)Clear Aperture: 2.69" (68 mm)Weight: 0
  3. Starlight Instruments - Riser, 2.0 " Diameter, adds 3.75 " to Height

    $85.00
    SKU: STA-R20-3.75

    Wait Time is 3-5 Days

    Risers attach to the base of a focuser to 'lift' the entire focuser. Unless otherwise noted, the end of the riser which attaches to the OTA will be the same thread and diameter as the original focuser body.

  4. Starlight Instruments - Riser, 2.0 " Diameter, adds 0.65 " to Height

    $60.00
    SKU: STA-R20-0.65

    Wait Time is 3-5 Days

    Riser, 2.0" Diameter, adds 0.65" to HeightRisers attach to the base of a focuser to 'lift' the entire focuser
  5. Starlight Instruments - Riser, 2.0 " Diameter, adds 1.0 " to Height

    $65.00
    SKU: STA-R20-1.0

    Wait Time is 3-5 Days

    Risers attach to the base of a focuser to 'lift' the entire focuser. Unless otherwise noted, the end of the riser which attaches to the OTA will be the same thread and diameter as the original focuser body.

  6. Starlight Instruments - Riser, 2.0 " Diameter, adds 1.4 " to Height

    $65.00
    SKU: STA-R20-1.4

    Wait Time is 3-5 Days

    Risers attach to the base of a focuser to 'lift' the entire focuser. Unless otherwise noted, the end of the riser which attaches to the OTA will be the same thread and diameter as the original focuser body.

  7. Starlight Instruments - Riser, 2.0 " Diamter, adds 2.75 " to Height

    $75.00
    SKU: STA-R20-2.75

    Wait Time is 3-5 Days

    Risers attach to the base of a focuser to 'lift' the entire focuser. Unless otherwise noted, the end of the riser which attaches to the OTA will be the same thread and diameter as the original focuser body.

  8. Vixen - Extension Tube R200SS

    Regular Price: $15.95

    You Pay: $13.56

    SKU: VIX-2961

    In stock

    Adds 20mm of length to the R200SS Optical tube and allows attachment of a 42mm T thread to 43mm accessory. This is customarily used with optional item number 3523 for eyepiece projection photography.

  9. Orion - 1.25" Standard Tele-Extender

    $29.99
    SKU: ORI-05125

    Wait Time is 3-5 Days

    Orion tele-extenders permit high-magnification "eyepiece projection" photography of the Moon and planets with a Schmidt-Cassegrain telescope. Orion tele-extenders are designed to fit all Celestron and Meade Schmidt-Cassegrain telescopes.

  10. Explore Scientific - Rack and Pinion Focuser 1" Extension Tube

    $22.99
    SKU: EXP-ESRPEXT1

    Wait Time is 3-5 Days

    1" Extension tube for Explore Scientific Rack and Pinion focusers.

  11. Explore Scientific - Rack and Pinion Focuser 2" Extension Tube

    $26.99
    SKU: EXP-ESRPEXT2

    Wait Time is 3-5 Days

    2" Extension tube for Explore Scientific Rack and Pinion focusers.

  12. Takahashi - f/8 Visual Extension Tube

    $52.00
    SKU: TAK-TKP00106

    Wait Time is 3-5 Days

  13. Astro-Physics - 8" Extension for 6" Eagle Pier

    $350.00
    SKU: ASP-EAGLE6E8

    Wait Time is 3-5 Days

    Please Note: We cannot ship Astro-Physics products to customers in Germany, Switzerland, Austria, France and Japan.

  14. Starlight Xpress - AO- OAG Autoguider Extension Tube

    $45.00
    SKU: STX-SX-AO/OAG-EXT

    In Stock

  15. Optec - AP2.7 x 24tpi Extension Tube, 3" length.

    $40.00
    SKU: OPT-19886

    Wait Time is 3-5 Days

    AP2.7 Extension - 3" LengthOverall Height: 3.38" (85.8mm)Clear Aperture: 2.52" (64mm)Weight: 8.2 oz (230 g)Back-focus Usage: 3.00" (76
  16. Optec - AP2.7 x 24tpi Extension Tube, 1-1/2" length.

    $30.00
    SKU: OPT-19885

    Wait Time is 3-5 Days

    AP2.7 Extension - 1-1/2" LengthOverall Height: 1.87"  (47.5mm)Clear Aperture: 2.52" (64mm)Weight: 2.4 oz (70 g)Back-focus Usage: 1.50" (38
  17. JMI - Extension Tube 1.25 " dia. x 1.6 " ht

    $55.00
    SKU: JMI-ADPT1EXT

    This Item Will Be Available in 3-6 Weeks

    Extends the range of low-profile focusers. 1.25″ diameter x 1
  18. JMI - Extension Tube 2 " dia. x 1.5 " ht

    $59.00
    SKU: JMI-ADPT2EXT

    This Item Will Be Available in 3-6 Weeks

    Extends the range of low-profile focusers. 2″ diameter x 1
  19. iOptron - iEQ45 Extension Bar

    $68.00
    SKU: IOP-8026

    Wait Time is 3-5 Days

    This is the extension bar for the iEQ45. This attaches to the original bar and will create more counterbalance weight. The original counterweight also attaches to this extension bar.

  20. JMI - Extension Tube 2 " dia. x 2.5 " ht

    $69.00
    SKU: JMI-ADPT2EXTL

    This Item Will Be Available in 3-6 Weeks

    Extends the range of low-profile focusers. 2″ diameter x 2
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