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Extension Tubes

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  1. Optec - AP2.7 x 24tpi Extension Tube Set, 5-piece.

    Optec - AP2.7 x 24tpi Extension Tube Set, 5-piece.

    Includes ½”, ¾”, 1”, 1- ½”, and 3” extensions (#19891 through #19895)AP2 ... Learn More
    Model#: 19881
    $150.00

  2. 19800

    Optec - AP2.7 x 24tpi Extension Tube Set, 4-piece.

    Provides ¼” incremental extensions from ½” to 3-¼” Includes ½”, ¾”, 1”, and 1- ½” extensions (#19891 through #19894)AP2 ... Learn More
    Model#: 19880
    $115.00

  3. Optec - 2-" to 3"x 24 tpi male threaded mount.

    Optec - 2-" to 3"x 24 tpi male threaded mount.

    The 2-inch to 3-inch thread adapter was developed to easily adapt the Apogee and SBIG cameras and filters wheels for the TCF-S focuser.By holding tight tolerances (+/- 0.003") Optec has achieved a slip-fit that is second-to-none ... Learn More
    Model#: 17666
    $95.00

  4. Meade - APO Focuser-Sleeve Extension Tube

    Meade - APO Focuser-Sleeve Extension Tube

    Meade APO Focuser-Sleeve Extension Tube (50mm) 07364 can allow telescope with focus travel limitations to be used in terrestial observing ... Learn More
    Model#: 07364
    $50.00

  5. Baader Planetarium - Spacer Tube 39mm for 3" RT Steeltrack, with 4" Dovetail

    Baader Planetarium - Spacer Tube 39mm for 3" RT Steeltrack, with 4" Dovetail

    The 3" RT Spacer allows changing back-focus by providing quick connect/disconnect spacing of the 3" RT Steeltrack Focuser (39mm spacing length).4" External Dovetail on one side for attachment of 3" RT Steeltrack Focuser ... Learn More
    Model#: FOC-SPCR
    $69.00

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