Open Box Bobs Knobs Collimation Knobs for Orion SkyQuest XT - 25mm

Brand: Bob's Knobs

SKU : BS-CNSEC25-OPEN

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Product Details

  • Knobs for Orion's SkyQuest XT-Series (6", 8", 10", 12",  and 16") 4-Vane Phillips Screw Secondary - 25mm Long.

    Fits: Orion SkyQuest XT-series with factory 25 mm long Phillips secondary collimation screws. This configuration is not as common as the set-screw secondary.

    Secondary Characteristics: 4-vane spider, a deeply recessed center screw, and factory Phillips collimation screws. The secondary plate holding the screws is about 20 mm (3/4") thick.

    Knobs: Black plastic, 13 mm (1/2") diameter

    Threads: Stainless steel

    Notes: The factory collimation screw length, measured below the head, can be either 25 mm or 32 to 35 mm long. Order knobs with the correct screw length for your application.

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