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    • Bore adapters

    Adapters with a plain, unthreaded opening for parts secured by a suitable retaining ring.

    Browse by bore diameter

    Choose the required bore diameter. Check the mounting shoulder, available thread length and retaining ring requirements in the product description.

    Use the Front Side and Rear Side filters in the product listing to narrow down both connections.

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    Bore Adapters: selection guide

    Securing the mounted part

    The bore itself has no thread or clamping screws. The mounted part needs a suitable retaining ring, as commonly used with lens shutters. Check the product description to see which parts are included.

    Adjusting orientation

    With the equipment supported, loosen the retaining ring, rotate the mounted part to the required orientation, then tighten the ring again.

    Browse all adapter types · Request a custom adapter