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Pegasus Astro Adapter M68 Male to M63 Female (For Ricardi M63 Reducer & WO Reducers with M63 thread)

Pegasus Astro Adapter M68 Male to M63 Female (For Riccardi M63 Reducer & WO Reducers with M63 thread)

par Pegasus Astro
UGC PEG-ADAPT-M68M-M63F
CA$39.00 - CA$39.00
CA$39.00
CA$39.00 - CA$39.00
CA$39.00
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  • Connects M68 threaded focusers to M63 threaded reducers
  • Male Thread: M68 with 1.0mm pitch and 4mm length
  • Female Thread: M63 with 1.0mm pitch
  • Engineered for Riccardi and William Optics M63 Reducers
  • Maintains precise optical alignment
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  • Description
  • FAQ
  • Specifications
  • In the Box
  • Warranty

  • Adapter M68 Male to M63 Female (For Riccardi M63 Reducer & WO Reducers with M63 thread)

    This precision-machined Adapter M68 Male to M63 Female provides the critical connection between your M68 threaded focuser and popular M63 threaded field flatteners or reducers. The male M68 thread has a 1.0mm pitch and a 4mm length, while the internal female thread is M63 with a matching 1.0mm pitch, ensuring a secure, non-flexing fit for your imaging train.

    M68 Male to M63 Female: Secure Your Imaging Train

    This adapter solves a common connection problem for imagers using high-end focusers and specific reducers. It allows you to directly thread components like the Riccardi M63 Reducer or William Optics reducers with an M63 thread onto any focuser or accessory that terminates in a standard M68 male thread. This creates a rigid, threaded connection that is superior to compression fittings for preventing tilt and maintaining optical alignment.

    Precision Machining with a 1.0mm Pitch

    Both the external M68 and internal M63 threads are cut with a fine 1.0mm pitch. This ensures a tight, secure engagement between your components with minimal risk of loosening during an imaging session. The male M68 thread has a physical length of 4mm, providing sufficient engagement without bottoming out in most focusers.

  • What is the main purpose of this Adapter M68 Male to M63 Female?

    Its primary function is to allow you to connect an accessory with a female M63x1.0 thread, such as a Riccardi or William Optics reducer, to a focuser or extension tube that has a female M68x1.0 thread. It bridges this specific size gap securely.

    How do I confirm this adapter fits my specific William Optics reducer?

    You must verify that your William Optics reducer has a female M63x1.0 thread for attaching to the telescope. Check the reducer's documentation or measure the thread diameter. This adapter is specifically designed for that M63 thread size.

    Will this M68 to M63 adapter add significant length to my imaging train?

    No, this is a low-profile adapter. While the exact optical length is not specified, its design is intended to add minimal back focus, typically only a few millimeters, to the optical path.

    Is the thread pitch on this M68 to M63 adapter standard?

    Yes, the 1.0mm pitch is a common standard for M68 and M63 threads in astronomical equipment, ensuring compatibility with a wide range of focusers and accessories from various manufacturers.

    Can I use this Adapter M68 Male to M63 Female with my Sky-Watcher Esprit refractor's focuser?

    Many Sky-Watcher Esprit models feature an M68 female thread on the drawtube. If your model has this thread, this adapter will allow you to connect an M63 reducer directly to it, creating a fully threaded imaging train.

    Why is a threaded connection with this M68 adapter better than a 2" nosepiece?

    A threaded connection prevents any potential for tilt or sag that can occur with slip-fit or compression ring adapters, especially with heavier cameras or filter wheels. This ensures your reducer and camera are perfectly orthogonal to the optical axis, which is critical for sharp stars across the entire field.

  • Male Thread M68 x 1.0mm Pitch
    Male Thread Length 4 mm
    Female Thread M63 x 1.0mm Pitch

    • Adapter M68 Male to M63 Female

      × 1

  • Pegasus Astro 2-Year Warranty