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IMPORTANT: Our store is located in Canada. All orders that include products manufactured outside of Canada or USA will be subject to tariffs and duties, regardless of the order value. US customers are responsible for all applicable duties and tariffs, and those will be billed by the carrier, except for the Lacerta upgrade kit, for which we collect them at checkout.
IMPORTANT: Our store is located in Canada. All orders that include products manufactured outside of Canada or USA will be subject to tariffs and duties, regardless of the order value. US customers are responsible for all applicable duties and tariffs, and those will be billed by the carrier, except for the Lacerta upgrade kit, for which we collect them at checkout.
Player One M54M-M48M 2MM Adapter

Player One M54M-M48M Adapter - 2mm

par Player One
UGC POA-M54M-M48M-2
$19.00 - $19.00
$19.00
$19.00 - $19.00
$19.00
Égalisation de prix!
  • Converts M54x0.75 Male Threads to M48x0.75 Male Threads
  • Adds a Fixed 2mm of Optical Path Length
  • Male-to-Male Design for Connecting Female-Threaded Components
  • Standard 0.75mm Astronomical Thread Pitch
  • Black Anodized Finish to Minimize Reflections
2 en stock
Admissible à la livraison GRATUITE aux USA pour les commandes de plus de 350$.
  • Description
  • FAQ
  • Specifications
  • In the Box
  • Warranty

  • M54M-M48M 2MM Adapter

    The M54M-M48M 2MM Adapter is a specialized component designed to solve a common connection and spacing problem in complex imaging trains. It converts a male M54x0.75 thread to a male M48x0.75 thread while adding exactly 2mm of optical path length, allowing you to achieve precise back focus with components that would otherwise be incompatible.

    Precise 2mm Spacing for M54 to M48 Conversion

    This adapter is engineered for a specific scenario: connecting two components that both feature female threads, such as an M54 threaded focuser or flattener to an M48 threaded filter wheel or camera assembly. By providing male threads on both sides, it bridges the gap securely. Its most critical function is adding a non-negotiable 2mm of spacing, making it an essential tool for hitting the exact back focus distance required by your field flattener or reducer.

  • What is the primary use for the M54M-M48M 2MM Adapter?

    The primary use for the M54M-M48M 2MM Adapter is to connect a component with a female M54 thread to another component with a female M48 thread. It simultaneously adds a fixed 2mm of optical path length, which is critical for achieving the precise back focus required by many optical correctors.

    My flattener has an M54 female output and needs 55mm of back focus. My camera with filter wheel has an M48 female input and sits at 53mm. Will this adapter work?

    Yes, this is the perfect application for this adapter. It will bridge the M54 and M48 female threads and add the exact 2mm of spacing needed to bring your total back focus from 53mm to the required 55mm.

    What does 'M54M-M48M' mean in the M54M-M48M 2MM Adapter's name?

    The designation "M54M-M48M" indicates the adapter's thread configuration:

    • M54M: Refers to a Male M54x0.75mm thread on one side.
    • M48M: Refers to a Male M48x0.75mm thread on the other side.

    I have a focuser with an M54 female thread and need to attach my M48 T-ring. Why use this M54M-M48M 2MM Adapter?

    A standard T-ring typically has female M48 threads. If your focuser also has female M54 threads, you need a male-to-male adapter like this one to connect them. A standard step-down ring is usually female-to-male or male-to-female and would not work. This adapter solves that specific connection issue while also providing a fixed 2mm of spacing.

    Is the thread pitch on the M54M-M48M 2MM Adapter standard for astronomy?

    Yes, both the M54 and M48 threads use the standard 0.75mm pitch. This is the most common thread pitch for astronomical accessories like field flatteners, reducers, off-axis guiders, and camera T-rings, ensuring wide compatibility.

    What is the M54M-M48M 2MM Adapter made of?

    This adapter is machined from black-anodized aluminum. This construction ensures it is lightweight yet durable, provides a secure threaded connection, and minimizes internal reflections that could reduce the contrast of your images.

  • Adapter Type Male-to-Male Thread Adapter
    Input Thread M54x0.75 Male
    Output Thread M48x0.75 Male
    Optical Path Length 2mm

    • M54M-M48M 2MM Adapter

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  • Player One 2-Year Warranty