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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.
Orion Optics UK Losmandy Attachment Plate 400mm Long
Orion Optics UK Losmandy Attachment Plate 400mm Long
Orion Optics UK Losmandy Attachment Plate 400mm Long
Orion Optics UK Losmandy Attachment Plate 400mm Long
Orion Optics UK Losmandy Attachment Plate 400mm Long
Orion Optics UK Losmandy Attachment Plate 400mm Long
Orion Optics UK Losmandy Attachment Plate 400mm Long

Orion Optics UK Losmandy Attachment Plate 400mm Long

par Orion Optics UK
UGC OOUK-AG14-LOSMANDY-ATTACHMENT-PLATE-400MM
$275.75 - $275.75
$275.75
$305.75
$305.75 - $305.75
$305.75
Égalisation de prix!
  • 400mm Dovetail Plate
  • Losmandy D-Style Profile
  • Solid Aero-Grade Aluminum Construction
  • Mounts CT and AG Telescopes
  • Compatible with Losmandy & Paramount Mounts
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  • Description
  • FAQ
  • Specifications
  • In the Box
  • Warranty

  • Losmandy Attachment Plate 400mm Long

    The Losmandy attachment plate provides a rigid, 400mm long mounting solution for securely coupling your telescope to a high-capacity mount. Machined from a single block of aero-grade aluminum, this plate creates a zero-flexure connection ideal for telescopes with apertures around 400mm, ensuring your optical tube remains perfectly aligned with the mount's saddle.

    Secure Mounting for 400mm OTAs on Losmandy/Paramount Mounts

    This 400mm plate is engineered specifically for the Losmandy D-style dovetail standard, ensuring a perfect fit with Losmandy and Paramount mount saddles. It serves as the critical interface between your optical tube and mount, providing a wide, stable base that prevents twisting and slippage during tracking.

    For optimal stability, the recommended plate length corresponds to the telescope's aperture. This 400mm plate is the ideal match for larger CT and AG astrographs, providing ample support along the tube to eliminate mechanical flexure that can ruin long exposures.

    A 400mm Foundation: Machined from Solid Aero-Grade Aluminum

    Unlike cast or extruded dovetail bars, this 400mm attachment plate is CNC machined from a solid billet of aero-grade aluminum. This process results in a component with superior strength and rigidity, free from the internal stresses that can cause warping with temperature changes.

    This robust construction is essential for astrophotography, where even microscopic flexure can lead to elongated stars. The plate forms an unyielding foundation for your entire imaging train, including heavy cameras, filter wheels, and guide scopes attached via CNC tube rings.

  • Which mounts is the Losmandy attachment plate 400mm long compatible with?

    This plate is designed with a Losmandy D-style profile, making it directly compatible with any mount that uses a Losmandy-D saddle plate. This includes all Losmandy mounts and Software Bisque Paramount-series mounts.

    What size telescope is the 400mm Losmandy attachment plate intended for?

    The general recommendation is to match the dovetail plate length to the aperture of your telescope. Therefore, this 400mm plate is the ideal choice for telescopes with an aperture of or near 400mm (approximately 16 inches), such as large Newtonian astrographs or Cassegrains.

    Can I mount my 12" (300mm) Newtonian on this 400mm Losmandy plate?

    Yes, you can. While a slightly shorter plate might be a closer match based on the "aperture equals length" rule, using this 400mm plate will provide extra length for balancing heavy accessory loads. It ensures your tube rings have a wide, stable stance, which is always beneficial for imaging stability.

    How do I attach a guide scope using the Losmandy attachment plate 400mm?

    This plate serves as the primary connection to the mount. To attach a guide scope, you would typically mount it to the top of your main telescope's CNC tube rings. Some setups may involve a secondary dovetail bar (sold separately) attached to the top of the rings, to which the guide scope is then clamped.

    Is the Losmandy attachment plate 400mm made from cast or machined aluminum?

    It is machined from a solid billet of aero-grade aluminum. This method is superior to casting, as it produces a stronger, more rigid, and dimensionally stable part that will not introduce flexure into your imaging setup.

    Can I use this 400mm Losmandy plate to attach my scope to a Vixen-style mount like an HEQ5?

    No, not directly. This plate has a wider Losmandy D-style profile. Vixen-style mounts like the Sky-Watcher HEQ5 use a narrower V-style saddle. You would need a different dovetail plate with a Vixen profile or a hybrid saddle on your mount that accepts both standards.

  • Model AG14
    Length 400mm
    Dovetail Profile Losmandy D-Style
    Material Solid Aero-Grade Aluminum, CNC Machined
    Primary Compatibility Losmandy and Paramount Mounts
    Recommended Telescope Type Orion Optics UK CT and AG models

    • Losmandy Attachment Plate 400mm

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  • Orion Optics UK 1-Year Warranty