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Losmandy Attachment Plate - 450mm Long
The Losmandy attachment plate 450mm long provides a rigid, full-length mounting foundation for large aperture telescopes. Machined from a single block of aerospace-grade aluminum, this 450mm dovetail plate is the specified component for attaching Orion Optics UK CT and AG telescopes to Losmandy D-style and Paramount mounts.
Machined from a Solid 450mm Billet of Aerospace Aluminum
This 450mm dovetail plate is CNC machined from a single, solid plate of aerospace-grade aluminum, ensuring maximum rigidity and zero flexure. This robust construction is critical for maintaining pointing accuracy and preventing vibrations, especially when supporting the weight of large, heavy optical tube assemblies.
450mm Sizing: For Large Aperture CT & AG Telescopes
Engineered as the primary mounting interface for Orion Optics UK telescopes, this plate's 450mm length is recommended for optical tubes with a matching aperture size (approximately 18 inches). It creates a secure, stable connection between your telescope's CNC tube rings and the saddle of any Losmandy D-style or Paramount equatorial mount.
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What is the Losmandy attachment plate 450mm long used for?
This plate is designed to securely attach large Orion Optics UK telescopes, specifically the CT and AG models, to equatorial mounts that use the Losmandy D-style saddle plate. This includes mounts from Losmandy and Paramount.
Will this 450mm Losmandy plate fit my Orion Optics UK AG16 telescope on a Paramount mount?
Yes. The 450mm length is the recommended size for a telescope with an aperture of around 450mm (or 18 inches). Since the AG16 is a 16-inch instrument, this plate provides excellent stability and is fully compatible with the saddle on a Paramount mount.
Why is the 450mm Losmandy plate made from solid aluminum?
The plate is machined from a solid billet of aerospace-grade aluminum to eliminate any possibility of flexure or bending under the load of a heavy telescope. This rigidity is essential for stable imaging and precise GoTo slewing, as any flex in the mounting system can introduce pointing errors and vibration.
How do I know if the 450mm length is right for my telescope?
Orion Optics UK recommends choosing a Losmandy plate that has the same length as your telescope's aperture. This 450mm plate is therefore the ideal choice for instruments with an aperture of or close to 450mm (18 inches).
Can I use this Losmandy plate on a Vixen-style mount like a HEQ5?
No. This is a Losmandy D-style plate, which is wider than the Vixen V-style profile used by mounts like the Sky-Watcher HEQ5. You need a mount equipped with a wider D-style saddle to use this plate.
I have an Orion Optics UK ODK telescope. Do I need this 450mm Losmandy plate?
No. According to Orion Optics UK, the ODK series of telescopes are already fitted with the correct length dovetail plate from the factory. This plate is intended for their CT and AG telescope lines.
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| Length |
450mm |
| Dovetail Style |
Losmandy D-Style |
| Material |
Aerospace-Grade Aluminum |
| Compatibility |
Orion Optics UK CT/AG Telescopes, Losmandy/Paramount Mounts |
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Losmandy Attachment Plate
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Orion Optics UK 1-Year Warranty
