Front side - M54x0.75 male thread
Rear side - M60x0.75 male thread

There is also a female M48x0.75 thread that reduces reflections and allows using 2" astronomy filters if necessary.

This adapter is purposed to use standard M54x0.75 astrophotograpy eqipment and extension tubes with the M60x0.75 threads on various Vixen Telescope focussers (existing solutions involve multiple adapters and either reduce the aperture substantially or take significant distance in the imaging train - which can be particularly problematic with the Vixen reducer that limits backfocus).

Machined from high quality aluminium alloyWhy aluminium?.

More Information

More Information
Adapter Front Side	M54x0.75
Adapter Rear Side	M60x0.75
Adapter Added Length	2mm
Material	Aluminium
Manufacturer	RafCamera
Advantages	Design: Many of our products were inspired by customers, and have great application value. Material: Aluminium alloy 2024 (used in aviation and space industry). It is light and durable. Technology: Cutting from solid bars provides the highest possible product quality. Tolerances: A bit tight fit is better than too loose fit for imaging equipment.

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M60x0.75 male to M54x0.75 male thread adapter

Design: Many of our products were inspired by customers, and have great application value.
Material: Aluminium alloy 2024 (used in aviation and space industry). It is light and durable.
Technology: Cutting from solid bars provides the highest possible product quality.
Tolerances: A bit tight fit is better than too loose fit for imaging equipment.