SVBONY M42×0.75 to 1.25″ Telescope Adapter is designed to connect standard 1.25-inch eyepieces or accessories to telescope focusers or adapters with an M42×0.75 (T2) male thread. It is commonly used on reflector telescopes where a secure, centred eyepiece connection is required.

Key Features
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M42×0.75 (T2) to 1.25″ compatibility
Allows standard 1.25-inch eyepieces or accessories to be used with M42-threaded focusers or adapters. -
Three-point locking system
Three thumbscrews securely clamp the eyepiece while allowing fine centring and alignment with the optical axis. -
Brass compression ring
Brass compression helps prevent marring or scratching of eyepiece barrels while maintaining a firm hold. -
All-metal construction
CNC-machined aluminium body with black anodised finish for durability, rigidity, and long-term reliability. -
Designed for reflector telescopes
Well suited to Newtonian and other reflector setups where precise eyepiece alignment and secure retention are essential.
Ease of Use
Installation is straightforward: thread the adapter onto the M42×0.75 interface, insert the eyepiece, and tighten the three thumbscrews evenly. This allows accurate centring of the eyepiece relative to the optical axis for optimal focus and image quality.
Construction & Materials
The adapter is machined from high-quality aluminium and anodised black for corrosion resistance. The internal brass compression ring ensures smooth operation and protects accessories during repeated use.