T-Rings, Spacers & Thread Adapters

Securely connects the Flat4 Field Flattener to the draw tube Designed for William Optics FLT 98, 110, 132, and 152 models Compatible with telescop...

Connects Flat4 Flattener to 3" V-Power Focuser Compatible with William Optics GT102 & FLT 132 Engineered for 2017 Telescope Models Secure Thre...

Connects DSLR cameras to any 2-inch telescope focuser Standard male T2-thread (M42x0.75) for camera-specific T-rings Enables direct prime-focus as...

Connects Nikon F-mount DSLR cameras to M48x0.75 threaded accessories 41.2mm clear inner diameter minimizes vignetting on full-frame sensors Adds a...

Adds 1 inch of focuser back travel Designed for Explore Scientific 2-inch Rack & Pinion Focusers Compatible with Explore Scientific ED APO tel...

Connects DSLR and SLR cameras to telescopes Fits standard 1.25" focusers and eyepiece adapters Requires a brand-specific T-Ring (sold separately) ...

Adapts Sony mirrorless cameras to the Celestron 8" RASA Uses the camera's bayonet mount for a secure connection Provides minimal optical obstructi...

Attaches Canon mirrorless cameras to the 8" RASA Uses the camera's bayonet mount for a secure fit Provides minimal optical obstruction Places sens...

Three-in-one design: 2x visual Barlow, prime focus T-adapter, and tele-extended T-adapter Doubles the magnification of any 1.25" eyepiece Connects...