T-Rings, Spacers & Thread Adapters

Three-Port Electronic Instrument Selector Unmirrored, Zero Light-Loss Main Imaging Port (Port 1) Two Mirrored Ports for Ancillary Instruments (Por...

Connects IMP85 Port Selector to M100i threaded accessories Telescope-Side Thread: S120a Camera-Side Thread: M100i (M100x1 female) Designed for All...

Adapts the IMP85 Instrument Selector S120a Port Connects to M100a Male Threads Enables Multi-Port Instrument Configurations Provides a Solid, Secu...

Adapts the IMP85 instrument selector to telescopes with an IR90 focuser Provides a short, rigid connection with a 20mm optical path length Enables...

Connects IMP85 Instrument Selector to IR90 Focusers Enables Multi-Instrument Setups Facilitates Remote Observatory Automation Solid, Precision-Mac...

Connects IMP85 Instrument Selector to 3.5" Hedrick Focuser Compatible with PlaneWave CDK 14/17/20/24 Telescopes Enables Remote, Electronic Switchi...

Enables use of up to three instruments on a single telescope Unmirrored, straight-through main optical path (Port 1) Two electronically-switched s...

Connects to DSLR cameras via a standard M42x0.75 T-thread Clamps onto spotting scope eyepieces with a 49mm-58mm external diameter Provides up to 3...

Connects M42 (T2) accessories to M48 (2") threaded components Machined from aluminum alloy to a 0.1mm accuracy Adds a precise 31.5mm of height to ...

Connects Nikon F-Mount cameras to standard T-threads Standard M42x0.75 female threads for wide compatibility Enables prime-focus astrophotography ...

Connects Canon EOS DSLR cameras to standard telescope T-threads Features a 3-screw mechanism for precise rotational adjustment Allows for fine-tun...

Connects Nikon F-Mount cameras to M48 (2-inch filter) threads Wide 48mm clear aperture minimizes vignetting on full-frame sensors Precision-machin...

Connects Canon EF/EF-S mount cameras to M48x0.75 threaded accessories 3-screw system allows for precise sensor tilt and orthogonality adjustment M...

Four-piece M48 extension tube kit Includes 5mm, 10mm, 15mm, and 30mm lengths Standard M48x0.75 male and female threads Stackable design for custom...

Variable Extension Range: 24mm to 35mm Thread Type: M48x0.75 Male & Female Replaces Multiple Fixed Spacer Rings Internal Anti-Reflection Baffl...

Variable Extension Range: 24mm to 35mm Male Thread: M42*0.75 (T2-thread) Female Thread: M42*0.75 (T2-thread) All-Metal Construction Black Anodized...

Includes four M42 extension tubes: 5mm, 10mm, 15mm, and 20mm Standard M42x0.75mm T2 male and female threads Stackable to achieve combined lengths ...

Connects SCT Telescopes to T-Thread Cameras Male Thread: Standard SCT Female Thread: M42x0.75 T-Thread Extension Travel: 30mm (1.18 inches) Net We...

Converts M48 Female Threads to M42 Male T-Threads Enables Connection of M42 T-Rings and Accessories to M48 Correctors Knurled Exterior for a Secur...

Securely connects 1.25" focal reducers to C-mount cameras All-metal construction prevents flexure and maintains alignment Eliminates loose connect...

Adapts 2" (50.8mm) focusers to M42*0.75 T-threads Connects SLR/DSLR cameras via a standard T-Ring Features female M48*0.75 threads for 2" filters ...

Achieve Prime Focus with SLR/DSLR Cameras Provides Necessary Focuser Extension All-Metal Aluminum Construction Lightweight and Durable Design Wide...