T-Rings, Spacers & Thread Adapters

Extension Length: 0.50" (12.7mm) Connection Standard: Tele Vue 2.4" Imaging System Thread Material: Black Anodized Aluminum Clear Aperture: >2....

Extension Length: 9.5mm (0.375") Format: Tele Vue 2.4" Accessory Standard Connection Side 1: 2.4" Female Thread Connection Side 2: 2.4" Male Threa...

Component Type: Fixed Extension Tube System Format: Tele Vue 2.4" Imaging System Optical Length: 0.25" (6.4mm) Connection Side 1: M61x1 Male Threa...

Connection Side 1: 2.4" Female Thread for Tele Vue NPis Focusers Connection Side 2: 2" Accessory Barrel with Brass Clamp Ring Material: Anodized A...

Telescope Connection: Tele Vue 2.4" Imaging System Thread Camera Connection: M54x0.75 Male Thread Material: Black Anodized Aluminum Compatibility:...

Connection (Telescope Side): Tele Vue 2.4" Female Thread Connection (Camera Side): Male T-Thread (M42x0.75) Optical Length: 0.26" (6.6mm) Material...

Connection Side 1: Tele Vue 2.4" Imaging System Thread Connection Side 2: SBIG STL-Series Camera Thread Material: Black Anodized Aluminum Optical ...

Connection to Telescope: Tele Vue 2.4" Imaging System Thread Connection to Camera: Nikon F-mount Bayonet Clear Aperture: >42mm (Wider than stan...

Connections: Canon EOS Bayonet (Camera Side) / Tele Vue 2.4" Thread (Telescope Side) Clear Aperture: 25% larger than standard T-rings Application:...

Connection to Telescope: 2" Barrel Connection to Camera Side: Tele Vue Imaging System Thread Filter Compatibility: Standard 2" (48mm) Filter Threa...

Product Code: PTR-4201 Connection Side 1: 4x Powermate (PMT-4201) Female Thread Connection Side 2: M42x0.75 T-Ring Male Thread Material: Anodized ...

Connects DSLR/Mirrorless Cameras to 2" 2x Powermate Standard Male T-Ring Thread (M42x0.75) Attaches Directly to Powermate Top Lens Cell Low-Profil...

Connection Side 1: Male T-Thread (M42x0.75) Connection Side 2: Female Thread for 1.25" Powermate Compatibility: Tele Vue 2.5x and 5x 1.25" Powerma...

Connection Type: Prime Focus Astrophotography Telescope Side Connection: 2" Barrel Camera Side Connection: Male T-Threads (M42x0.75) Material: Ano...

Adapts M48x0.75mm Female Threads to M42x0.75mm Female Threads Provides 2mm of Optical Path Length Male Threads on Both Sides (M48M-M42M) Standard ...

Connects two female M48 threaded accessories Provides M48x0.75mm male threads on both sides Adds a precise 2mm of optical path length Ideal for fi...

Provides a fixed 20mm spacing extension Female Thread: M42 x 0.75 Male Thread: M42 x 0.75 Corrects back focus for flatteners and reducers Standard...

Optical Length (17.5mm): Adds a fixed 17.5mm of spacing, a common requirement for achieving 55mm back focus with filter wheels and off-axis guide...

Adds 20mm of extension to an optical train Connects M54 x 0.75 male to M54 x 0.75 female threads Precision-machined for a secure, tilt-free fit Ma...

Connects ESATTO 3" Focuser to ARCO 3" Rotator Enables Electronic Control via ESATTO Port Results in a Combined Rotator Thickness of 24.5mm Maintai...