T-Rings, Spacers & Thread Adapters

Precision T-2 thread shims for rotational alignment Available in 0.3mm, 0.5mm, and 1.0mm thicknesses Ultra-thin design minimizes impact on back fo...

Connects 2" focusers to T-2 (M42x0.75) accessories Hidden M48 male thread plus a female M48 filter thread in the barrel Ultra low-profile design m...

Connects Canon EOS-EF Mount DSLR/Mirrorless cameras to telescopes Replaces the camera lens for direct, secure attachment Enables prime focus astro...

Connects full-frame DSLR and astronomical cameras to EdgeHD 9.25", 11", and 14" telescopes Features a wide M48 x 0.75 thread to eliminate vignetti...

M42 adapter for main imaging camera Specifications

Adapts T-2 (M42x0.75) Threads to a 1.25" Barrel Integrates with the Baader Astro T-2 System Standard 1.25" Nosepiece Format Enables Connection of ...

Connects Sony E/NEX mount cameras to telescopes Ultra-short design adds only 8.3mm of optical length Features three connection standards: T-2, M48...

Connects Canon EF-mount DSLRs (mirrorless via EF-RF adapter) to Sky-Watcher reducers Features a wide M48 x 0.75 thread to prevent vignetting Engin...

Connects P-FLAT6AIII Flattener to 2" Focuser Female M63 Threads for Flattener Connection Male 2" Push-in Barrel for Focuser Internal M48 Female Th...

Optical Length: 16.5mm Connection Side 1: M54x0.75 Male Thread Connection Side 2: M54x0.75 Female Thread Material: Anodized Aluminum Descriptio...

Adds exactly 15mm of optical path length M48 x 0.75 female and male threads Compatible with 2-inch filter systems Machined for modern, short back-...

Connects QHYCCD cameras to telescopes and accessories Provides multiple spacers for achieving correct back focus Ensures a rigid, threaded connect...

Connects female M48x0.75 threads to male T2 (M42x0.75) threads Solves common thread mismatches in imaging trains Durable, all-metal construction f...

Connects T2 (M42x0.75) Male Threads to 1.25" Barrels Non-Marring Brass Compression Ring Secure Two-Thumbscrew Locking Durable, Low-Profile Aluminu...

Adds precisely 21mm of optical path length M54x0.75 male and female threads for secure connections Prevents vignetting with full-frame sensors Mac...

Connects T-2 and M48 accessories to a standard 2-inch focuser Features a modern, shallow T-2 thread depth for new cameras Dual male threads: T-2 (...

Connects M68x1.0 accessories to M48x0.75 components M68 male thread with 1.0mm pitch and 4mm length M48 male thread with 0.75mm pitch and 4mm leng...

This Combo B1 is included as a standard accessory with the QHY268M and the QHY600 Short Back Focus version. It allows to reach a 55mm back focus.Ki...

Adds a fixed 5mm of optical path length Standard M48 x 0.75 filter threads Essential for precise back focus adjustment Rigid, non-flexing aluminum...

Precise 1mm Thickness M48x0.75 Female Thread Fine-Tunes Back Focus Spacing Used with M48 Extension Tubes Prevents Star Elongation at Field Edge ...

Adds a precise 5mm of optical length Standard M48x0.75 male and female threads Knurled exterior for a secure grip Black-anodized aluminum construc...

Provides a fixed 5mm of optical path extension Standard T2 male and female threads (M42x0.75) Black anodized aluminum construction Knurled exterio...

Variable Length Adjustment: 29mm to 46mm Locking Mechanism: Knurled locking ring with hook wrench engagement Rotational Adjustment: Rotating T-2 r...