1.25" Telescope T-Mount Camera Adapter Ring, M42x0.75

Connect Your DSLR to Any Telescope — Capture the Universe in Stunning Detail.

Astrophotography shouldn’t require expensive, proprietary equipment — the right adapter is all it takes to turn your existing DSLR or SLR into a powerful astronomical camera. The Serounder 1.25" Telescope T-Mount Adapter Ring bridges your camera and your telescope in seconds, with precision-machined metal threads that hold firm and minimize reflections for clean, sharp images. Whether you’re capturing the moon, planets, or deep-sky objects, this is the essential link between your camera and the cosmos.

Machined from durable metal and finished in matte black to reduce internal reflections, the Serounder 5P0012B adapter features a 1.25" (31.7mm) barrel that fits standard telescope focusers, with internal threads of M28.5×0.6mm and M30×1mm to accommodate standard 1.25" filters. The M42×0.75mm external thread connects directly to any DSLR or SLR camera equipped with a compatible T-ring (sold separately), making it universally compatible with Canon, Nikon, Sony, and other major camera brands. Weighing just 16g, it adds virtually no bulk to your setup — just point, focus, and shoot the stars.

Key Benefits

• Universal 1.25" Barrel Fit — Fits all standard 1.25" (31.7mm) telescope focusers for broad compatibility across telescope brands and models.
• M42×0.75mm External Thread — Connects to any DSLR or SLR camera with a compatible T-ring for seamless astrophotography setup.
• Filter-Compatible Internal Threads — M28.5×0.6mm and M30×1mm internal threads accept standard 1.25" astronomy filters for enhanced imaging.
• Precision Metal Construction — Durable metal body with matte black interior minimizes reflections and stray light for sharper, cleaner images.
• Ultra-Lightweight at 16g — Adds virtually no weight or bulk to your telescope setup, preserving balance and ease of use.
• Easy Install & Operate — Threads on in seconds with no tools required, making it ideal for both beginners and experienced astrophotographers.

* T-ring for your specific camera brand is not included and must be purchased separately. Verify your camera’s T-ring thread compatibility (M42×0.75mm) before purchase. Adapter is designed for 1.25" focusers only; not compatible with 2" focusers without an additional step-down ring.

Product Specifications

Our Promise to You