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SBIG 2" Nosepiece - T-2
The SBIG 2" Nosepiece - T-2 provides a direct, secure attachment from your camera's male M42x0.75 T-2 threads to any standard 2" focuser, visual back, or diagonal. This essential adapter converts your dedicated SBIG imaging camera into a simple, slide-in device, behaving just like a 2" eyepiece for quick and easy integration into your optical train.
A Secure M42x0.75 to 2" Connection for Aluma & STC Cameras
Made by Diffraction Limited for SBIG cameras, this nosepiece has M42x0.75 threads that screw directly into the camera body of Aluma CCD and STC series models.
By using the universally recognized T-2 thread standard, this adapter provides a solid, reliable interface. The 2" barrel slides smoothly into your focuser and is held securely by compression rings or thumbscrews, creating a stable imaging platform for capturing sharp, consistent data.
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How do I install the SBIG 2" T-2 Nosepiece on my Aluma CCD camera?
Installation is straightforward. The male M42x0.75 (T-2) threads on the nosepiece screw directly into the corresponding female threads on the front of your SBIG Aluma CCD or STC series camera. Once threaded on securely, the entire camera assembly can be inserted into any 2" focuser or accessory like an eyepiece.
Will this SBIG 2" Nosepiece work with my SBIG filter wheel or StarChaser?
No, this nosepiece is designed for direct connection to the camera body only. SBIG accessories like the AFW-8-36R filter wheel and StarChaser SC-4C use a different thread standard (STL threads) and require a different adapter, such as the 2" Nosepiece with STL Threads (2.156" x 24).
Can I use 2" filters with the SBIG T-2 Nosepiece?
Diffraction Limited does not list a filter thread on this nosepiece. Plan to place filters elsewhere in the optical train, such as in a filter wheel.
What is the advantage of using this official SBIG 2" Nosepiece over a generic adapter?
It is the nosepiece Diffraction Limited makes for these cameras: its M42x0.75 threads screw directly into Aluma CCD and STC series camera bodies.
Will the SBIG 2" T-2 Nosepiece fit a non-SBIG camera with T-threads?
The M42x0.75 T-2 thread is a common standard, but this nosepiece is listed only for the SBIG Aluma CCD and STC series cameras, so fit with other cameras is not confirmed.
What does "T-2" mean for the SBIG 2" Nosepiece?
T-2 is a common designation for the M42x0.75 thread standard. It refers to a metric thread with a 42mm diameter and a 0.75mm thread pitch. It is one of the most common standards for connecting cameras and accessories in astronomy.
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| Telescope-side connection |
2in barrel |
| Camera-side connection |
M42x0.75 (T2) male |
| Warranty |
1 year |
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SBIG 2" Nosepiece - T-2
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- Diffraction Limited 1-Year Warranty
