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Askar M54/M48 T-Ring for Sony E-Mount
The Askar M54/M48 T-Ring for Sony E-Mount is a camera adapter for Sony E (NEX) mirrorless cameras. It has female M54 and M48 threads on the telescope side, and its 37 mm length lets a Sony E camera reach the standard 55 mm backfocus.
Female M54 and M48 Threads
Telescopes and other astronomical accessories increasingly have male threads, which calls for camera adapters with female threads. This Askar adapter has female threads on the telescope side, in both M54 and M48, so your Sony E camera can connect to accessories that end in either thread.
Reaches 55 mm Backfocus with Sony E Cameras
The adapter is 37 mm long. With a Sony E (NEX) camera attached, this length reaches the standard 55 mm backfocus. Check the backfocus your flattener or reducer calls for before building your imaging train.
Red Dot for Quick Connection
A red dot on the surface of the adapter marks how to line up the adapter ring with the camera, so you can connect it quickly.
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What does the Askar M54/M48 T-Ring for Sony E-Mount do?
It connects a Sony E (NEX) mirrorless camera to your telescope. It has female M54 and M48 threads on the telescope side, and its 37 mm length lets the camera reach the standard 55 mm backfocus.
Why does this adapter have female threads?
Telescopes and other astronomical accessories increasingly have male threads. The female M54 and M48 threads on this adapter let you connect your camera to them.
How long is the adapter, and what backfocus does it give?
The adapter is 37 mm long. With a Sony E-mount camera attached, it reaches the standard 55 mm backfocus.
Which cameras does it fit?
It is made for Sony E (NEX) mount mirrorless cameras. Askar makes the same M54/M48 adapter for Canon RF (EOS R) and Nikon Z mirrorless cameras.
What is the red dot on the adapter for?
The red dot on the surface of the adapter marks how to line up the adapter ring with the camera, so you can connect it quickly.
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| Type |
Camera adapter (T-ring) |
| Camera Mount |
Sony E (NEX) |
| Telescope-Side Threads |
M54 and M48 (female) |
| Adapter Length |
37 mm |
| Backfocus with Camera |
55 mm (standard) |
| Alignment |
Red dot marking on adapter |
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Askar M54/M48 T-Ring for Sony E-Mount
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Askar 1-Year Warranty
