David Astro M42 Sony E T-Ring
- Connects a Sony E mount camera body to M42x0.75 T2 accessories
- For prime focus astrophotography
- M42x0.75 T2 thread on the telescope side
- Sony E mount on the camera side
Check which filter and adapter sizes clear the sensor with the David Astro M42 Sony E T-Ring, and how much light the corners lose.
Check vignettingThe David Astro M42 Sony E T-Ring attaches to a Sony E mount mirrorless camera body like a lens and gives it an M42x0.75 T-thread (T2), so the camera can be connected to a telescope adapter, flattener or reducer for prime focus imaging.
A T-ring is the camera-specific part of the link between camera and telescope. On the telescope side you also need a matching T2 part, such as a nosepiece adapter or a flattener or reducer with an M42x0.75 thread. With the lens removed, the telescope works as the camera lens and projects the image straight onto the sensor.
It adapts a Sony E mount camera body to the M42x0.75 T-thread, so the camera can be attached to a telescope for prime focus astrophotography.
A telescope-side adapter with an M42x0.75 (T2) thread, such as a 2" nosepiece adapter, or a flattener or reducer with a T2 camera-side thread.
Like a lens: line up the mount index marks, insert and turn until it locks.
Yes, with an SCT T-adapter that threads onto the rear of the telescope and ends in an M42x0.75 thread. The T-ring and camera then thread onto that adapter.
M42x0.75 is a 42mm metric thread with a 0.75mm pitch, the T-thread (T2) used by many telescope adapters, flatteners and reducers.
| Brand | David Astro |
| SKU | DAV-T2-SN-E |
| Telescope side | M42x0.75 (T2 / T-thread) |
| Camera side | Sony E mount |
David Astro M42 Sony E T-Ring
× 1