ZWO M42 to CS Adapter - 7mm
The ZWO M42 to CS Adapter has female C-mount threads on the inner diameter of the ring, and male T-threads on the outside diameter. Use this adapter to mount CS-mount lenses, such as the ZWO 150 degrees Fish Eye, to receptive ZWO imaging cameras. Create a T-adapter out of a Baader C-mount adapter with this versatile C to T Adapter!
| Adapter Type | Canon (EF Mount) | Nikon (F Mount) | Thread |
| Lens Adapter Only |
ZWO-EOS-T2-II | ZWO-NIKON-T2-II | M42 x 0.75 |
| Lens Adapter w/ Filter Drawer | ZWO-FD-EOS | ZWO-FD-Nikon |
M42 x 0.75 |
| Additional Filter Holder for Filter Drawer | ZWO-F-HLDR-DSLR | ZWO-F-HLDR-DSLR |
— |
| Lens Adapter to 2" ZWO Filter Wheel (ASI6200, 2400, and 2600 cameras) | ZWO-EFW2-EOS | ZWO-EFW2-NIKON | M54 x 0.75 |
| Lens Adapter to 1.25"/31mm/36mm ZWO Filter Wheels & Other Cameras | ZWO-EFW-EOS-II | ZWO-EFW-NIKON-II | M42 x 0.75 |
OPT Product Number: ZWO-M4CS
- Adapter links M42 male T-thread to female C-mount threads.
- Permits CS-mount lenses to work with ZWO imaging cameras.

Description
The ZWO M42 to CS Adapter has female C-mount threads on the inner diameter of the ring, and male T-threads on the outside diameter. Use this adapter to mount CS-mount lenses, such as the ZWO 150 degrees Fish Eye, to receptive ZWO imaging cameras. Create a T-adapter out of a Baader C-mount adapter with this versatile C to T Adapter!
| Adapter Type | Canon (EF Mount) | Nikon (F Mount) | Thread |
| Lens Adapter Only |
ZWO-EOS-T2-II | ZWO-NIKON-T2-II | M42 x 0.75 |
| Lens Adapter w/ Filter Drawer | ZWO-FD-EOS | ZWO-FD-Nikon |
M42 x 0.75 |
| Additional Filter Holder for Filter Drawer | ZWO-F-HLDR-DSLR | ZWO-F-HLDR-DSLR |
— |
| Lens Adapter to 2" ZWO Filter Wheel (ASI6200, 2400, and 2600 cameras) | ZWO-EFW2-EOS | ZWO-EFW2-NIKON | M54 x 0.75 |
| Lens Adapter to 1.25"/31mm/36mm ZWO Filter Wheels & Other Cameras | ZWO-EFW-EOS-II | ZWO-EFW-NIKON-II | M42 x 0.75 |
OPT Product Number: ZWO-M4CS
- Adapter links M42 male T-thread to female C-mount threads.
- Permits CS-mount lenses to work with ZWO imaging cameras.

















