These adapters allow a wide variety of inputs/outputs to couple with the Standard Layer and the Universal Layer. They can be used for illumination from a light source or detection using a camera.
Standard Layer Ports
![35mm Port Adapter for Standard Layer](https://www.cairn-research.eu/wp-content/uploads/Port-Adapter-35mm.png)
35mm SL Port Adapter
- for 35mm
- Standard Layer
![46mm Port Adapter](https://www.cairn-research.eu/wp-content/uploads/Port-Adapter-46mm.png)
46mm SL Port Adapter
- for 46mm
- Standard Layer
Universal Layer Ports
![46mm Port Adapter for Universal Layer](https://www.cairn-research.eu/wp-content/uploads/Port-Adapter-46mm-UL.png)
46mm UL Port Adapter
- for 46mm
- Universal Layer
![56mm Port Adapter for Universal Layer](https://www.cairn-research.eu/wp-content/uploads/Port-Adapter-56mm-UL.png)
56mm UL Port Adapter
- for 56mm
- Universal Layer