| Available systems | Advantages | Disadvantages | Price in USD |
|---|---|---|---|
| Cyclops LED driver (Open Ephys) | - Fast and precise timing- Wide range of compatible LEDs- Arduino compatible- Open source | - Only 4 channels- No built-in synched system for coupling with two-photon microscopy | ~ 500 |
| Cambridge ResearchSystems | - Precise control over colour, contrast and timing | - Rely on LCD monitors- Not flexible for additional channels.- No built-in synched system for coupling with two-photon microscopy- Proprietary | 8,250-25,000 |
| Thorlabs optical shutter system | - Precise control over the chopping frequency (4 Hz − 10 kHz)- Optomechanical system synchronisable with two-photon- Allow the choice over the light source | - Bulky, can be difficult to adapt to recording setup- Could introduce vibration to the setup resulting in imaging errors- Must be used with a light source with a flicker rate superior to the chopping wheel.- Proprietary | ~ 1200 |
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