| Solution | Pros | Cons | | :--- | :--- | :--- | | | Full control, free, official support. | Steep learning curve, C/C++ required. | | gPhoto2 (Open Source) | Cross-platform, supports many brands. | Less reliable with Canon live view. | | libusb / direct USB | Low-level control. | Extremely complex, no autofocus. |
Canon reviews applications manually. Approval can take anywhere from a few hours to several business days. canon edsdk download
EdsSetPropertyEventHandler : Triggers when a user manually changes an physical dial on the camera (like switching from ISO 400 to 800). | Solution | Pros | Cons | |
Read it, then check the box “I Accept.” official support. | Steep learning curve