Important Notes on AUTO FOCUS of KK-C68
Conditions of AUTO FOCUS on KK-C68 when use Canon camera with lens:
- 1. Camera supports Auto-focus.
- 2. Lens supports Auto-focus and set the switch on AF mode.
If you can't make it auto focus when use three tubes together, try one by one to test auto focus. Dark light or weak light may lead the auto focus failure. If you still have questions on auto focus, welcome to reach us at chinaphotosupplier@foxmail dot com.