Service Center FAQ
This FAQ page provides key information on our services, including warranty policies, repair procedures, and product support. It ensures you understand the guidelines for accessing our after-sales services and helps answer common questions quickly and efficiently.
Last updated: April 2024
Lens Adapter
1. Autofocus Issues
My adapter won't autofocus. What should I do?
Device Check:
- Ensure the adapter is securely attached to both the lens and the camera, and the contacts are clean.
- Update the firmware for both the camera and the adapter.
- Restart the camera and ensure it is set to the appropriate focus mode.
Customer Support:
If autofocus still doesn’t work, provide your camera and adapter details to our support team for further troubleshooting.
My adapter shows "F--" and won't focus？
Device Check:
- Ensure the adapter is properly mounted and the camera contacts are clean.
- Update the firmware for the camera and the adapter.
- Restart the camera and reset it to factory settings.
Customer Support:
If the issue persists, provide your equipment details to our support team for specific troubleshooting.
2. Parameter Adjustment Issues
I can't control the aperture or autofocus with my adapter, but manual focus works？
Initial Checks:
- Ensure the adapter is properly mounted and the contacts are clean.
- Update the firmware for both the camera and the adapter.
- Restart the camera and ensure it is set to the correct focus and aperture control modes.
Customer Support:
If you still cannot control aperture or autofocus, contact support with your equipment details for further troubleshooting.
My adapter won't focus or control the aperture？
Device Check:
- Ensure the adapter is securely attached and the contacts are clean.
- Update the firmware for both the camera and the adapter.
- Restart the camera and try manually adjusting the focus and aperture settings.
Customer Support:
If the issue persists, provide your camera and adapter details to our support team for further assistance.
My video aperture and shutter reset every time I turn off and on my camera. Video autofocus doesn't work when zooming？
Initial Checks:
- Ensure the adapter is securely attached and the contacts are clean.
- Update the firmware for both the camera and the adapter.
- Restart the camera and reset the settings.
Customer Support:
If the issue continues, contact support with your camera and adapter details for further troubleshooting.
My Nikon full-frame camera only allows DX mode with the adapter, and I can't adjust the frame size？
Initial Checks:
- Ensure the adapter is securely attached and the contacts are clean.
- Update the firmware for both the camera and the adapter.
- Restart the camera and try adjusting the frame size settings.
Customer Support:
If you still cannot adjust the frame size, provide your camera and adapter details to our support team for further assistance.
3. Screen Issues
My screen flickers or shows a black screen when using the adapter？
Initial Checks:
- Ensure the adapter is properly mounted and the contacts are clean.
- Update the firmware for the camera and the adapter.
- Restart the camera and try adjusting the screen settings.
Customer Support:
If the screen issue persists, provide your equipment details to our support team for assistance.
4. Aperture Issues
My adapter won't control the aperture, and the camera aperture is stuck at f4 while the lens is at f1.8？
Initial Checks:
- Ensure the adapter is securely attached and the contacts are clean.
- Update the firmware for both the camera and the adapter.
- Restart the camera and try manually setting the aperture.
Customer Support:
If the aperture control issue remains, provide your camera and adapter details to our support team for assistance.
The aperture control on my adapter is not working？
Initial Checks:
- Ensure the adapter is properly mounted and the contacts are clean.
- Update the firmware for the camera and the adapter.
- Restart the camera and try adjusting the screen settings.
Customer Support:
If the screen issue persists, provide your equipment details to our support team for assistance.
5. Inoperable Adapter
My control ring adapter won't work？
Preliminary Checks:
- Ensure the adapter is securely attached and the contacts are clean.
- Update the firmware for both the camera and the adapter.
- Restart the camera and reset the settings.
Customer Support:
If the adapter remains inoperable, provide your camera and adapter details to our support team for further troubleshooting.
My adapter stopped working after updating the firmware？
Initial Checks:
- Ensure the adapter is securely attached and the contacts are clean.
- Reinstall the firmware update or try a previous version.
- Restart the camera and reset the settings.
Customer Support:
If the adapter still doesn't work, contact support with your equipment details for further assistance.
My adapter shows "Error" even after updating the firmware？
Device Check:
- Ensure the adapter is properly mounted and the contacts are clean.
- Reinstall the firmware update or try a previous version.
- Restart the camera and reset the settings.
Customer Support:
If the issue persists, provide your camera and adapter details to our support team for specific troubleshooting.
My EF-40mm SMT lens extends and retracts every time I turn on the camera or remove the memory card？
Initial Checks:
- Ensure the adapter is securely attached and the contacts are clean.
- Update the firmware for both the camera and the adapter.
- Restart the camera and reset the settings.
Customer Support:
If the lens issue continues, provide your equipment details to our support team for further assistance.
My EF-70-200 f4 IS lens stabilizer is continuously active, even when not pressing the shutter button？
Initial Checks:
- Ensure the adapter is securely attached and the contacts are clean.
- Update the firmware for both the camera and the adapter.
- Restart the camera and reset the settings.
Customer Support:
If the stabilizer issue persists, provide your equipment details to our support team for further troubleshooting.