There are three main reasons your lens adapter may not work. 1. The adapter fits a different lens mount. 2. The adapter fits a different camera mount. 3. All of the above.
If you’re sure you have the correct lens adapter for your lens and camera body, then there’s a tiny chance it may be a defective product. If that’s the case, please email us with a photo or video explaining the issue.
To ensure you find the right lens adapter, read our guide to buying the right lens adapter.