Sony NEX E-mount lens to Leica LM mount Adapter

This is designed for LAOWA 25mm F2.8 Ultra Macro 2.5-5X lens (Sony E-mount) to attach on Techart auto-focus adapter in order to add auto-focus. function.

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While using Techart auto_focus adapter for micro photography , "Must" switch the focus mode to the "contrast mode" on Sony A7 serises cameras. Also, make sure you have sufficient lighting, otherwise the auto_focus will fail to press t