Product description <img alt="lens adapter" src="https://m.media-amazon.com/images/S/aplus-media-library-service-media/1563bb1f-a81a-45e8-9494-dcd54e1cc409.__CR0,0,970,600_PT0_SX970_V1___.jpg"/> <img alt="lens adapter" src="https://m.media-amazon.com/images/S/aplus-media-library-service-media/82536cea-d525-4184-b6a9-26d81a88b177.__CR0,0,300,300_PT0_SX220_V1___.jpg"/> Function: Manual adapter without electronic contacts, no auto-focus or aperture control.

Connect Tamron screw mount lens to L mount mirrorless camera.

Support focus to infinity manually.

<img alt="lens adapter" src="https://m.media-amazon.com/images/S/aplus-media-library-service-media/372ad7d0-84ce-42a4-bcf6-3a3281871061.__CR0,0,300,300_PT0_SX220_V1___.jpg"/> Aperture: Aperture cannot be adjusted with manual adapter, and will be defaulted to the largest.

Aperture can only be adjusted when your lens has a manual aperture control ring itself.

Use a zoom lens with manual adapter, set the aperture to what you want before connecting to the adapter and camera.

<img alt="lens adapter" src="https://m.media-amazon.com/images/S/aplus-media-library-service-media/2354c96a-0286-4d7d-87fe-1e717db3f27e.__CR0,0,300,300_PT0_SX220_V1___.jpg"> Doesn't work Problem: If you find the camera cannot shoot with the adapter, set your camera as "release shutter without lens" to enable when using the adapter for the first time, otherwise the camera will fail to recognize the lens and the shutter may not be released.

<img alt="lens adapter" src="https://m.media-amazon.com/images/S/aplus-media-library-service-media/c43b5dae-2ce2-424e-a005-53b351561dc3.__CR0,0,300,300_PT0_SX220_V1___.jpg">