Sony Artisan Brian Smith has created an excellent guide that looks at using Sony’s A-Mount lenses on Sony’s A7RII Mirrorless E-Mount camera.
Brian has done all of the testing and lets us know when it would be better to use the LA-EA4 adapter (for screw-drive focus lenses) instead of the LA-EA 3 adapter.
For the full run down go to: http://briansmith.com/sony-a-mount-lens-sony-a7rii-guide/
Image reproduced by kind permission of Brian Smith 🙂