Will I lose any autofocus speed using the LA-EA4 to mount A-lens onto my A7r?

Started Aug 13, 2014 | Questions thread
Tonkotsu Ramen
Tonkotsu Ramen Senior Member • Posts: 2,380
Re: Will I lose any autofocus speed using the LA-EA4 to mount A-lens onto my A7r?

Ross Warner wrote:

EinsteinsGhost wrote:

Wang Hung wrote:

I need a reasonable zoom lens for the A7r but I dont like the current 24-70 FA, rather save money for something third party.

I've read a number of posts stating that the adapter might make focusing on the A7r faster than just CDAF?

AF will be fast, not Sony a77/a99 fast, but almost and will work well. LA-EA4 uses the same PDAF module used in mid-range Sony SLT cameras (a55/57/58/65).

Actually, the LA-EA4 uses the A99 technology.

-Ross

Actually, no.

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