Sony ILCE-7S - Manual (Page 226)

LA-EA2 Mount Adaptor
If you use the LA-EA2 Mount Adaptor (sold separately), the following functions are available.
Full size shooting:
Not available.
Autofocus:
Available
AF system:
Phase Detection AF, which is controlled by the dedicated AF sensor inside the Mount
Adaptor
AF/MF Select:
Lenses that do not support Direct manual focus: Can be changed using the operating switch
on the lens.
Lenses that support Direct manual focus: Can be changed using the operating switch on the
lens. When the switch on the lens is set to AF, you can use MENU to change the focusing
method.
Other lenses:
Can be changed using MENU.
Focus Mode:
Available modes are as follows (Single-shot AF/Continuous AF)
Available focus area
Wide:
The product automatically selects a focus area from among 15 areas.
Center:
The product uses the focus area located in the center area exclusively.
Flexible Spot:
You can select a focus area from 15 areas using the control wheel.
[279] How to Use Precautions/This product Other information
LA-EA3 Mount Adaptor
If you use the LA-EA3 Mount Adaptor (sold separately), the following functions are available.
Full size shooting:
Available with full size shooting-compatible lenses only
Autofocus:
Available with SAM/SSM lens only*