his utility upgrades the DSLR-A850 / DSLR-A900 firmware to version 2.00, and provides the following benefits:
[Release w/o Lens] item has been added in the Custom menu 2
You can release the shutter even when no lens is mounted on the camera (P/A/S/M and Auto mode).
The range of the exposure compensation has been expanded
The range of the exposure compensation is expanded to ±5 EV (Before the update: ±3 EV).
An additional setting of the exposure step for the bracket shooting has been added
The following setting has been added to the continuous bracket and single bracket shooting functions:
The exposure bracket can now be set in 3 EV increments and the camera shoots three images ([3.0 EV– +3.0 EV]). (Before the update: Up to 2.0 EV).
The AF function has been improved
The speed of autofocus has been improved. The improvement will be most noticeable when using a tele lens, however the effect is dependent on the shooting condition.