Thank you for your continued interest in Sony products.

Sony is offering a firmware upgrade for the DSLR Cameras DSLR-A900 and DSLR-A850.

Please read all the information described below and follow the download procedure carefully to avoid any problems which may occur during the firmware upgrade.

[Applicable model name]
DSLR Cameras DSLR-A900 and DSLR-A850

[Target of upgrade]
The units with the firmware version “Ver1.00”
(Please see the download page for how to check the firmware version.)

[Additional features / improvements]
1. A [Release w/o Lens] item has been added
You can release the shutter even when no lens is mounted on the camera.

2. 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).

3. 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 has been shifted by 3.0 EV and the camera shoots three images ([3.0 EV–3]) (Before the update: Up to 2.0 EV).

4. The AF function has been improved
The speed of autofocus has been improved. A noticeable result will be acquired when a telescope lens is used. However, this depends on the lens mounted on the camera or the condition under which the subject shot.

Firmware Update can be downloaded from the links below:

DSLR-A850 Firmware Update Ver.2.00 (Microsoft Windows)
http://www.sony-asia.com/support/download/429525

DSLR-A900 Firmware Update Ver.2.00 (Microsoft Windows)
http://www.sony-asia.com/support/download/429526

DSLR-A850 Firmware Update Ver.2.00 (Apple Macintosh)
http://www.sony-asia.com/support/download/429604

DSLR-A900 Firmware Update Ver.2.00 (Apple Macintosh)
http://www.sony-asia.com/support/download/429605

For enquiries, please contact Sony technical support hotline:
Hong Kong: (852) 2389-3202
Macau: 080-0039

Sony Corporation of Hong Kong Limited

Privacy policy

Personal information, such as your name, mailing address and/or telephone number, provided to the Sony Contact Centre shall be kept and used by Sony only for responding to your inquiries related to this announcement and other related services.

With regard to Sony’s policy of handling the personal information, please refer to "Sony Hong Kong's Privacy Policy Statement":
http://www.sony.com.hk/portal/privacy/index_e.jsp

Please contact Sony Contact Centre if you wish to inquire, modify, erase or suspend the use of your personal information provided in connection with this announcement. Please be advised that in case of erasing or suspension of use of your personal information, Sony might not be able to provide appropriate services in accordance with the purpose of usage mentioned above.