Sony have released a major firmware upgrade for the A900 and A850 DSLR cameras. The upgrade includes quicker and more responsive autofocus, an increase in exposure compensation to to ±5EV and exposure bracketing to 6.0EV, and a new menu option that allows the shutter release to be enabled even when the camera body doesn’t detect an attached lens. The latest firmware upgrade for the A900 and A850 is available free of charge.
Sony UK Press Release
2nd December 2010
SONY ANNOUNCES FIRMWARE UPGRADE FOR DSLR-A900/A850
Creative shooting enhancements for full-frame ? cameras
A firmware upgrade that refines shooting responses and creative options for the ?900 and ?850 35mm full-frame DSLR cameras from Sony.
All new and existing customers are advised to install the upgrade, available to download from the ‘Support’ area of the Sony web site.
Autofocus is quicker and more responsive than ever, thanks to improved AF motor control and smarter distance detection of out-of-focus objects.
Creative options are extended by a broadened range of exposure value (EV) compensation settings, now increased from ±3EV to ±5EV. Selected compensation value is displayed in the navigation display on the main LCD screen of both cameras. This boosted EV compensation range gives extra headroom when composing extremely high- or low-key images.
Exposure bracketing range has also been increased from a maximum of 4.0EV (three shots at -2EV, 0EV, +2EV) to a maximum of 6.0EV (-3EV, 0EV, +3EV). This wider range gives added flexibility when capturing multiple frames at different exposure values – for example when acquiring images for the creation of powerful post-shooting HDR effects.
As a further refinement, a new menu option allows shutter release to be enabled, even when the camera body doesn’t detect an attached lens. It’s useful for specialist applications such as astrophotography when the camera is attached to a telescope.
The latest firmware upgrade by Sony for registered ?900 and ?850 DSLR customers is available free of charge from http://support.sony-europe.com/dime/DSLR/dslr.aspx
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