This document introduces the upgrade features and operation instructions of Sony Corporation's DSLR-A900/DSLR-A850 cameras, including the addition of the no-lens release shutter function, expansion of the exposure compensation range, improvement of AF function, etc.
The manual describes the additional functions provided by the firmware upgrade for the Sony DSLR‑A900 and DSLR‑A850 cameras. New options include a lens‑less shutter release, expanded exposure compensation range, and enhanced phase‑shooting settings.
It also details improvements to autofocus performance and how to configure custom menu items for these new features. Instructions are given for using the Remote Camera Control software and for interpreting exposure indicators on the LCD screen. This manual is written in Chinese.
| Exposure compensation range | -5.0 EV to +5.0 EV |
|---|---|
| Maximum continuous shots per phase shooting | 3 images |
Enable the "Lens‑less shutter release" option in the custom menu; it allows shutter release even when no lens is mounted.
The exposure compensation range is expanded to -5.0 EV to +5.0 EV.
The camera can capture up to three images in phase shooting mode.