Sony DSLR-A100 - Manual (Page 146)

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you can widen the aperture to blur the background and accentuate the subject, producing a
perfect portrait picture.
In addition, when using the flash with the aperture open in aperture priority mode or manual
exposure mode, you can attain a proper exposure using the high speed flash even on a scene
with a very bright background, which would normally cause overexposure.
* This camera’s flash sync speed is 1/125 second with the Super SteadyShot on and 1/160 second with the
Super SteadyShot off. The shutter speed will not be faster in other flash shooting than high speed sync.
• In high speed sync mode (when the shutter speed is faster than the flash sync speed noted above), “H”
appears in the viewfinder and on the LCD monitor.
• In high speed sync mode, the flash range is shorter than in normal flash shooting. Before taking a picture,
make sure the subject is within the range of distance displayed on the flash window.
• High speed sync mode is not available when the two-second self-timer or [Rear sync.] is selected.
• If a flash meter or a color meter is used, high speed sync mode is not available because the proper
exposure cannot be attained. Either deactivate the high speed sync mode (“HSS” does not appear on the
LCD window of the flash) or select a shutter speed slower than the flash sync speed.
FDA-A1AM Angle Finder/FDA-M1AM Magnifier
When using the Angle Finder or Magnifier, remove the eyecup.
• The eyepiece sensors located below the viewfinder may be activated. Setting [Eye-Start AF] to [Off] is
recommended (page 85).