HP M305/M307 - Manual (Page 33)

Chapter 2: Taking Pictures and Recording Video Clips 33
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The AF viewfinder light will blink green, the focus brackets
will turn red, and the Macro icon will blink in the Live
View screen. In this case, the camera detects that the focus is
closer than the normal range. The camera will still take the
picture, but the picture may be out of focus. To focus the
picture, either move farther away from the subject you are
trying to photograph, or set the camera to the
Macro
shooting mode (see Using the Shooting Modes on
page 38).
Finally, if the camera is set to the Macro shooting mode but
detects that either the focus is closer or farther away than the
Macro range of 0.1 to 0.5 m (4 to 20 in) , or there is not
enough contrast or light in the focus region, both viewfinder
lights will blink, the focus brackets will turn red , and the Macro
icon will blink in the Live View screen. In these cases, the
camera will not take a picture if it cannot find focus.
If the subject for the picture is not within the
Macro range,
either move farther away from or closer to the subject, or set
the camera to a shooting mode other than
Macro (see
Using the Shooting Modes on page 38). If there is not enough
contrast or light in the focus region, try using a technique
called Focus Lock to focus on an object about the same
distance away but in a higher-contrast region, and then,
without releasing the Shutter button, point the camera at the
subject you were originally trying to photograph (see Using
Focus Lock on page 34). You can also simply turn on more
light, if that is possible.