[ Version ( deprecated = true , deprecated_since = "0.14.0" ) ]
public double get_focal_length ()
Warning: get_focal_length is deprecated since 0.14.0.
See <ulink url="https://en.
Use try_get_focal_length instead.
wikipedia.org/wiki/Flange_focal_distance"></ulink> for more information.
| this |
An instance of Metadata |
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The focal length as a gdouble, or -1.0 if tag is not present or invalid. |