5 –Camera Controller
A6000 and A8500 Series User’s Manual
46
After selecting the Perform Correction a second window comes up to allow the user to select
correction parameters. The user can choose between a Two-Point and an Offset Update. The Offset
Update can be done with either the internal flag or an external blackbody. We recommend using an
external blackbody for the Offset Update whenever possible to get the best uniformity because the
correction will include any non-uniformities in the lens. It is also a good idea to set the focus of the
lens to the desired setting before performing an Offset Update, otherwise subtle ring-shaped artifacts
can appear in the image when viewing a very uniform scene.
When all selections have been made, click Next>> to continue.
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