focus point any focus adjustment method can be
used. However, after a point has been set only
incremental focus adjustments can be used. Touch
focus or manual lens cannot be used as there is then
no way to track the focus changes that have been
made. If one of these methods is used to change focus then any focus points that were set
may be automatically cleared.
Once the two focus points are set, pressing the bullseye button will move the focus to that
position. It will not be able to achieve a cinematic quality follow focus, but can be useful to
return the lens to a particular focus point. Pressing clear will clear that focus point so it can be
reset.
After the focus points are set, the Start button will be enabled and pressing it will start the
focus stacking process.
For Canon cameras, the CamRanger can only know the lens focal length by downloading an
image. If an image has not been downloaded in that session yet, the focus stacking section
will be disabled and instead a button will be shown to take a configuration shot. Pressing the
button will result in the camera capturing an image, downloading the image to determine the
lens focal length and then immediately deleting the image.
Advanced Focus Stacking
Pressing the plus button will reveal the advanced
focus stacking options and provide additional
feedback.
The focal length is automatically determined,
however, it can be changed if it needs to be
manually overridden. The CamRanger 2 does a
pretty good job determining a reasonable number of shots and step sizes for a given
scenario. However, the user may want to adjust this. The simplest way is to change the
© CamRanger, 2019
US Patent 9712688
10/04/19
22
