You set up how you want to blend cutline seams in the Set Blend Width window.
Figure 1. Set Blend Width
To open the Set Blend Width window
Do either of the following, based on the window in which you are working:
In the Mosaic Tool window, do either of the following:
To set the blend width of cutlines in all images, in the control pane, right-click Source images, and then click Set Blend Width.
To set the blend width of cutlines in one or more images, under Source images, select the image, group, or range of images, right-click, and then click Set Blend Width.
In the Collection Viewer window, on the Editing toolbar, click Set Blend Width.
Note: A blend width you set in the Collection Viewer window applies only to the image you are viewing.