Say I have 2 images with different aspect ration and size, e.g.
A. w300 x h200 px
B. w200 x h400 px
Is there an option to export the images so that they would yield the same image size.
e.g. to 3x2 ration so that image A will stay 300x200 and image B will also be 300x200 with some transparency on the edges.
Actual image size for B would be in this case 100x200 with 100x100 transparency on each side.
You cannot do this with Lightroom by itself. You either need to use a plugin like Lr/Mogrify or use Photoshop.