Yes, ACE can export Bitmap and TIFF with different X/Y Drop Spacing.
Here's a quick tutorial showing how to convert a Gerber to a BITMAP with 800 Drop Spacing (X-Direction) and 1600 Drop Spacing (Y Direction):
https://numericalsoftware-update.s3.amazonaws.com/tutorials/2016-08-31_11-15-54-bitmap-drop-spacing.mp4
Simon Garrison
Yes, ACE can export Bitmap and TIFF with different X/Y Drop Spacing.
Here's a quick tutorial showing how to convert a Gerber to a BITMAP with 800 Drop Spacing (X-Direction) and 1600 Drop Spacing (Y Direction):
https://numericalsoftware-update.s3.amazonaws.com/tutorials/2016-08-31_11-15-54-bitmap-drop-spacing.mp4