Hi @flowbob
It is most likely that you have a plugin which is adding the lightbox effect to WYSIWYG galleries. Is this correct?
if so, all you will need to do is pass the ACF value through the the_content filter – this is how a plugin would modify the_content value.
<?php
$wysiwyg = get_field('field_name', false, false);
echo apply_filters('the_content', $wysiwyg);
?>
Please note the extra false, false parameters are to prevent ACF from formatting the value because the_content will also do this.
Thanks
E
