ACF Responsive Images (srcset)

page.php

<?php 
$img = the_sub_field( 'image' ); // or get_field ACF  - make sure field is set to ID
$size = 'home-hero'; // thumbnail size 
$src    = wp_get_attachment_image_src( $img, $size );
$srcset = wp_get_attachment_image_srcset( $img, $size );
?>

<img class="pillar-image"
			 src="<?php echo esc_url( $src[0] ); ?>"
			 srcset="<?php echo esc_attr( $srcset ); ?>"
			 sizes="(max-width: 640px) 640px, (max-width: 1024px) 1024px, 1600px" />