Wordpress Loop Query for filtering posts by format-type

wp-post-format-query.php

$args = array (
	'pagination'             => false,
	'posts_per_page'         => '3',
	'ignore_sticky_posts'    => true,
	'post_type'				 => 'post',
	'tax_query'				 => array(
		array(
			// Specifies post-format taxonomy type
			'taxonomy'				 => 'post_format',
			'field'					 => 'slug',
			// Defines term/s to query using 'post-format-*'
			'terms'					 => 'post-format-video',
			// The operator allows you to exclude posts of that format type
			'operator'				 => 'NOT IN'
		)
	)
);