Free images results:
 

Vortex pictures, stock photos and images

 
1


 
 
1


 
Also, here are some commercial RF-licensed images that match your search criteria:  
Vortex Royalty Free Stock Images
Author: Indos82
Vortex Royalty Free Stock Photography
Author: Modi1980
Vortex Stock Photo
Author: Tmcnem
Vortex Royalty Free Stock Photography
Author: Ulisse