There are many who would like a long focal length, but the use of one is limited by the quality of the air between you and the subject, early morning or late evening - still cool air would be best.
I guess you could use a iphone and one of the adapters and get a much longer equivalent focal length. We will undoubtedly see some results .
Those bubbles looked like flying saucers at first, Ed Wood should have used this technique rather than paper plates
