Showtime Sets Premiere Dates for Shameless and More. Aug 7, 2017 8:45 PM EDT. Showtime has set the premiere dates for its fall comedies. Shameless will return for its eighth season on Sunday, Nov. 5 at 9/8c. The season will find Frank (William H. Macy) trying to be a contributing member of society and Fiona (Emmy Rossum) discoâ¦ Read more.
Making the world better, one answer at a time. The f on a camera lens is the maximum aperture of the lens. It is sometimes listed as 1:X with X being the maximum aperture.
Report Abuse. 100-300mm refers to the focal length of the lens, in this case it's a varibale focal length lens or, more commonly, a zoom lens. Focal length is the distance from the optical center of the lens to the focal point (or the point of focus). On a camera the focal point is the film plane or the digital sensor.