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.
The size of an aperture in a lens can either be fixed (like most compact cameras) or adjustable (like an SLR camera). Aperture size is usually calibrated in f-numbers or f-stops, i.e. those little numbers engraved on the lens barrel, e.g. f/22, f/16, f/11, f/8.0, f/5.6, f/4.0, f/2.8, f/2.0, f/1.8 etc.