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.
AF is a generic industry-wide designation for auto focus. EF is Canon's designation for the lens mount on all EOS series cameras---you're 10D. and 20D (as well as a whole slew of 35mm film cameras) have the EF mount. EF-S is a variation of the EF mount---it's specific to newer digital cameras with the. APS-sized sensor.