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.
FD and EF are the lens mount types. FD was Canon's older lens mount style, used on cameras like the F-1 and AE-1 (among many others). FD is not known to stand for anything. EF is the newer lens mount, introduced with the Canon EOS cameras in 1987. EF stands for Electro-Focus. Your Rebel XTi has an EF-S lens mount.