The best replacement for af is af-s.

The best alternatives to af are rated as following:
★★★★★  af-s
★★★★  mf
★★  implantation
★★  af-s nikon
★★  ef
★★  implantation bleeding
★  ib
★  bfp
★  aa
★  ef lens
★  sp
★  af s
★  implantation cramps
★  sp corsair
★  betapace
★  at poe
★  spotting
★  sotalol
  bfp symptoms
  vr lens
  pregnancy cramps
  ef lenses
  svt
  af s lens
  afs nikon lens
  af-s lenses
  ef canon
  implantation spotting
  afs lens
  afs
  af-s lens
  lamisil at

Your alternative for af is not listed? Suggest!
Speaking about af, one probably shouldn't forget about wpw.

Other search terms related to af and their ratings are:
★★★★★ wpw
★★★★ lbbb
★★ bfp
★ chb
★ high temps
★ wpw syndrome
You have in mind a companion for af and it is not yet here? Propose!



Google Trends

Scale is based on the average worldwide traffic of af in all years. Click on graph for more.
af
af-s
mf