The best replacement for fs700 is c100.

The best alternatives to fs700 are rated as following:
★★★★★  c100
★★★★  c300
★★★★  f5
★★★★  fs100
★★★  f3
★★  c500
★  red epic
★  red scarlet
★  f55
★  blackmagic 4k
★  scarlet
★  blackmagic cinema camera
★  af100
  pmw 200
  canon c100

Your alternative for fs700 is not listed? Suggest!
Speaking about fs700, one probably shouldn't forget about speedbooster.

Other search terms related to fs700 and their ratings are:
★★★★★ speedbooster
★ atomos samurai
You have in mind a companion for fs700 and it is not yet here? Propose!



Google Trends

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fs700
c100
c300