Extending its winning streak to six games, Florida State (8-1) finished the non-conference portion of its schedule to secure its best start since opening the 2003-04 season with 10 consecutive victories.
Campbell (3-6) closed an early 21-point deficit to 36-25 on Maurice Latham's driving layup with 3:52 to play in the half.
The Seminoles countered by scoring the final 11 points of the first half for a 51-27 lead. The closing run included a pair of free throws from Ralph Mims that established a new school record of 33 consecutive free throws made. Jim Oler held the previous record of 31 consecutive free throws made, set during the 1953-54 season.
Al Thornton and Mims contributed 11 points each for Florida State, while Todd Galloway, Jason Rich and Casaan Breeden finished with 10 each.
Johnson had six points as the Seminoles ran off 14 unanswered points in a three-minute stretch to start the second half.
Latham led the Fighting Camels with 19 points.
The Seminoles are idle until Dec. 31, when they take on Nebraska (9-2) in the Orange Bowl Classic at Sunrise, Fla.
Thursday's win was the Seminoles' highest-scoring victory since a 108-84 win over Jacksonville on Dec. 14, 1996.
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