BE58 LNDG RWY 28L AT CMH; FOCUSED ON LOCATING TFC; DRIFTED FROM THE INBOUND TRACK CLRNC RESTR.

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ON DSCNT INTO CMH; I WAS BEING VECTORED FOR A VISUAL APCH TO RWY 28L. DUE TO THE HAZE; SOME ACFT WERE FLYING THE ILS TO RWY 28R OR THE GPS TO RWY 28L DUE TO THE ILS BEING OTS TO RWY 28L. THE APCH CTLR VECTORED ME BEHIND A KING AIR ON THE GPS APCH TO RWY 28L. I RPTED THE ARPT IN SIGHT AND THE CTLR VECTORED ME A LITTLE FURTHER OUT FOR SPACING BEHIND THE KING AIR. A FEW MINS LATER; THE CTLR CALLED THE KING AIR AT MY 12 O'CLOCK POS AND 3 MI. I STATED THAT I WAS LOOKING FOR THE TFC; AND THEN THE CTLR ASKED MY AIRSPD. I TOLD HIM I WAS DOING 165 KTS. THE CTLR INSTRUCTED ME TO SLOW TO 150 KTS AND THAT I WAS CLRED FOR THE VISUAL APCH TO RWY 28L BEHIND THE KING AIR; TO REMAIN S OF THE FINAL FOR RWY 28R. AS I CONTINUED TOWARD THE ARPT; I CONTINUED TO SCAN FOR THE KING AIR WHILE I CONFIGURED THE ACFT FOR THE LNDG. AS I WAS OCCUPIED WITH THIS; I ALLOWED THE ACFT TO DRIFT TO THE N INTO THE FINAL FOR RWY 28R. THE CTLR AGAIN REMINDED ME TO STAY S OF THE FINAL FOR RWY 28R. I IMMEDIATELY BEGAN A TURN TOWARD THE S TO LINE UP WITH RWY 28L. APCH WAS CONTINUED TO AN UNEVENTFUL LNDG. THIS SIT DEVELOPED DUE TO MY INATTN TO MY ACFT'S FLT PATH WHILE I WAS PREOCCUPIED WITH LOOKING FOR THE TFC AND CONFIGURING THE ACFT FOR THE LNDG. IN THE FUTURE; I WILL PAY MORE ATTN TO MY ACFT'S FLT PATH AND PAY MORE ATTN TO DIVIDING MY ATTN.