The Blues scored inside ten minutes through Fernando Torres at the Turk Telekom Arena before Aurelien Chedjou equalised for the Istanbul giants with 25 minutes remaining in the contest.
However, Lampard felt it could have been a different story if the west London club were able to express their dominance by scoring more goals in the opening 45 minutes.
"We were disappointed at half-time we weren't more than 1-0 up because we played well, we controlled it," he told Sky Sports after experiencing a passionate Cimbom crowd in Istanbul.
"They didn't have many chances and we had four or five good counter-attacks and we're disappointed we didn't make more of them.
"Certainly the crowd (played a part), I don't know about the tactics because you always expect them to have a period, and they had a big period in the second half."
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