These tribes, Ephraim, Benjamin, and Manasseh, are probably put for all Israel. As if the church begged that Christ's favor to his people should be as conspicuous, as the pillar of cloud had been in the camp before all Israel.
Related Commentaries of Psalms 80:2
Psalms 80:2-3
2 Before Ephraim and Benjamin and Manasseh stir up thy strength, and comea and save us.
3 Turn us again, O God, and cause thy face to shine; and we shall be saved.