“But if he is poor and cannot afford so much, then he shall take one male lamb for a guilt offering to be waved, to make atonement for him, and a tenth of an ephah of fine flour mixed with oil for a grain offering, and a log of oil;
We have here the gracious provision which the law made for the cleansing of poor lepers. If they were not able to bring three lambs, and three tenth-deals of flour, they must bring one lamb, and one tenth-deal of flour, and, instead of the other two lambs, two turtle-doves or two young pigeons, Lev 14:21, Lev 14:22. Here see, 1.
Commenting on Leviticus 14:21-32
And if he be poor, and cannot get so much,.... As three lambs, and three tenth deals of fine flour: then he shall take one lamb for a trespass offering to be waved, to make an atonement for him; one he lamb, and was excused the other he lamb for a burnt offering, and the ewe lamb for a sin offering; but a lamb he...
if he be poor, and cannot get so much; then he shall take one lamb--a kind and considerate provision for an extension of the privilege to lepers of the poorer class. The blood of their smaller offering was to be applied in the same process of purification and they were as publicly and completely cleansed as those who brought a costlier offering (Act 10:34).