While the magnification factor remains constant, the area magnified by the lens (and thus the size of the lens) can be enlarged or made smaller.
(the magnification factor; remains; constant) (the area; magnified; by the lens (and thus the size of the lens) (the area magnified by the lens (and thus the size of the lens); can be enlarged; )
the magnification factor the area the area magnified by the lens (and thus the size of the lens)
remains magnified can be enlarged
constant
by the lens (and thus the size of the lens