How much did a microscope cost in the 1830s and 1840s?

In her 1987 evaluation of the history of Schleiden and Schwann's cell theory, the late Ilse Jahn pointed out that in Berlin in the 1830s and 1840s there were a lot of scientists using advanced microscopes, many of whom were clustered around the Gesellschaft naturforschender Freunde zu Berlin. So how much did their microscopes cost? And why was this important in the history of biology?