7Artisans has launched four fast prime lenses for different mirrorless and Micro Four Thirds cameras. They are available for Fuji, Leica, MFT, and Sony cameras, and the prices start at only $70. The fastest among them is f/1.1, and still, it costs only $369.
The selection of lenses includes 50mm f/1.1, 35mm f/2, 25mm f/1.8 and fisheye 7.5mm f/2.8. Three of them were made for full-frame cameras, but they can be used on crop bodies as well. The fisheye is intended for APS-C cameras only. So, if you need a fast, yet really affordable lens, you should check them out.