Another anamorphic lens for Micro Four Thirds is available from VZ Lens. The VAZEN 28mm T2.2, like the 40mm T/2 released last summer, offers a 1.8x compression factor, so the resulting aspect ratio is 2.39:1.
However, with 720g this optic is much lighter and also more compact. The front diameter is 80mm. The minimum focusing distance is 82cm. In terms of price, this lens also ends up at 3,250 dollars again.
The following clip was taken with the Zcam E2 and the Vazen 28mm: