SainSonic has announced a new manual focus lens for APS-C cameras. It's called the Kamlan 50mm F/1.1 Manual Focus lens. It's offered in Sony E-Mount, Canon EOS M mounts, Fujifilm X mount and Micro Four Thirds Mount.
The lens has a claimed 11 circular aperture blades (claimed, because if you were to count the blades in the above mockup, you'd wind up with 9), and a fairly pedestrian five elements in five groups, though there's talk of high quality element coatings.
You can snag a Kamlan 50mm F1.1 today for the very reasonable price of 169.99 USD!
For more images and details regarding to the lens, head on over to Kamlan Page. For some samples from the lens and comparative tests, check out Christopher Frost's video review on YouTube: