From new thread recently opened by Don (thanks @webrunner5) I found this interesting release: https://www.43rumors.com/kamlan-announced-two-new-mft-lenses-50mm-f-1-1-and-28mm-f-1-8/ https://www.sainsonic.com/collections/manual-prime-lens/products/zonlai-22mm-f1-8-large-aperture-manual-focus-lens-prime-lens https://www.sainsonic.com/collections/manual-prime-lens/products/kamlan-28mm-f-1-4-standard-prime-lens https://www.sainsonic.com/collections/manual-prime-lens/products/kaml