Here's a hands-on review of the Olympus 45mm F1.2 PRO lens during the announcement event in Singapore. It is one remarkable lens!
https://redtealongan.com/2017/11/05/olympus-45mm-f1-2-pro-lens-hands-on/
https://redtealongan.com/2017/11/05/olympus-45mm-f1-2-pro-lens-hands-on/