Film Cyfrowy have released a few tests showing off the Samyang XEEN lens in action and the characteristics of the glasses bokeh, sharpness, and breathing.
Red light ditortion is a issue in camera. Not the lens.
Shot on Sony FS7 in 4K.
You can download in full resolution from Film Cyfrowy’s Vimeo.
Samyang Xeen 24mm, 50mm, 85mm.
Tiffen ND 0.9