The Taiwanese lens maker Machang Optics has announced the Kamlan 50mm f/1.1 Mark II lens, a followup to the popular first version of the lens that provided photographers with an affordable option for achieving an ultra shallow depth of field and beautiful bokeh. Machang Optics says its primary goal is “providing cost-effective large aperture lenses with high quality for every shutterbug and letting everyone enjoy the fantasy of large aperture lenses.” After hearing customer feedback regarding its first Kalman 50mm…