Nikon has been aggressively marketing the internal diameter of the Z mount as being 17% larger than the Nikon F mount, and the larger mount allows more flexibility in the optical design of the Z lenses like their newest 58mm f/0.95 lens.
In this article, I won’t be testing on the 58mm f/0.95 as I’m not really a fan of manual focus. We’ll be taking a look into how the new Nikon 50mm f/1.2 lens holds up against the popular 3rd-party Sigma 50mm f/1.4 Art lens.
Some basic introduction of the Sigma 50mm Art: Sigma has in recent years been developing some impressive lenses that are tack-sharp wide open. Apart from their bad reputation in the past for bad glass coating (that caused chromatic aberration) and front/back focus issue, they have been doing really well since the release of their Art series — they successfully developed lenses that could achieve